Andrew M. Sarangan - Nano-Fab
4/7/2015 Andrew M. Sarangan, PhD, PE Professor & Associate Director Electro-Optics Graduate Program University of Dayton Dayton OH 45469 Tel: (937) 229-3190 or 229-1037 Citizenship: USA & Canada Registered Professional Engineer: 77353 (Ohio) Commercial pilot & Flight Instructor Marital status: married Children: one Email: [email protected] http://homepages.udayton.edu/~asarangan1 RESEARCH PHILOSOPHY I am guided by the philosphy that truly useful innovation can only come after mastery of the art using all physical and intuitive senses. Far too much of science today is done while sitting at a desk without achieving mastery of the senses. I believe in the ancient practice of master-apprenticeship method of training, complelety opposite of the current trends in massive open courses. I practise a holistic approach to engineering research, which extends from theory and design to fabrication and commercialization. I strive to produce work that could improve peoples lives instead of simply adding to the archive of scientific knowledge that never gets used. TEACHING & MENTORING PHILOSOPHY I consider mentoring to be my most important academic job. I go beyond simply advising students on their study and research. I attempt to motivate them and keep them energized by involving them in industry visits, grant proposals, conference travel and counseling. I encourage student initiatives, and support their endeavors. EDUCATION Ph.D, Electrical & Computer Engineering, University of Waterloo (Canada), 1997. Thesis: Multi-Wavelength Distributed Feedback Lasers Advisor: W.-P. Huang M.A.Sc, Electrical & Computer Engineering, University of Waterloo, 1994. Thesis: An electronic switch based on quantum interference Advisor: W.-P. Huang B.A.Sc (Hons), Electrical & Computer Engineering (Physics Option), University of Waterloo, 1991. EXPERIENCE 08/00-present Electro-Optics Graduate Program, University of Dayton, OH. Professor & Assoc. Director (08/11-present) Associate Professor (08/06-08/11) Assistant Professor (08/00-08/06) Received over $3 million in external funding (as PI) 1 4/7/2015 Designed and built a class 100 nanofabrication laboratory with my own research funds. Currently, I personally maintain the day-to-day operations of the lab, consisting of advanced thin films, photo-lithography, wafer bonding, DUV laser lithography and etching equipment. Successfully transitioned several infrared technologies to commercialization. Research areas: micro & nano-fabrication, optical thin films, photodetectors & image sensors, semiconductor lasers, computational electromagnetics. Teaching areas: Graduate courses in Nano-Fabrication, Integrated Optics, Quantum Electronics, Nano-photonics, Thin Film Engineering, Optoelectronic Devices. Undergraduate courses in Nanotechnology and Electronic Circuits. 01/97-06/00 Research Assistant Professor, EECE & Center for High Technology Materials. University of New Mexico, Albuquerque, NM. Developed the first theoretical model and performed the first comprehensive experimental study on the -DFB high-power semiconductor laser. Taught senior undergraduate courses in optoelectronics. 01/99-06/00 Research Scientist, Directed Energy Directorate, AFRL, Kirtland AFB, NM. Research and development of grating surface-emitting lasers. 01/94-11/96 Research Scientist, Advanced Technology Laboratory, Nortel Ltd, Ottawa, Canada. Designed and developed the first 16-wavelength DFB laser array for D-WDM. Formulated a spectral domain computational technique for modeling DFB lasers. Developed an Optical Spice simulation platform. PROFESSIONAL SOCIETIES Senior Member, IEEE, Lasers and Electro-Optics Society, Electron Devices Society Member, SPIE Member, OSA AWARDS AND HONORS 2013 Faculty Excellence in Teaching Awards – Southwestern Ohio Council for Higher Education 2013 Affiliate Societies Council Outstanding Scientists & Engineers Award – Research category, Dayton, OH 2008 Sigma Xi Noland Award for Excellence in Research, University of Dayton AFOSR Summer Faculty Fellowship (2001 & 2002) for research at Air Force Research Laboratory, Wright-Patterson AFB on surface emitting lasers. Post-Doctoral Fellowship for Research in Optoelectronics (1997 &1998) - Natural Sciences and Engineering Research Council (NSERC) of Canada. This is a prestigious two-year award. Only 14 were awarded in all of Canada in Electrical Engineering, and I was the only recipient at the Engineering School at Waterloo. TRIO (Telecommunications Research Institute of Ontario) Internship award (1995-1997). Post-Graduate Scholarship, NSERC of Canada (1991-1995). Full scholarship for MS & PhD. Institute for Computer Research Graduate Awards (Univ. of Waterloo, 1991-1992). Faculty of Engineering Awards for Academic Excellence (Univ. of Waterloo, 1992-1995). 2 4/7/2015 Awards based on research performance. I received three awards (maximum limit). Undergraduate Dean's Honors Awards (Univ. of Waterloo, 1986-1991). Awards based on academic performance. I received three awards over four years. GRADUATE STUDENTS Current Ph.D. students: Chuan Ni, Josh Duran, Pengfei Guo, Saleimah Alyammahi, Xiaoxu Niu , Jamshid Moradmand Current M.S. students: Mengyang Zou, Ying Xu, Shen Yangfei. Past students: Junxin Wang (MS, 2014), Chuan Ni (MS, 2014), Emily Fehrman (PhD, 2014), Jian Gao (PhD, 2012), Piyush Shah (PhD – WSU, 2012), Yu Wang (MS, 2012), Alex Watson (MS, 2011), Josh Duran (MS, 2011), Zhi Wu (PhD, 2011), Ben Booso (MS, 2010), Lirong Sun (PhD, 2009), Adam Cooney (PhD, 2009), Jian Gao (MS, 2008), Anupriya Krishnan (MS, 2008), Agus Widjaja (PhD, 2008), Zhi Wu (MS, 2008), Mengshu Pan (MS, 2008), Emily Fehrman (MS, 2007), Aziz Mahfoud (PhD, 2006), Jang-Pyo Kim (PhD, 2006), Cijy Sunny (MS, 2005), Sreelakshmi Talluri (MS, 2005), Saikiran Tiramareddy (MS, 2004), Sarah Blickenstaff (MS, 2004), Luke Borntrager (MS, 2004). Past Postdocs: Dr. Jian Gao, Dr. Jang-Pyo Kim, Dr. Aziz Mahfoud PROFESSIONAL ACTIVITIES Technical Society Leadership & Conference Organization Technical program committee of IEEE Photonics Society on Photodetectors, Sensors, Systems and Imaging (since 2010) Technical Program Chair of the International Symp. on Photonics and Optoelectronics (SOPO), Beijing, China 2013. Chair of the Nanotechnology Conference in the SPIE Great Lakes Photonics Symposium, Dayton, OH, 2006. Co-chair of the Nanotechnology Conference in the Great Lakes Photonics Symposium, Cleveland, OH, 2004. Chair of the IEEE/Photonics Society chapter of Dayton, OH (since 2002) Reviewer for National Science Foundation (NSF) Natural Sciences and Engineering Research Council (NSERC) of Canada A large number of IEEE, OSA, SPIE, APS journals. LIGHTS Online Photonic Simulation Suite I developed a suite of photonic simulation tools (BPM, Modesolver, FDTD, TMM) that can be accessed over the Internet and remotely executed. This is a unique effort that has attracted several hundred users from around the world. This suite has been used for teaching as well as research. Accessible from: http://www.nano-fab.com 3 4/7/2015 Public Appearances Featured on local television stations and newspapers during State Governor Bob Taft’s visit to the University of Dayton for the Wright Project award presentation. Delivered the feature presentation during award ceremony. Aviation Commercial pilot, Certificated Flight Instructor & Instrument Instructor Part-time faculty with Aviation Technology Program at Sinclair Community College, Dayton, OH (07/2001-2014) Developed ground and flight courses for primary training and instrument rating Accessible from http://www.sarangan.org/aviation/ EXTERNALLY FUNDED RESEARCH 1/14-12/15 1/14-12/15 12/13-11/15 09/13-08/16 01/12-12/14 10/12-09/13 09/12-04/13 06/11-01/12 04/11-10/13 08/10-12/10 08/10-08/13 08/10-12/12 04/09-08/10 04/09-03/11 07/09-06/10 04/08-10/10 01/09-10/09 “Interferometric Lithography and Substrate Patterning/Epitaxy for Nonlinear Quasi-PhaseMatched Device Development”, PI, Air Force Research Laboratory, $368,505. “Antireflection coatings”, PI, UES Inc., $20,000. “CC-NIE Network Infrastructure: Network 10Gb Upgrade and Science DMZ Implementation to Support Science and Engineering Research and Enhance Outreach for High School STEM Education”, Co-PI, National Science Foundation, $232,788. Award #1340932. “CCSS: Spectral Filter Array for Multispectral Imaging”, Co-PI, National Science Foundation, $319,952. Award #1307904. “Collaborative Research: Cross-institutional Nano-technology Education and Workforce Training Project”, PI, National Science Foundation, $100,000. Award #1138165. “Electrochromic glass research and development”, Co-PI, China Southern Glass Holding Co. Ltd, $175,000. “Development of metal vapor coating & blue-enhanced detectors for medical imaging”, PI, FMI Imaging, $30,800. “Rapid thermal annealer for blue enhanced detector development”, PI, FMI Imaging, $44,300. “Infrared Coatings for Laser Effects on Materials, Structures and Sensors”, PI, UES Inc., $39,000. “Dual Well Focal Plane Array”, PI, Navy SBIR Phase 1 (Sub contract through Forza Silicon), $19,536. "Project Biosense", PI, Air Force Research Laboratory, $175,000. "Mid-Wave Infrared Sensing Technology Advancement (MISTA)", PI, Air Force Research Laboratory, $99,989. "Development of Mini-Cluster Computational Facility For Modeling Large Mode Area Fibers", PI, DARPA (Subcontract through Univ of Rochester), $45,200. "Beam Steering SBIR Phase II”, PI, Missile Defense Agency (Subcontract through Aegis Technologies Group), $33,121. "Development of Spectral and Polarimetric Devices for Lenslet Imaging”, PI, L3 Cincinnati Electronics, $34,158. “Anti-reflection coatings”, PI, Air Force Research Laboratory (Subcontract through General Dynamics Information Technology), $44,600. “Development of Advanced Infrared Detectors”, PI, Air Force Research Laboratory, $78,016 4 4/7/2015 02/07-01/10 07/09-06/10 04/06-12/07 04/06-12/06 10/05-04/06 05/05-12/05 05/05-04/06 01/05-03/09 09/04-12/08 09/03-08/06 07/03-01/04 10/08-09/11 07/02-12/02 07/03-03/04 07/01–06/04 “Polarimetric Imaging Technology”, PI, Institute for the Development and Commercialization of Advanced Sensors Technology - IDCAST, $200,000. "Fabrication of MWIR Micro-lenslet imaging arrays", PI, Institute for the Development and Commercialization of Advanced Sensors Technology – IDCAST OSCAR Project, $24,530. “Multispectral/Polarimetric Imaging Camera Program”, PI, Air Force Research Laboratory (Subcontract through L3 - Cincinnati Electronics), $202,000. “Multi Color IR FPA Utilizing Low Cost 2D Pixel Architecture”, PI, Office of Naval Research (Subcontract through L3 - Cincinnati Electronics), $37,000. “Large Area Micro-Optics”, PI, Mantech, (Subcontract through L3 - Cincinnati Electronics), $25,000. “Quantum Cascade Lasers”, PI, Air Force Research Laboratory, $18,000. “C-QWIP Based IR Detectors”, PI, Missile Defense Agency, (Subcontract through L3 - Cincinnati Electronics), $45,598. “Development and Commercialization of Long-wavelength Infrared Focal Plane Arrays”, PI, Ohio Third Frontier Wright Project, Awarded in person by Ohio Governor Bob Taft on 12/06/04, $1,092,800. “Micro-optic IR FPA Project”, PI, L3-Cincinnati Electronics, $126,727. “Development of Arrayed micro-optic elements for enhanced infrared image detection”, PI, Wright Capital Project Fund, Awarded in person by Ohio Governor Bob Taft on 06/05/03, $773,589. “Silicon-Based Visible/Near-Infrared Affordable Missile Warning”, PI, Navy Research Lab/STTR Phase I (Subcontract through Defense Research Associates), $17,644. “Interdisciplinary Technology Development for Future MAV Systems”, Co-PI, Air Force Research Laboratory, $1,506,500. “Photonic Band Gap Waveguide Structures in Lithium Niobate”, Co-PI, National Science Foundation/SBIR Phase I (Subcontract through Srico Inc), $19,714. “Biosensors based on photonic crystal surface sensitivity”, Co-PI, Ohio Board of Regents Research Challenge Grant, $26,000. “Measurement and Modeling of Aero-Optical Aberrations in Coherent Laser Radiation”, Co-PI, Air Force Research Lab/DAGSI, $66,660. PUBLICATIONS & PATENTS Journal Articles 1. Alessandro Belardini, Marco Centini, Grigore Leahu, Eugenio Fazio, Concita Sibilia, Joseph W. Haus and Andrew Sarangan, “Second harmonic generation on self-assembled tilted gold nanowires, Faraday Discussions, 2015. http://dx.doi.org/10.1039/C4FD00200H 2. Long Wang, Peter E. Powers, Andrew Sarangan, Joseph W. Haus, “Image revivals in multi-mode optical fibers with periodic multiple sub-apertures”, Optics Communications, Volume 326, Pages 57–63, 2014. http://dx.doi.org/10.1016/j.optcom.2014.04.022 3. Michael Benson, Piyush Shah, Michael Marciniak, Andrew M. Sarangan and Augustine Urbas, “Optical characterization of silver-nanorod thin films grown using oblique angle deposition” Journal of Nanomaterials, vol. 2014, Article ID 694982, 8 pages, 2014. http://dx.doi.org/10.1155/2014/694982 5 4. 4/7/2015 Piyush Shah, Dongquan Ju, Xiaoxu Niu, and Andrew M. Sarangan, “Vapor Phase Sensing Using Metal Nanorod Thin Films Grown by Cryogenic Oblique Angle Deposition”, Journal of Sensors, Volume 2013 (2013), Article ID 823041 http://dx.doi.org/10.1155/2013/823041 5. Emily M. Fehrman Cory, Roberto S. Aga, Jr., Jack P. Lombardi, III, Carrie M. Bartsch, Andrew Sarangan, Emily M. Heckman, “Nanoimprint lithography of deoxyribonucleic acid biopolymer films”, J. Micro/Nanolith. MEMS MOEMS. 12(4), 040501 (Dec 16, 2013). http://dx.doi.org/10.1117/1.JMM.12.4.040501 6. Susan Derenko, René Kullock, Zhi Wu, Andrew Sarangan, Christiane Schuster, Lukas M. Eng, and Thomas Härtling, “Local photochemical plasmon mode tuning in metal nanoparticle arrays”, Optical Materials Express, Vol. 3, Issue 6, pp. 794-805 (2013) http://dx.doi.org/10.1364/OME.3.000794 7. Piyush J. Shah, Zhi Wu, Andrew M. Sarangan, “Effects of CO2 critical point drying on nanostructured SiO2 thin films after liquid exposure”, Thin Solid Films, Volume 527, 1 January 2013, Pages 344-348 http://dx.doi.org/10.1016/j.tsf.2012.10.057 8. Piyush J. Shah, Xiaoxu Niu, Andrew M. Sarangan, “High aspect ratio silver nanorod thin films grown at cryogenic substrate temperature”, J. Nanosci. Lett., 3: 19 (2012) http://www.simplex-academic-publishers.com/jnl.aspx?p=109637276 9. Jian Gao, Andrew M. Sarangan, and Qiwen Zhan, "Polarization multiplexed fluorescence enhancer using a pixelated one-dimensional photonic band gap structure", Opt. Lett., 37, 2640-2642 (2012) http://dx.doi.org/10.1364/OL.37.002640 10. Xiaoxu Niu, Paul T. Murray and Andrew Sarangan, “Synthesis of Fe–Ni bimetallic nanoparticles from pixel target ablation: plume dynamics and surface characterization”, Journal of Nanoparticle Research, Volume 14, Number 8 (2012) http://dx.doi.org/10.1007/s11051-012-1017-z 11. G. Nehmetallah, R. Aylo, P. Powers, A. Sarangan, J. Gao, H. Li, A. Achari, and P. P. Banerjee , “Co-sputtered SiC + Ag nanomixtures as visible wavelength negative index metamaterials”, Opt. Express 20, 7095-7100 (2012) http://dx.doi.org/10.1364/OE.20.007095 12. R.C.G. Smith, A.M. Sarangan, Z. Jiang, J R. Marciante, "Direct measurement of bend-induced mode deformation in large-mode-area fibers," Opt. Express, 20, 4436-4443 (2012) http://dx.doi.org/10.1364/OE.20.004436 13. Jian Gao, Andrew M. Sarangan, Qiwen Zhan, "Experimental confirmation of strong fluorescence enhancement using one-dimensional GaP/SiO2 photonic band gap structure," Opt. Mater. Express, 1, 1216-1223 (2011) http://dx.doi.org/10.1364/OME.1.001216 14. Jian Gao, Qiwen Zhan, Andrew Sarangan, “High-index low-loss gallium phosphide thin films fabricated by radio frequency magnetron sputtering”, Thin Solid Films, Volume 519, Issue 16, Pages 5424-5428, 2011. http://dx.doi.org/10.1016/j.tsf.2011.02.068 15. Nkorni Katte, Joseph W. Haus, Peter Powers, Andrew Sarangan, Jian Gao, and Michael Scalora, "Third-order nonlinear optical properties of metallodielectric stacks," J. Opt. Soc. Am. B, 28, 22772283 (2011) 6 4/7/2015 http://dx.doi.org/10.1364/JOSAB.28.002277 16. Lirong Sun and Andrew Sarangan, "Fabrication of sloped sidewalls by inductively coupled plasma etching for silicon micro-optic structures", J. Micro/Nanolith. MEMS MOEMS 10, 023006 (Apr 29, 2011) http://dx.doi.org/10.1117/1.3574136 17. Adam Cooney, Andrew Sarangan, “Real-Time Modeling of Quantum Cascade Laser Operation Using Linear Combinations of Intrawell Properties”, Journal of Computational Electronics, Volume 9, Number 1, pp. 8-15, 2010. http://dx.doi.org/10.1007/s10825-009-0290-2 18. D. Schmidt, B. Booso, T. Hofmann, E. Schubert, A. Sarangan, M. Schubert, "Generalized ellipsometry for monoclinic absorbing materials: determination of optical constants of Cr columnar thin films", Opt. Lett., 34, 992-994 (2009). http://dx.doi.org/10.1364/OL.34.000992 19. Daniel Schmidt, Benjamin Booso, Tino Hofmann, Eva Schubert, Andrew Sarangan, Mathias Schubert, “Monoclinic optical constants, birefringence, and dichroism of slanted titanium nanocolumns determined by generalized ellipsometry”, Applied Physics Letters, 94, 011914, 2009. http://dx.doi.org/10.1063/1.3062996 20. Zhi Wu, Peter E. Powers, Andrew M. Sarangan, Qiwen Zhan, "Optical characterization of wiregrid micropolarizers designed for infrared imaging polarimetry," Opt. Lett., 33, 1653-1655 (2008). http://dx.doi.org/10.1364/OL.33.001653 21. Aziz Mahfoud Familia, Andrew Sarangan, “Threshold gain analysis of second order distributed feedback lasers based on [2-methoxy-5-(2′-ethylhexyloxy)-1,4-phenylenevinylene]”, Optics Communications, vol. 281, no. 2, pp. 310-318, 2008. http://dx.doi.org/10.1016/j.optcom.2007.09.022 22. Aziz M. Familia, Andrew Sarangan, Thomas R. Nelson, "Gas to crystal Effect on the Spectral Line Narrowing of MEH-PPV," Opt. Express, 15, 8231-8236 (2007). http://dx.doi.org/10.1364/OE.15.008231 23. Jang Pyo Kim, Andrew M. Sarangan, "Temperature-dependent Sellmeier equation for the refractive index of AlxGa1−xAs", Opt. Lett., 32, 536-538 (2007). http://dx.doi.org/10.1364/OL.32.000536 24. Jang Pyo Kim, Andrew M. Sarangan, "Design and simulation of resonant cavity enhanced corrugated quantum well infrared photodetectors," Appl. Opt., 45, 6065-6070 (2006). http://dx.doi.org/10.1364/AO.45.006065 25. Aziz Mahfoud, Andrew Sarangan, Thomas R. Nelson, Elmo A. Blubaugh, “Role of aggregation in the photoluminescent and amplified spontaneous emission of [2- metroxy-5-(2'-ethylhexyloxy)-1,4phenylenevinylene] in solution and films”, Journal of Luminescence. vol. 118, pp. 123-130, 2006. http://dx.doi.org/10.1016/j.jlumin.2005.08.012 26. Sarah B. Blickenstaff, Andrew M. Sarangan, Thomas R. Nelson, Kevin D. Leedy, Donald L. Agresta, "Influence of shadow mask design and deposition methods on nonplanar dielectric material deposition", J. Microlith., Microfab., Microsyst. 4, 023015 (Apr. 22, 2005). http://dx.doi.org/10.1117/1.1897381 7 27. 4/7/2015 Aziz Mahfoud Familia, Andrew Sarangan, Thomas Nelson, "Optically pumped photonic crystal polymer lasers based on [2-methoxy-5-(2'-ethylhexyloxy)- 1,4-phenylenevinylene]," Opt. Express, 13, 3136-3143 (2005). http://dx.doi.org/10.1364/OPEX.13.003136 28. Jang Pyo Kim, Andrew Sarangan, "Simulation of resonant cavity enhanced (RCE) photodetectors using the finite difference time domain (FDTD) method," Opt. Express 12, 4829-4834 (2004). http://dx.doi.org/10.1364/OPEX.12.004829 29. Andrew M. Sarangan, Greg M. Peake, “Enhancement of lateral mode discrimination in broad-area VCSELs using curved Bragg mirrors," Journal of Lightwave Technology, vol.22, no.2, pp. 543- 549, Feb. 2004. http://dx.doi.org/10.1109/JLT.2004.824378 30. G.M. Peake, L. Zhang, N.Y. Li, A.M. Sarangan, C.G. Willison, R.J. Shul, S.D. Hersee, “A micromachined, shadow-mask technology for the OMVPE fabrication of integrated optical structures”, Journal of Electronic Materials, vol.29, no.1, pp.86-90, 2000. http://dx.doi.org/10.1007/s11664-000-0100-x 31. A.M. Sarangan, M. Wright, J. Marciante, D. Bossert, "Spectral properties of angled-grating highpower semiconductor lasers," IEEE Journal of Quantum Electronics, vol.35, no.8, pp.1220-1230, Aug 1999. http://dx.doi.org/10.1109/3.777224 32. G.M. Peake, L. Zhang, N.Y. Li, A.M. Sarangan, R.J. Shul, S.D. Hersee, "Micromachined, reusable shadow mask for integrated optical elements grown by metalorganic chemical vapor deposition", Journal of Vacuum Science and Technology, vol.17, no.5, pp.2070-2073, 1999. http://dx.doi.org/10.1116/1.590874 33. A.M. Sarangan, W.-P. Huang, T. Makino, G.P. Li, "Wavelength control in DFB laser arrays by tilting the ridge with respect to the gratings," IEEE Photonics Technology Letters, vol.8, no.11, pp.1435-1437, Nov. 1996. http://dx.doi.org/10.1109/68.541541 34. A.M. Sarangan, W.-P. Huang, T. Makino, G.P. Li, "Dynamic single-transverse-mode properties of varying ridge width DFB laser arrays," IEEE Photonics Technology Letters, vol.8, no.10, pp.13051307, Oct. 1996. http://dx.doi.org/10.1109/68.536636 35. G.P. Li, T. Makino, A. Sarangan, W.P. Huang, "16-wavelength gain-coupled DFB laser array with fine tunability" IEEE Photonics Technology Letters, vol.8, no.1, pp.22-24, Jan. 1996. http://dx.doi.org/10.1109/68.475765 36. A.M. Sarangan, W.P. Huang, G.P. Li, T. Makino, " "Selection of transverse oscillation modes in tilted ridge DFB lasers" Journal of Lightwave Technology, vol.14, no.8, pp.1853-1858, Aug 1996. http://dx.doi.org/10.1109/50.532023 37. A.M. Sarangan, W.-P. Huang, G.P. Li, T. Makino, "A ridge waveguide DFB laser model including transverse carrier and optical effects" IEEE Journal of Quantum Electronics, vol.32, no.3, pp.408416, Mar 1996. http://dx.doi.org/10.1109/3.485391 38. A.M. Sarangan, W.P. Huang, "A higher order electron wave propagation method" IEEE Journal of Quantum Electronics, vol.31, no.6, pp.1107-1113, Jun 1995. http://dx.doi.org/10.1109/3.387049 8 39. 4/7/2015 A.M. Sarangan, W.P. Huang, "A coupled mode theory for electron wave directional couplers" IEEE Journal of Quantum Electronics, vol.30, no.12, pp.2803-2810, Dec 1994. http://dx.doi.org/10.1109/3.362729 Book chapters 40. A. Sarangan, "Quantum Mechanics and Computation in Nanophotonics", Fundamentals and Applications of Nanophotonics, Editor: J.W. Haus, Woodhead publishing (Elsevier), In Press. 41. A. Sarangan, "Nanofabriaction", Fundamentals and Applications of Nanophotonics, Editor: J.W. Haus, Woodhead publishing (Elsevier), In Press. Patents (Licensed) 42. G.P. Li, T. Makino, A. Sarangan and W.P. Huang, "Multi-Wavelength Gain-Coupled Distributed Feedback Laser Arrays with Fine Tunability", U.S. Patent No. 5536085, 1996. http://www.google.com/patents/US5536085 43. Gregory M. Peake, Stephen D. Hersee and Andrew M. Sarangan, “Method of Making Non-Planar Micro-Optical Structures”, U.S. Patent No. 6365237, 2002. http://www.google.com/patents/US6365237 Patents (Unlicensed) 44. Gregory M. Peake, Stephen D. Hersee and Andrew M. Sarangan, “Non-Planar Micro-Optical Structures”, U.S. Patent No. 6,728,289, 2004. http://www.google.com/patents/US6728289 45. Agus Widjaja, Andrew Sarangan, “Thin film structures with negative inductance and methods for fabricating inductors comprising the same”, U.S. Patent No. 20090261936, 2011. http://www.google.com/patents/US20090261936 Short Courses at Major Conferences 46. J.W. Haus, A. M. Sarangan, “Nanophotonics – Design, Fabrication and Characterization”, OSA Annual Meeting, Rochester, NY, 2012. 47. J.W. Haus, A. M. Sarangan, “Nanophotonics – Design, Fabrication and Characterization”, OSA Annual Meeting, San Jose, CA, 2011. 48. J.W. Haus, A. M. Sarangan, Q. Zhan, “Nanophotonics – Design, Fabrication and Characterization”, OSA Annual Meeting, San Jose, CA, 2009. 49. J.W. Haus, A. M. Sarangan, Q. Zhan, “Nanophotonics – Design, Fabrication and Characterization”, OSA Annual Meeting, Rochester, NY, 2008. 50. J.W. Haus, A. M. Sarangan, Q. Zhan, “Nanophotonics – Design, Fabrication and Characterization”, OSA Annual Meeting, San Jose, CA, 2007. 51. J.W. Haus, A. M. Sarangan, Q. Zhan, “Nanophotonics – Design, Fabrication and Characterization”, OSA Annual Meeting, Rochester, NY, 2006. 9 52. 4/7/2015 J.W. Haus, A. M. Sarangan, Q. Zhan, “Nanophotonics – Design, Fabrication and Characterization”, SPIE Great Lakes Photonics Symposium, Dayton, OH, 2006. 53. J.W. Haus, A. M. Sarangan, Q. Zhan, “Nanophotonics: Design, Fabrication and Characterization”, Frontiers in Optics (FiO), October 16, 2005. (Tucson, AZ) 54. J.W. Haus, A. M. Sarangan, Q. Zhan, “Nanophotonics – Design, Fabrication and Characterization”, OSA Annual Meeting, Rochester, NY, 2004. 55. J.W. Haus, A. M. Sarangan, Q. Zhan, “Nanophotonics – Design, Fabrication and Characterization”, SPIE Great Lakes Symposium, Cleveland, OH, 2004. 56. J.W. Haus, A. M. Sarangan, Q. Zhan, “Nanophotonics – Design, Fabrication and Characterization”, OSA Annual Meeting, Tucson, AZ, 2003. Invited Lectures 57. “Nanostructured Thin Films Using Oblique Angle Deposition: Synthesis, Optical Properties And Applications”, University of Rochester, Feb 14 2013, Rochester, NY 58. “Nano-structured Optical Thin Films and their Applications”, Harbin Institute of Technology, China, December 2009. 59. “Nano-structured materials for imaging polarimetry”, Miami University, Oxford, OH, November 2008. 60. “Nanophotonics – from the Laboratory to Commercialization”, Ohio Supercomputing Center, March 2006. 61. “Nanophotonics – from the Laboratory to Commercialization”, University of Dayton Sigma Xi Annual Lecture and Banquet, April 2005. 62. “Photonic Crystal Resonators”, University of Cincinnati ECE Dept Seminars, May 2003. Conference Proceedings 63. Junxin Wang, Andrew M. Sarangan, “Nanoimprint fabrication of wiregrids micro-polarizers in near infrared spectra using SU-8 as an intermediate film”, Proc. SPIE 9170, Nanoengineering: Fabrication, Properties, Optics, and Devices XI, 917010, August 28, 2014, (San Diego, CA) http://dx.doi.org/10.1117/12.2061230 64. Chuan Ni, Piyush Shah and Andrew M. Sarangan, “Effects of different wetting layers on the growth of smooth ultra-thin silver thin films”, Proc. SPIE 9170, Nanoengineering: Fabrication, Properties, Optics, and Devices XI, 91700L, September 5, 2014, (San Diego, CA) http://dx.doi.org/10.1117/12.2061256 65. H. Li, A. M. Sarangan, G. Rui, J. Hu, P. P. Banerjee, “Nano-scale patterns of molybdenum on glass substrate for use in super-resolution imaging with metamaterials”, Proc. SPIE 9163, Plasmonics: Metallic Nanostructures and Their Optical Properties XII, 91631D, September 10, 2014, (San Diego, CA). http://dx.doi.org/10.1117/12.2063102 66. Branden J. King1, Ighodalo Idehenre, Peter E. Powers, Andrew M. Sarangan, Joseph W. Haus, and Karolyn M. Hansen, “Tapered Optical Fibers for Biosensing Applications”, Abstract #2662, 224th Electrochemical Society Meeting, Oct 29, 2013 (San Francisco, CA) 10 4/7/2015 https://ecs.confex.com/ecs/224/webprogram/Paper25292.html 67. Andrew Sarangan, Joseph Haus, Surinder Jain, Jamshid Moradmand, Nicholas Reeder, “Collaborative Classroom Tools for Nanotechnology Process Education”, ASEE Annual Conference, Paper #7689, June 24 2013, (Atlanta, GA) http://www.asee.org/public/conferences/20/papers/7689/view 68. Joseph W. Haus, Long Wang, Peter E. Powers, Andrew M. Sarangan, “Coherent super-position of multiple beams in a large mode area fiber”, Proc. SPIE 8775, Micro-structured and Specialty Optical Fibres II, May 3, 2013 (Prague, Czech Republic) 69. Susan Derenko, Roland Wuchrer, Andrew Sarangan, Christiane Schuster and Thomas Härtling, “Plasmonic gradient structures of nanoparticle arrays for optical sensing applications”, Proc. SPIE 8693, Smart Sensor Phenomena, Technology, Networks, and Systems Integration, March 10, 2013 (San Diego, CA) http://dx.doi.org/10.1117/12.2008954 70. Branden J. King, Ighodalo Idehenre, Peter E. Powers, Andrew M. Sarangan, Joseph W. Haus, Karolyn M. Hansen, “Tapered optical fibers for aqueous and gaseous phase biosensing applications”, Proc. SPIE 8570, Frontiers in Biological Detection: From Nanosensors to Systems V, 85700G, Feb 2 2013, (San Francisco, CA) http://dx.doi.org/10.1117/12.2004799 71. Hao Wang, Donald Comfort, Piyush Shah, Andrew Sarangan and John Rowe, “The Effect of Electron Donor On Microbial Fuel Cell Performance”, American Institute of Chemical Engineers 2012 Annual Meeting, 561e, Oct 31 2012, (Pittsburg, PA) http://www3.aiche.org/Proceedings/Abstract.aspx?PaperID=279731 72. S. Derenko, R. Wuchrer, A. Sarangan, and T. Härtling, “Surface plasmon resonance gradients in gold nanoparticle arrays for multispectral applications”, 12th International Conference on Near Field Optics, Nanophotonics and Related Techniques, Sept 3 2012 (Spain) http://www.nfo12.org/program.html 73. Piyush Shah, Howard Knachel, Andrew Sarangan and Karolyn Hansen, “Nanostructured Columnar Thin Films for Biological and Chemical Sensing Applications”, Abstract #3993, Honolulu PRiME 2012, Electrochemical Society Meeting, Oct 10 2012, (Honolulu, Hawaii) http://ma.ecsdl.org/content/MA2012-02/59/3993.abstract 74. Piyush Shah, Xiaoxu Niu, Andrew Sarangan, “Effect of cryogenic substrate temperature on the growth of Ag and Cu nanostructured optical metamaterials”, 2012 Symposium on Photonics and Optoelectronics (SOPO), May 2012. (Shanghai, China). http://dx.doi.org/10.1109/SOPO.2012.6270908 75. P. P. Banerjee, R. Aylo, G. Nehmetallah, H. Li, A. Sarangan and P. Powers, "Binary nanoparticle dispersed metamaterial implementation and characterization", Proc. SPIE 8268, 826805, 22 January 2012. (San Francisco, CA). http://dx.doi.org/10.1117/12.915689 76. Piyush Shah, Andrew Sarangan, “Lithographic Processing of Nanostructured Thin Films Grown Using Oblique Angle Deposition Method”, 58th AVS International Symposium, Nov 1 2011 (Nashville, TN) 77. Nkorni Katte, Joseph W. Haus, Peter Powers, Andrew Sarangan, Jian Gao, Michael Scalora, "Z-scan simulations on metallodielectric stacks with nonlinear absorption", Proc. SPIE 8093, 80930J (2011), 21 August 2011. (San Diego, CA) 11 4/7/2015 http://dx.doi.org/10.1117/12.894130 78. John Marciante, Andrew Sarangan , “Impact of Draw Inhomogeneitites on the Loss and Mode Content of Large-Mode-Area Fibers”, Specialty Optical Fibers, OSA Technical Digest (CD) (Optical Society of America, 2011), paper SOWD2, June 12, 2011. (Toronto, Canada) http://www.opticsinfobase.org/abstract.cfm?URI=SOF-2011-SOWD2 79. A. Watson, Yu Wang, Zhi Wu, A. Sarangan, “Fabrication of wiregrid micropolarizers for imaging from visible to infrared wavelengths”, 2011 IEEE Photonics Conference (PHO), pp.99-100, 9-13 Oct. 2011. (Arlington, VA) http://dx.doi.org/10.1109/PHO.2011.6110444 80. Chris Yakopcic, Andrew Sarangan, Jian Gao, Tarek M Taha, Guru Subramanyam, Stanley Rogers, "TiO2 memristor devices," Aerospace and Electronics Conference (NAECON), Proceedings of the 2011 IEEE National, pp.101-104, 20-22 July 2011. (Dayton, OH) http://dx.doi.org/10.1109/NAECON.2011.6183085 81. Nkorni Katte, Joseph W. Haus, Peter Powers, Andrew Sarangan, Jian Gao, Michael Scalora, “Nonlinear Response of Metallodielectric Stacks” Nonlinear Optics: Materials, Fundamentals and Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper NTuA4, July 17, 2011. (Kauai, HI) http://www.opticsinfobase.org/abstract.cfm?URI=NLO-2011-NTuA4 82. (Invited) Andrew Sarangan, Josh Duran, “Next Generation Infrared Imaging Sensors”, Applications of Lasers for Sensing and Free Space Communications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper LThB1, July 10, 2011. (Toronto, Canada) http://www.opticsinfobase.org/abstract.cfm?URI=LSC-2011-LThB1 83. Josh Duran, Andrew M. Sarangan, Thomas R. Nelson, “Ion implantation study of Be in InSb for the fabrication of IR detectors”, SPIE Defense, Security & Sensing, 8012-92, 2011. 84. Jian Gao, Andrew M. Sarangan, Qiwen Zhan, “Experimental confirmation of fluorescence enhancement using one-dimensional GaP/SiO2 photonic band gap structure”, SPIE Optics and Photonics, 8102-3, 2011. 85. Nkorni Katte, Jian Gao, Andrew Sarangan, Joseph Haus, Michael Scalora, Rachel Jakubiak, "Broadband, tunable super-lenses in the visible region of the electromagnetic spectrum with metallodielectric stacks (MDS)", Proc. SPIE 8096, 80963E (2011), 21 August 2011. (San Diego, CA) http://dx.doi.org/10.1117/12.894164 86. J. W. Evans, K. L. Schepler, P. E. Powers, and A. Sarangan, "A Novel Electro-Optic Beam Switch in 5mol% Magnesium-Oxide Doped Congruent Lithium Niobate," in Frontiers in Optics, OSA Technical Digest (CD) (Optical Society of America, 2010), paper FThV5, October 24, 2010. (Rochester, NY) http://www.opticsinfobase.org/abstract.cfm?URI=FiO-2010-FThV5 87. R. C. Smith, J. R. Marciante, A. M. Sarangan, "Direct Measurement of Bend-Induced Mode Deformation Using a Helical-core Fiber" Frontiers in Optics, OSA Technical Digest (CD) (Optical Society of America, 2010), paper FWK3, October 24, 2010. (Rochester, NY) http://www.opticsinfobase.org/abstract.cfm?URI=FiO-2010-FWK3 88. Jian Gao, Andrew M. Sarangan, Qiwen Zhan, Fabrication and characterization of gallium phosphide thin films by RF magnetron sputtering”, SPIE Optics and Photonics, vol 7766. 2010 12 89. 4/7/2015 M. Pan, A. Sarangan, and Q. Zhan, "Optical Birefringence of Nano-porous Dielectric Thin Films" Frontiers in Optics, OSA Technical Digest (CD) (Optical Society of America, 2008), paper FThR2, October 19, 2008. (Rochester, NY) http://www.opticsinfobase.org/abstract.cfm?URI=FiO-2008-FThR2 90. Lirong Sun, Andrew Sarangan, “A Novel Micromachining Technique for Achieving Optical Structures with Arbitrary Sidewall Profiles”, Frontiers in Optics, OSA Technical Digest (CD) (Optical Society of America, 2008), paper FThW4, October 19, 2008. (Rochester, NY) http://www.opticsinfobase.org/abstract.cfm?URI=FiO-2008-FThW4 91. W. Chen, L. Sun, A. Sarangan, Q. Zhan, "Characterization of Silicon Micro-Optic Structures with a Near-Infrared Near-Field Scanning Optical Microscope," in Frontiers in Optics, OSA Technical Digest (CD) (Optical Society of America, 2006), paper FTuT5., October 19, 2008. (Rochester, NY) http://www.opticsinfobase.org/abstract.cfm?URI=FiO-2006-FTuT5 92. Andrew M. Sarangan, Aziz Mahfoud, Zhi Wu, Qiwen Zhan, David P. Forrai, Darrel W. Endres, John W. Devitt, Robert T. Mack, James S. Harris, "Wiregrid micro-polarizers for mid-infrared applications", Proc. SPIE 6959, 695915 (2008), 18 March 2008. (Orlando, FL) http://dx.doi.org/10.1117/12.778028 93. David P. Forrai, Darrel W. Endres, John W. Devitt, Andrew M. Sarangan, Qiwen Zhan, Aziz Mahfoud-Familia, Robert T. Mack, James S. Harris, "Development of a MWIR polarimetric FPA", Proc. SPIE 6660, 666007 (2007), 26 August 2007. (San Diego, CA) http://dx.doi.org/10.1117/12.737777 94. Cong Deng, Joseph W. Haus, Andrew Sarangan, Aziz Mahfoud, Concita Sibilia, Michael Scalora, Aleksei M. Zheltikov, “Enhanced Cerenkov second-harmonic generation in patterned lithium niobate", Proc. SPIE 6123, 61230N (2006), 23 January 2006. (San Jose, CA) http://dx.doi.org/10.1117/12.646952 95. Aziz Mahfoud Familia, Andrew Sarangan, Thomas R. Nelson, Elmo A. Blubaugh, "Photoluminescence and amplified spontaneous emission studies of [2-methoxy-5-(2'ethylhexyloxy)-1,4-phenylenevinylene] in solution and films", Proc. SPIE 6117, 61170P (2006), 23 January 2006. (San Jose, CA) http://dx.doi.org/10.1117/12.644809 96. Adam T. Cooney, Andrew M. Sarangan, Thomas R. Nelson, Rashid Alkuwari, Peter E. Powers, Andres Rodriguez, Mark Kleeman, Gary Lamont, James L. Blackshire, Joseph W. Haus, “Quantum Cascade Terahertz Emitters for Subsurface Defect Detection”, AIP Conf. Proc. 820, pp. 500-507, 31 July-5 August 2005. (Brunswick, ME) http://dx.doi.org/10.1063/1.2184569 97. J.P. Kim, A.M. Sarangan, “Temperature-dependent Sellmeier equation for the refractive index of AlxGa1-xAs in the 1.46-1.58m range”, 2005 Conference on Lasers and Electro-Optics Europe, 2005. CLEO/Europe., pp.305, 12-17 June 2005. (Munich, Germany) http://dx.doi.org/10.1109/CLEOE.2005.1568089 98. Jang-Pyo Kim, Aziz Mahfoud, Andrew Sarangan, “Resonant cavity enhanced (RCE) corrugated quantum well infrared photodetectors (C-QWIP)”, 2005 Joint Spring Meeting Ohio Section of APS and the Southern Ohio Section of AAPT, April 9, 2005. (Dayton, OH) http://meetings.aps.org/Meeting/OSS05/Event/31831 99. Aziz Mahfoud, Andrew Sarangan, Cong Deng, Joseph Haus, Sarah Blickenstaff, Thomas Nelson, “Optically pumped 1-D and 2-D photonic crystal lasers based on poly (2-5-dialkoxy-phenylene13 4/7/2015 vinylene)”, Frontiers in Optics, OSA Technical Digest Series (Optical Society of America, 2004), paper FMK3, October 12, 2004. (Rochester, NY) http://www.opticsinfobase.org/abstract.cfm?URI=FiO-2004-FMK3 100. Cong Deng, Joseph W. Haus, Andrew Sarangan, Aziz Mahfoud, Michael Scalora, Mark Bloemer, Concita Sibilia, “Enhanced Cerenkov second-harmonic generation in a photonic band gap Lithium Niobate waveguide”, Frontiers in Optics, OSA Technical Digest Series (Optical Society of America, 2004), paper FWV7, October 12, 2004. (Rochester, NY) http://www.opticsinfobase.org/abstract.cfm?URI=FiO-2004-FWV7 101. S. Blicknestaff, A. Sarangan, T.R. Nelson, K. Leedy, D. Agresta, “Techniques for Shadow Masked Deposition of Nonplanar Dielectric Layers”, SPIE Great Lakes Photonics Symposium, 2004. 102. S. Tiramareddy, A. Sarangan, “Large Bends in Grating Waveguides”, SPIE Great Lakes Photonics Symposium, 2004 103. C. Deng, J.W. Haus, A. Sarangan, “Photonic Bandgap Enhanced Second-harmonic Generation in a Planar Lithium Niobate Waveguide”, SPIE Great Lakes Photonics Symposium, 2004 104. A. Mahfoud, A. Sarangan, “Two-dimensional Distributed Feedback Lasers Using Polymer Gain Media on Glass Substrates”, SPIE Great Lakes Photonics Symposium, 2004 105. J.P. Kim, A. Sarangan, “An Exact Analysis of Resonant Cavity Enhanced (RCE) Photodetectors Using Transer Matrix Method (TMM) and Finite Difference Time Domain (FDTD)”, SPIE Great Lakes Photonics Symposium, 2004 106. A.M. Sarangan, “Lateral Mode Enhancement in Curved VCSELs”, Frontiers in Optics, OSA Technical Digest (CD) (Optical Society of America, 2003), paper WD4, October 5, 2003. (Tucson, AZ) http://www.opticsinfobase.org/abstract.cfm?URI=FiO-2003-WD4 107. S. B. Blicknestaff, T.R. Nelson, A.M. Sarangan, “Techniques for shadow mask deposition of nonplanar dielectric layers," The 16th Annual Meeting of the IEEE Lasers and Electro-Optics Society, 2003. LEOS 2003, vol.2, 700- 701 vol.2, 27-28 Oct. 2003. (Tucson, AZ) http://dx.doi.org/10.1109/LEOS.2003.1252993 108. (Invited) Andrew M. Sarangan, “Two-dimensional Photonic Crystal Distributed Feedback Lasers” APS-DLS New Laser Scientist Meeting, 2002. 109. J.W. Haus, A. Sarangan, C. Deng, A.B. Fedotov, A.M. Zheltikov, V.V. Yakovlev, M. Scalora, M. Bloemer, C.M. Bowden, C. Sibilia, D. Pezzetta, R. Ramponi, “Enhanced second-harmonic generation in proton-exchanged lithium niobate planar photonic band-gap waveguides" Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference, 2002. QELS '02, pp. 163- 164, 19–24 May 2002. (Long Beach, CA) http://dx.doi.org/10.1109/QELS.2002.1031257 110. Andrew M. Sarangan, "Angled grating high-power semiconductor lasers: simulation of beam characteristics under thermal effects", Proc. SPIE 4732, 1 (2002), 01 April 2002. (Orlando, FL). http://dx.doi.org/10.1117/12.477416 111. A.M. Sarangan, O.H. Kwon, G.M. Peake, “"Enhancement of lateral mode confinement in VCSELs using curved Bragg mirrors," The 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society, 2001. LEOS 2001, vol.2, pp.657-658, 12-13 Nov 2001(San Diego, CA) http://dx.doi.org/10.1109/LEOS.2001.968985 14 4/7/2015 112. (Invited) John R. Marciante, Andrew M. Sarangan, David J. Bossert, "Performance and design considerations of angled-grating semiconductor lasers", Proc. SPIE 4270, 154 (2001), 23 January 2001, (San Jose, CA). http://dx.doi.org/10.1117/12.424668 113. Marek Osinski, William E. Thompson, Andrew M. Sarangan, Alexander P. Bogatov, "Theory of angled grating semiconductor lasers: comparison of an analytical model and BPM simulation", Proc. SPIE 3889, 108 (2000), 1 November 1999, (Osaka, Japan) http://dx.doi.org/10.1117/12.380852 114. A.M. Sarangan, "Study of Angled-Grating (-DFB) High-Power Semiconductor Lasers", 12th Annual Air Force Diode Laser Technology Review, 1999. 115. Greg M. Peake, Lei Zhang, Nelson Li, Andrew M. Sarangan, Steve D. Hersee, "Shadow Masked OMVPE for Integrated Optical Structures Using a Micromachined Silicon Mask", The 9th Biennial Workshop on Organometallic Vapor Phase Epitaxy, May 23-27, 1999. (Ponte Vedra Beach, FL) http://www.tms.org/Meetings/Specialty/OMVPE99/OMVPE99-TechProgram.pdf 116. G.M. Peake, A.M. Sarangan, S.D. Hersee, "Integrated optical structures grown by shadow masked MOCVD," IEEE Lasers and Electro-Optics Society Annual Meeting, 1998. LEOS '98, vol.2, pp.411412 vol.2, 3-4 Dec 1998. (Orlando, FL) http://dx.doi.org/10.1109/LEOS.1998.739788 117. A.M. Sarangan, M. Wright, J.R. Marciante, D.J. Bossert, "Spectral properties of angled-grating high-power semiconductor lasers," IEEE Lasers and Electro-Optics Society Annual Meeting, 1998. LEOS '98, vol.1, pp.344-345 vol.1, 1-4 Dec 1998. (Orlando, FL) http://dx.doi.org/10.1109/LEOS.1998.737871 118. Q.J. Zhang, G. Wilson, R. Venkatachalam, A. Sarangan, J. Williamson, F. Wang, "Ultra fast neural models for analysis of electro/optical interconnects" Proceedings of the 47th Electronic Components and Technology Conference, 1997, pp.1134-1137, 18-21 May 1997. (San Jose, CA) http://dx.doi.org/10.1109/ECTC.1997.606317 119. Andrew M. Sarangan, Wei-Ping Huang, Toshi Makino, "Spectral domain modeling of distributed feedback lasers", Proc. SPIE 2994, 723 (1997), 10 February 1997. (San Jose, CA). http://dx.doi.org/10.1117/12.275622 120. (Invited) Andrew M. Sarangan, Guo P. Li, W. P. Huang, Toshi Makino, "Three-dimensional analysis of multiwavelength DFB laser arrays", Proc. SPIE 2690, 276 (1996), 29 January 1996. (San Jose, CA) http://dx.doi.org/10.1117/12.238924 121. T. Makino, G.P. Li, A. Sarangan, W. Huang, "Multiwavelength gain-coupled MQW DFB laser array with fine tunability," Optical Fiber Communications, 1996. OFC '96, pp. 298- 299, 25 Feb.-1 March 1996. (San Jose, CA) http://dx.doi.org/10.1109/OFC.1996.908309 122. G.P. Li, A. Sarangan, W.P. Huang, T. Makino, F. Shepherd, "Multiwavelength DFB laser array utilizing combined effect of ridge width and ridge tilt," Eighth International Conference on Indium Phosphide and Related Materials, 1996. IPRM '96, pp.173-175, 21-25 Apr 1996. (SchwabischGmund, Germany) http://dx.doi.org/10.1109/ICIPRM.1996.491964 123. A. M. Sarangan, C. L. Xu, W. P. Huang, G. P. Li, C. Wu, T. Makino, "Analysis of MultiWavelength DFB Laser Arrays with Different Ridge Widths," in Integrated Photonics Research, 15 4/7/2015 Vol. 7 of 1995 OSA Technical Digest Series (Optical Society of America, 1995), paper IFA4, February 23, 1995. (Dana Point, CA) http://www.opticsinfobase.org/abstract.cfm?URI=IPR-1995-IFA4 124. A. M. Sarangan, F. Ma, W. P. Huang, "Refinement of the Transparent Boundary Condition for Wide Angle Beam Propagation Method," Integrated Photonics Research, Vol. 7 of 1995 OSA Technical Digest Series (Optical Society of America, 1995), paper IThG8, February 23, 1995. (Dana Point, CA) http://www.opticsinfobase.org/abstract.cfm?id=91634 125. A. Sarangan W. Huang, "Dephasing Effects in Electron Wave Directional Couplers: A Coupled Mode Analysis," in Integrated Photonics Research, Vol. 3 of 1994 OSA Technical Digest Series (Optical Society of America, 1994), paper FD3, February 17, 1994. (San Francisco, CA) http://www.opticsinfobase.org/abstract.cfm?URI=IPR-1994-FD3 126. A.M. Sarangan, Wei-Ping Huang , "A coupled mode theory for electron wave directional couplers", 1993. Proceedings in IEEE/Cornell Conference on Advanced Concepts in High Speed Semiconductor Devices and Circuits, pp.182-188, 2-4 Aug 1993. (Ithaca, NY). http://dx.doi.org/10.1109/CORNEL.1993.303085 16
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