The 7th Asia-Pacific Workshop on Widegap Semiconductors APWS 2015 May 17 ~ 20, 2015 / The K Seoul Hotel, Seoul, Korea Room B (Crystal Ballroom B) Session Title: [TUB1] 02. Optoelectronic Devices : Application of Plasmonic Structure Date: May 19, 2015 (Tuesday) Time: 09:00 ~ 10:25 Session Chair: Hai Lu (Nanjing Univ., China) Jinsub Park (Hanyang Univ., Korea) [TUB1-1] 09:00 ~ 09:25 [Invited] Progress of GaN-based terahertz quantum cascade laser Hideki Hirayama, Wataru Terashima, Shiro Toyoda (RIKEN, Japan), and Norihiko Kamata (Saitama Univ., Japan) [TUB1-2] 09:25 ~ 09:40 Optical properties of modified light-emitting diodes structures using localized surface plasmons Jin Hyeon Yun, Han Su Cho, Kang Bin Bae, and In Hwan Lee (Chonbuk Nat'l Univ., Korea) [TUB1-3] 09:40 ~ 09:55 A novel plasmonic nanostructure for nitride LED application Dong-Sing Wuu, Shih-Hao Chuang, Ching-Ho Chen, and Ray-Hua Horng (Nat'l Chung Hsing Univ., Taiwan) [TUB1-4] 09:55 ~ 10:10 Enhanced characteristics of InGaN/GaN green light-emitting diodes with porous structures by photo-electrochemical etching Han-Su Cho, Kyeong-Seob Kwon, Myeong-Ji Dong (Chonbuk Nat'l Univ., Korea), Jin-Woo Ju, Jong-Hyeob Baek (KOPTI, Korea), and In-Hwan Lee (Chonbuk Nat'l Univ., Korea) [TUB1-5] 10:10 ~ 10:25 Cathodoluminescence enhancement of green LED through coupling of multiple quantum wells with localized surface plasmon in Ag hexagonal arrays Shuang Jiang, Zhizhong Chen, Yulong Feng, Qianqian Jiao, Junze Li, Shengxiang Jiang, Jian Ma, Yifan Chen, Tongjun Yu, and Guoyi Zhang (Peking Univ., China)