Title :
Strong-coupling behavior of THz sub-wavelength directional couplers
Author :
Tseng, Tzu-Fang ; Lai, Chih-Hsien ; Lu, Jen-Tang ; Tsai, Yuan-Fu ; Hwang, Yuh-Jing ; Sun, Chi-Kuang
Author_Institution :
Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan
Abstract :
We investigated the strongly-coupled mode characteristic of THz sub-wavelength directional couplers. It provides superior performance to transfer power to the coupled arm with only 0.2dB insertion loss, or with a record-short 38 λ coupling length.
Keywords :
optical directional couplers; optical losses; THz sub-wavelength directional couplers; insertion loss; loss 0.2 dB; strong-coupling behavior; strongly-coupled mode characteristic; superior performance; Couplings; Directional couplers; Insertion loss; Optical fiber couplers; Optical fiber theory; Optical losses;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
