Title :
Robust design of 3-dB directional coupler with weak gap sensitivity for silicon wire waveguide
Author :
Cong, G.W. ; Suzuki, Kenji ; Kim, S.H. ; Tanizawa, Ken ; Namiki, Shu ; Kawashima, Hitoshi
Author_Institution :
Network Photonics Res. Center, Nat. Inst. of Adv. Ind. Sci. & Technol., Tsukuba, Japan
Abstract :
We designed a robust 3-dB directional coupler which has a narrow silicon core and a wide gap. Performance insensitivity is improved by more than 10 times from the conventional coupler. Better stability was experimentally verified.
Keywords :
elemental semiconductors; optical directional couplers; optical waveguides; silicon; Si; directional coupler; narrow silicon core; performance insensitivity; silicon wire waveguide; stability; weak gap sensitivity; wide gap; Bandwidth; Couplings; Directional couplers; Optical switches; Optical waveguides; Robustness; Silicon;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2014
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-5575-2994-7
DOI :
10.1364/OFC.2014.Th2A.58
