Title :
Improvement in extinction ratio of silicon-silica hybrid thermooptic switch by using UV laser trimming technique
Author :
Hashizume, Y. ; Tsuchizawa, T. ; Watanabe, T. ; Yamada, K. ; Itabashi, S. ; Nasu, Y. ; Itoh, M.
Author_Institution :
NTT Photonics Labs., NTT Corp., Atsugi, Japan
Abstract :
We describe an 8-channel switch with a low power of 0.7 mW/channel based on a silicon-silica hybrid structure. We improve the extinction ratio from 3 dB to > 15 dB by using a laser trimming.
Keywords :
integrated optics; laser materials processing; optical switches; silicon; 8-channel switch; extinction ratio; silicon-silica hybrid thermooptic switch; ultraviolet laser trimming technique; Extinction ratio; Heating; Optical switches; Optical waveguides; Silicon; Silicon compounds;
Conference_Titel :
OptoElectronics and Communications Conference (OECC), 2010 15th
Conference_Location :
Sapporo
Print_ISBN :
978-1-4244-6785-3
