Title :
Silica-based low loss and high extinction ratio 8/spl times/8 thermo-optic matrix switch with path-independent loss arrangement using double Mach-Zehnder interferometer switching units
Author :
Himeno, Akira ; Goh, Takashi ; Okuno, Masayuki ; Takahashi, Hiroshi ; Hattori, Kuninori
Author_Institution :
NTT Opt-Electron. Labs., Ibaraki, Japan
Abstract :
We describe a low loss and high-extinction ratio 8/spl times/8 thermo-optic matrix switch with a reduced 8 stage configuration composed of silica-based planar lightwave circuits. The average insertion loss and the extinction ratio were 5.1 dB and 60.3 dB, respectively.
Keywords :
Mach-Zehnder interferometers; electro-optical switches; integrated optoelectronics; optical communication equipment; optical losses; optical planar waveguides; silicon compounds; thermo-optical effects; 5.1 dB; 8 stage configuration; 8/spl times/8 thermo-optic matrix switch; SiO/sub 2/; average insertion loss; double Mach-Zehnder interferometer switching units; high extinction ratio; low loss; path-independent loss arrangement; silica-based; silica-based planar lightwave circuit;
Conference_Titel :
Optical Communication, 1996. ECOC '96. 22nd European Conference on
Conference_Location :
Oslo, Norway
Print_ISBN :
82-423-0418-1
