Title :
Low-PDL 16-channel variable optical attenuator array using silica-based PLC
Author :
Hashizume, Yasuaki ; Inoue, Yasuyuki ; Kominato, Toshimi ; Shibata, Takuma ; Okuno, Masayuki
Author_Institution :
NTT Photonics Lab., NTT Corp., Kanagawa, Japan
Abstract :
We successfully reduced the PDL of a silica-based PLC-VOA array at an attenuation of 15 dB to 0.3 dB by forming stress-releasing grooves and by employing a cross-path in an asymmetric Mach-Zehnder interferometer.
Keywords :
Mach-Zehnder interferometers; optical arrays; optical attenuators; optical communication equipment; optical losses; optical planar waveguides; wavelength division multiplexing; 0.3 dB; 15 dB; asymmetric Mach-Zehnder interferometer; low-PDL 16-channel variable optical attenuator array; silica-based PLC-VOA array; stress-releasing grooves;
Conference_Titel :
Optical Fiber Communication Conference, 2004. OFC 2004
Conference_Location :
Los Angeles, CA, USA
Print_ISBN :
1-55752-772-5
