Title :
In-band OSNR monitor based on 3 × 3 Si-wire MMI coupler
Author :
Ken Tanizawa;Keisuke Sorimoto;Keijiro Suzuki;Kazuhiro Ikeda;Shu Namiki;Hitoshi Kawashima
Author_Institution :
National Institute of Advanced Industrial Science and Technology (AIST), West 16-1 Onogawa, Tsukuba, Ibaraki, 305-8569, Japan
Abstract :
We demonstrate a compact in-band OSNR monitor with MMI coupler integrated on SOI wafer. The OSNR monitor achieves fully-passive and modulation-format-independent operation with a measurement error of less than 1 dB for QPSK, 16-QAM, and 64-QAM signals.
Keywords :
"Signal to noise ratio","Optical noise","Monitoring","Couplers","Adaptive optics","Optical device fabrication","Optical filters"
Conference_Titel :
Optical Communication (ECOC), 2015 European Conference on
DOI :
10.1109/ECOC.2015.7341860
