Title :
Investigation of interferometric in-band OSNR monitor for monitoring Nyquist-shaped 400G DP-QPSK superchannels
Author :
Jeng-Yuan Yang ; Akasaka, Youichi ; Sekiya, Motoyoshi
Author_Institution :
Fujitsu Labs. of America, Richardson, TX, USA
Abstract :
New operation of interferometric OSNR monitor is investigated to support Nyquist superchannels. Power ratio for estimating OSNR in 10-30dB OSNR of 400G Nyquist DP-QPSK superchannel is largely improved and OSNR error less than +/-1dB with negligible impact from CD and PMD is achieved.
Keywords :
light interferometry; optical communication; optical noise; quadrature phase shift keying; telecommunication channels; CD; Nyquist-shaped 400G DP-QPSK superchannels monitoring; OSNR error; PMD; chromatic dispersion; dual polarization quadrature phase shift keying; interferometric in-band OSNR monitor; optical signal-to-noise ratio; polarization mode dispersion; power ratio; Monitoring; Optical filters; Optical interferometry; Optical noise; Power filters; Signal to noise ratio;
Conference_Titel :
Photonics Conference (IPC), 2014 IEEE
Conference_Location :
San Diego, CA
DOI :
10.1109/IPCon.2014.6995365
