DocumentCode
712296
Title
Multi-wavelength in-band OSNR monitoring based on Lyot-Sagnac interferometer
Author
Na An ; Jifang Qiu ; Zhuili Huang ; Bo Yuan ; Deming Kong ; Jian Wu
Author_Institution
State Key Lab. of Inf. Photonics & Opt. Commun., Beijing Univ. of Posts & Telecommun., Beijing, China
fYear
2015
fDate
22-26 March 2015
Firstpage
1
Lastpage
3
Abstract
An in-band OSNR monitor based on Lyot-Sagnac interferometer is experimentally demonstrated for 4×40GBaud NRZ-QPSK WDM signal without requirement for prior knowledge of the noise-free coherence properties of the signal. OSNR from 7.5~25dB was realized.
Keywords
Sagnac interferometers; light coherence; quadrature phase shift keying; wavelength division multiplexing; Lyot-Sagnac interferometer; NRZ-QPSK WDM signal; in-band OSNR monitoring; noise-free coherence; quadrature phase shift keying; wavelength division multiplexing; Decision support systems; Degradation; Fiber nonlinear optics; Monitoring; Optical interferometry; Optical noise; Signal to noise ratio;
fLanguage
English
Publisher
ieee
Conference_Titel
Optical Fiber Communications Conference and Exhibition (OFC), 2015
Conference_Location
Los Angeles, CA
Type
conf
Filename
7121638
Link To Document