Title :
A simple OSNR monitoring technique based on RF spectrum analysis for PDM-QPSK signals
Author :
Choi, H.G. ; Cho, K.Y. ; Shim, H.K. ; Wei, Y. ; Chung, Y.C.
Author_Institution :
Dept. of Electr. Eng., KAIST, Daejeon, South Korea
Abstract :
We demonstrate a simple technique to monitor the inband OSNR of the QPSK signal by analyzing the RF spectrum of the receiver noises. This technique is also applicable to the PDM-QPSK signals.
Keywords :
optical communication; optical modulation; quadrature phase shift keying; signal processing; spectral analysis; OSNR monitoring technique; PDM-QPSK signals; RF spectrum analysis; inband OSNR; receiver noises; Monitoring; Optical noise; Optical transmitters; Phase shift keying; Radio frequency; Signal to noise ratio;
Conference_Titel :
Opto-Electronics and Communications Conference (OECC), 2012 17th
Conference_Location :
Busan
Print_ISBN :
978-1-4673-0976-9
Electronic_ISBN :
2166-8884
DOI :
10.1109/OECC.2012.6276619
