Title :
A study of laser white and brownian FM Noise in coherent QPSK signals
Author :
Matsuda, Keisuke ; Bessho, Hiroshi ; Hasegawa, Kiyotomo ; Yoshida, Takafumi ; Ishida, K.
Author_Institution :
Inf. Technol. R&D Center, Mitsubishi Electr. Corp., Kamakura, Japan
Abstract :
We studied laser noise numerically and experimentally in terms of frequency variance within frequency estimation response time, and showed that a normalized variance below 1×10-6 is required to limit the penalty to 0.5 dB.
Keywords :
1/f noise; optical communication; optical modulation; optical noise; quadrature phase shift keying; white noise; Brownian FM noise; coherent QPSK signals; frequency estimation response time; frequency variance; laser white noise; normalized variance; Frequency estimation; Frequency modulation; Laser noise; Measurement by laser beam; Noise measurement; Time factors;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2014
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-5575-2994-7
DOI :
10.1364/OFC.2014.W4K.4
