The Effects of Laser Phase Noise on Optical Coherent Coded Subcarrier Multiplexing System with Distributing Local Oscillator in Local Loop (Special Issue on Optical/Microwave Interaction Devices, Circuits and Systems)

概要

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In coherent optical subcarrier multiplexing (SCM) systems, the performance degradation of the system due to the phase noise of lasers restricts the maximum number of stations and channels that the system can serve. However, the effects of phase noise on the performance of the coherent SCM system with distributing Local Oscillator (LO) in local loop have not been analyzed. On the other hand, a limit on both the number of channels and stations can be effectively alleviated by using coding technique. In this paper, the effects of phase noise of lasers on the performance of frequency shift keying (FSK) SCM system with distributing LO in local loop are analyzed in terms of carrier-to-noise ratio (CNR) penalty. Second, the effects of Reed-Solomon (RS) coding on FSK SCM system with distributing LO in local loop are analyzed. It is shown that both the number of channels and stations can be increased by using coding technique.
社団法人電子情報通信学会の論文
1993-02-25