Improvement of Carrier to Noise Ratio in Subcarrier Multiple Access Optical Networks Using Temperature Uncontrolled Fabry-Perot Laser Diodes

Hiroaki YAMAMOTO  Susumu MORIKURA  Kuniaki UTSUMI  Katsuyuki FUJITO  

Publication
IEICE TRANSACTIONS on Communications   Vol.E81-B   No.6   pp.1272-1274
Publication Date: 1998/06/25
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Optical Communication
Keyword: 
optical communications,  video monitoring systems,  subcarrier multiple access,  optical beat interference,  

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Summary: 
We demonstrate that the frequency modulated video signals in the subcarrier multiple access optical network can be satisfactorily transmitted using our proposed method, that broadens an optical spectrum by multiplying the subcarrier signals by an additional signal and that reduces optical beat interference, even if the wavelengths of four Fabry-Perot laser diodes are very close each other.