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Optical Beat Noise Reduction Using FM to AM Conversion of Injection-Locked FP-Laser Diode in Reflective SOA Based WDM/SCM-Passive Optical Networks
Yong-Yuk WON Hyuk-Choon KWON Sang-Kook HAN
Publication
IEICE TRANSACTIONS on Communications
Vol.E90-B
No.10
pp.2953-2956 Publication Date: 2007/10/01 Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e90-b.10.2953 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Fiber-Optic Transmission for Communications Keyword: Fabry-Perot laser, injection-locking, optical beat interference, subcarrier multiplexing, wavelength division multiplexing,
Full Text: PDF(216.1KB)>>
Summary:
A new scheme for reducing optical beat interference noise in a reflective semiconductor optical amplifier based wavelength division multiplexed/subcarrier multiplexing -- passive optical network is proposed. This method uses an Fabry Perot laser locked by modulated lights from optical network units in a central office. As an experimental verification, it is reported that carrier to noise ratio is enhanced by 10 dB and power penalty is improved by 16 dB.
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