Polarization insensitive all-optical up-conversion for ROF systems based on parallel pump FWM in a SOA | Zendy

Chen Lin | Zendy; Jia Lu | Zendy; Ze Dong | Zendy; Zizheng Cao | Zendy; Shuangchun Wen | Zendy; Jianguo Yu | Zendy

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Polarization insensitive all-optical up-conversion for ROF systems based on parallel pump FWM in a SOA

Author(s) -

Chen Lin,

Jia Lu,

Ze Dong,

Zizheng Cao,

Shuangchun Wen,

Jianguo Yu

Publication year - 2009

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.17.006962

Subject(s) - optical amplifier , optics , sideband , polarization (electrochemistry) , four wave mixing , physics , optical filter , local oscillator , optoelectronics , materials science , phase noise , nonlinear optics , laser , microwave , chemistry , quantum mechanics

We have proposed and experimentally investigated polarization insensitive all-optical up-conversion for ROF system based on FWM in a semiconductor optical amplifier (SOA). The parallel pump is generated based on odd-order optical sidebands and carrier suppression using an external intensity modulator and a cascaded optical filter. Therefore, the two pumps are always parallel and phase locked, which makes system polarization insensitive. After FWM in a SOA and optical filtering, similar to single sideband (SSB) 40 GHz optical millimeter-wave is generated only using 10 GHz RF as local oscillator (LO). The receiver sensitivity at a BER of 10(-9) for the up-converted signals is -28.4 dBm. The power penalty for the up-converted downstream signals is smaller than 1 dBm after 20 km SSMF-28 transmission.

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