40 Gb/s all-optical NRZ to RZ format conversion using single SOA assisted by optical bandpass filter | Zendy

Jianji Dong | Zendy; Xinliang Zhang | Zendy; Jing Xu | Zendy; Dexiu Huang | Zendy; Songnian Fu | Zendy; Perry Ping Shum | Zendy

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40 Gb/s all-optical NRZ to RZ format conversion using single SOA assisted by optical bandpass filter

Author(s) -

Jianji Dong,

Xinliang Zhang,

Jing Xu,

Dexiu Huang,

Songnian Fu,

Perry Ping Shum

Publication year - 2007

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.15.002907

Subject(s) - band pass filter , optical amplifier , extinction ratio , optical filter , optics , bandwidth (computing) , filter (signal processing) , pulse shaping , physics , electronic engineering , computer science , laser , telecommunications , engineering , wavelength , computer vision

We propose a novel all-optical format conversion from nonreturn-to-zero (NRZ) to return-to-zero (RZ) based on single semiconductor optical amplifier (SOA) and a detuning optical bandpass filter (OBF). By adopting the ultrafast SOA model associated with intraband mechanism, the 40Gb/s NRZ-to-RZ format conversion is successfully demonstrated with numerical simulation. We investigate the influence of the filter detuning, extinction ratio, conversion efficiency, output pulsewidth, and filter bandwidth. These simulation results confirm the feasibility of our scheme. The proposed scheme is robust and potential for applications in future optical networks.

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