Multi-channel multi-carrier generation using multi-wavelength frequency shifting recirculating loop | Zendy

Xinying Li | Zendy; Jianjun Yu | Zendy; Ze Dong | Zendy; Junwen Zhang | Zendy; Yufeng Shao | Zendy; Nan Chi | Zendy

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Multi-channel multi-carrier generation using multi-wavelength frequency shifting recirculating loop

Author(s) -

Xinying Li,

Jianjun Yu,

Ze Dong,

Junwen Zhang,

Yufeng Shao,

Nan Chi

Publication year - 2012

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.20.021833

Subject(s) - subcarrier , wavelength division multiplexing , optics , phase shift keying , channel spacing , optical carrier transmission rates , modulation (music) , physics , channel (broadcasting) , phase modulation , wavelength , computer science , bit error rate , telecommunications , phase noise , orthogonal frequency division multiplexing , optical fiber , radio over fiber , acoustics

We propose and experimentally demonstrate a novel scheme to generate optical frequency-locked multi-channel multi-carriers (MCMC), using a recirculating frequency shifter (RFS) loop based on multi-wavelength frequency shifting single side band (MWFS-SSB) modulation. In this scheme, optical subcarriers with multiple wavelengths can be generated each round. Furthermore, the generated MCMC are frequency- and phase-locked within each channel, and therefore can be effectively used for WDM superchannel. Dual-wavelength frequency shifting SSB modulation is carried out with dual-wavelength optical seed source in our experimental demonstration. Using this scheme, we successfully generate dual-channel multi-carriers, and one channel has 28 subcarriers while the other has 29 ones with 25-GHz subcarrier spacing. We also experimentally demonstrate that this kind of source can be used to carry 50-Gb/s optical polarization-division-multiplexing quadrature phase shift keying (PDM-QPSK) signal.

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