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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 20 — Sep. 24, 2012
  • pp: 21833–21839

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

Xinying Li, Jianjun Yu, Ze Dong, Junwen Zhang, Yufeng Shao, and Nan Chi  »View Author Affiliations

Optics Express, Vol. 20, Issue 20, pp. 21833-21839 (2012)

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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.

© 2012 OSA

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.2630) Fiber optics and optical communications : Frequency modulation

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: June 29, 2012
Revised Manuscript: August 23, 2012
Manuscript Accepted: August 24, 2012
Published: September 10, 2012

Xinying Li, Jianjun Yu, Ze Dong, Junwen Zhang, Yufeng Shao, and Nan Chi, "Multi-channel multi-carrier generation using multi-wavelength frequency shifting recirculating loop," Opt. Express 20, 21833-21839 (2012)

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