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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 28 — Dec. 31, 2012
  • pp: 29599–29604

Improved multi-channel multi-carrier generation using gain-independent multi-channel frequency shifting recirculating loop

Junwen Zhang, Jianjun Yu, Nan Chi, Ze Dong, Xinying Li, and G. K. Chang  »View Author Affiliations


Optics Express, Vol. 20, Issue 28, pp. 29599-29604 (2012)
http://dx.doi.org/10.1364/OE.20.029599


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Abstract

We propose and experimentally demonstrate an improved scheme to generate optical frequency-locked multi-channel multi-carriers (MCMC), using a gain-independent multi-channel recirculating frequency shifter (MC-RFS) loop based on single sideband (SSB) modulation. We re-build the RFS structure with better performance. By using MC-RFS loop, we can generate N-channel subcarriers each round trip without interference. These subcarriers of each channel are stable and frequency-locked, which can be used for multi-channel WDM source. The dual-channel RFS loop is carried out for demonstration in our experiment with dual-carrier source. Using this scheme, we successfully generate 62 frequency-locked subcarriers with 25-GHz frequency spacing in 2 channels and each channel has 31 tones.

© 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

History
Original Manuscript: October 23, 2012
Revised Manuscript: December 5, 2012
Manuscript Accepted: December 11, 2012
Published: December 20, 2012

Citation
Junwen Zhang, Jianjun Yu, Nan Chi, Ze Dong, Xinying Li, and G. K. Chang, "Improved multi-channel multi-carrier generation using gain-independent multi-channel frequency shifting recirculating loop," Opt. Express 20, 29599-29604 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-28-29599


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