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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 4 — Feb. 15, 2013
  • pp: 552–554

Flattened comb generation using only phase modulators driven by fundamental frequency sinusoidal sources with small frequency offset

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


Optics Letters, Vol. 38, Issue 4, pp. 552-554 (2013)
http://dx.doi.org/10.1364/OL.38.000552


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Abstract

We propose and experimentally demonstrate a simple scheme to generate flattened optical subcarriers at low insertion loss using only phase modulators driven by fundamental frequency sinusoidal sources. A small frequency offset is introduced in the second stage to obtain phase-insensitive, stable, and flattened subcarriers. Theoretical and numerical analysis with experimental results are carried out on this scheme. Twenty-one stable comb tones with 25 GHz frequency spacing are obtained with power difference less than 3 dB. The good bit-error-ratio performance of 160.8Gb/s polarization-division-multiplexing quadrature-phase-shift-keying signal carried by one selected subcarrier clearly demonstrates the feasibility of this comb generation scheme.

© 2013 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.5060) Fiber optics and optical communications : Phase modulation

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: October 9, 2012
Revised Manuscript: November 27, 2012
Manuscript Accepted: January 10, 2013
Published: February 13, 2013

Citation
Junwen Zhang, Jianjun Yu, Nan Chi, Ze Dong, Xinying Li, Yufeng Shao, Jianguo Yu, and Li Tao, "Flattened comb generation using only phase modulators driven by fundamental frequency sinusoidal sources with small frequency offset," Opt. Lett. 38, 552-554 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-4-552

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