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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 38, Iss. 16 — Aug. 15, 2013
  • pp: 3137–3139

Generation of a flat optical frequency comb based on a cascaded polarization modulator and phase modulator

Cihai Chen, Chao He, Dan Zhu, Ronghui Guo, Fangzheng Zhang, and Shilong Pan  »View Author Affiliations


Optics Letters, Vol. 38, Issue 16, pp. 3137-3139 (2013)
http://dx.doi.org/10.1364/OL.38.003137


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Abstract

A scheme to generate a flat optical frequency comb (OFC) with a fixed phase relationship between the comb lines is proposed and experimentally demonstrated based on a cascaded polarization modulator (PolM) and phase modulator. Because the PolM introduces more controllable parameters compared with the conventional intensity modulator, 9, 11, and 13 comb lines can be generated with relatively low RF powers, or 15, 17, and 19 comb lines can be obtained if high RF powers are applied. The experimentally generated 9, 11, and 13 OFCs have a flatness of 1, 1.3, and 2.1 dB, respectively. The scheme requires no DC bias to the modulators, no optical filter, and no frequency divider or multiplier, which is simple and stable.

© 2013 Optical Society of America

OCIS Codes
(060.4080) Fiber optics and optical communications : Modulation
(190.4160) Nonlinear optics : Multiharmonic generation
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: June 20, 2013
Revised Manuscript: July 20, 2013
Manuscript Accepted: July 24, 2013
Published: August 14, 2013

Citation
Cihai Chen, Chao He, Dan Zhu, Ronghui Guo, Fangzheng Zhang, and Shilong Pan, "Generation of a flat optical frequency comb based on a cascaded polarization modulator and phase modulator," Opt. Lett. 38, 3137-3139 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-16-3137


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