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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 9 — Apr. 25, 2011
  • pp: 8580–8595

Phase-controlled superimposed FBGs and their applications in spectral-phase en/decoding

Jilin Zheng, Rong Wang, Tao Pu, Lin Lu, Tao Fang, Yang Su, Ling Li, and Xiangfei Chen  »View Author Affiliations


Optics Express, Vol. 19, Issue 9, pp. 8580-8595 (2011)
http://dx.doi.org/10.1364/OE.19.008580


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Abstract

A novel kind of superimposed fiber Bragg gratings (SI-FBGs) named SI-sampled FBGs (SI-SFBGs) is proposed to control the phase relationship among SI sub-gratings by modulating the sampling periods. The realization of such phase-controlled SI-SFBGs just needs a single uniform phase mask and sub-micrometer precision moving stage. The success of phase-controll is expected to encourage SI-SFBGs’ applications in more sophisticated fields. As a demonstration, their applications in spectral-phase en/decoding are testified by both simulation and experiment. The spectral-phase encoded (SPE) encoders with the longest code-length that FBG-based SPE encoders can achieve, i.e., 64-frequency bins, are experimentally fabricated for the first time. The results show the advantages accompanying the SI-SFBGs-based SPE encoders compared with the traditional methods.

© 2011 OSA

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: March 1, 2011
Revised Manuscript: April 9, 2011
Manuscript Accepted: April 9, 2011
Published: April 18, 2011

Citation
Jilin Zheng, Rong Wang, Tao Pu, Lin Lu, Tao Fang, Yang Su, Ling Li, and Xiangfei Chen, "Phase-controlled superimposed FBGs and their applications in spectral-phase en/decoding," Opt. Express 19, 8580-8595 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-9-8580


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