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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 29, Iss. 6 — Jun. 1, 2012
  • pp: 1497–1502

Gain enhancement of fiber optical parametric amplifier via introducing phase-shifted fiber Bragg grating for phase matching

Hongna Zhu, Bin Luo, Wei Pan, Lianshan Yan, Shuiying Xiang, and Kunhua Wen  »View Author Affiliations


JOSA B, Vol. 29, Issue 6, pp. 1497-1502 (2012)
http://dx.doi.org/10.1364/JOSAB.29.001497


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Abstract

The gain enhancement properties of a fiber optical parametric amplifier (FOPA) are investigated by inserting a phase-shifted fiber Bragg grating (PS-FBG) between two highly nonlinear dispersion shift fibers (HNL-DSFs). The PS-FBG is adopted to reduce the power and change the phase of the idler wave, and thus to change the phase mismatch parameter and relative phase difference among the four involved waves in four-wave mixing (FWM). The influence of reflectivity and phase shift of the PS-FBG on the gain properties of FOPA is focused on. It is shown that, with the introduction of PS-FBG, the gain of FOPA is enhanced significantly. With the increase of reflectivity of PS-FBG, the gain increases first and reaches its maximum at the optimal reflectivity. Besides, the π-phase shift contributes to the highest gain of FOPA. The effect of insertion loss is also considered. The FOPA with PS-FBG provides a new tool to obtain gain enhancement, which is extremely useful for the optical communication system.

© 2012 Optical Society of America

OCIS Codes
(050.5080) Diffraction and gratings : Phase shift
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: February 22, 2012
Revised Manuscript: April 25, 2012
Manuscript Accepted: May 1, 2012
Published: June 1, 2012

Citation
Hongna Zhu, Bin Luo, Wei Pan, Lianshan Yan, Shuiying Xiang, and Kunhua Wen, "Gain enhancement of fiber optical parametric amplifier via introducing phase-shifted fiber Bragg grating for phase matching," J. Opt. Soc. Am. B 29, 1497-1502 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-6-1497

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