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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 10 — May. 14, 2007
  • pp: 6152–6166

Design of high-order all-optical temporal differentiators based on multiple-phase-shifted fiber Bragg gratings

Mykola Kulishov and José Azaña  »View Author Affiliations

Optics Express, Vol. 15, Issue 10, pp. 6152-6166 (2007)

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A simple and general approach for designing practical all-optical (all-fiber) arbitrary-order time differentiators is introduced here for the first time. Specifically, we demonstrate that the Nth time derivative of an input optical waveform can be obtained by reflection of this waveform in a single uniform fiber Bragg grating (FBG) incorporating N π-phase shifts properly located along its grating profile. The general design procedure of an arbitrary-order optical time differentiator based on a multiple-phase-shifted FBG is described and numerically demonstrated for up to fourth-order time differentiation. Our simulations show that the proposed approach can provide optical operation bandwidths in the tens-of-GHz regime using readily feasible FBG structures.

© 2007 Optical Society of America

OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(200.3050) Optics in computing : Information processing
(230.1150) Optical devices : All-optical devices
(320.5540) Ultrafast optics : Pulse shaping

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: February 16, 2007
Revised Manuscript: April 29, 2007
Manuscript Accepted: May 2, 2007
Published: May 3, 2007

Mykola Kulishov and José Azaña, "Design of high-order all-optical temporal differentiators based on multiple-phase-shifted fiber Bragg gratings," Opt. Express 15, 6152-6166 (2007)

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