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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 20 — Oct. 15, 2007
  • pp: 3020–3022

Design of an optical temporal integrator based on a phase-shifted fiber Bragg grating in transmission

Nam Quoc Ngo  »View Author Affiliations

Optics Letters, Vol. 32, Issue 20, pp. 3020-3022 (2007)

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We present a theoretical study of a new application of a simple π-phase-shifted fiber Bragg grating (PSFBG) in transmission mode as a high-speed optical temporal integrator. The PSFBG consists of two concatenated identical uniform FBGs with a π phase shift between them. When the reflectivities of the FBGs are extremely close to 100%, the transmissive PSFBG can perform the time integral of the complex envelope of an arbitrary input optical signal with high accuracy. As an example, the integrator is numerically shown to be able to convert an input Gaussian pulse into an optical step signal.

© 2007 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2340) Fiber optics and optical communications : Fiber optics components
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
(200.4740) Optics in computing : Optical processing
(320.5540) Ultrafast optics : Pulse shaping

ToC Category:
Ultrafast Optics

Original Manuscript: July 31, 2007
Revised Manuscript: September 4, 2007
Manuscript Accepted: September 4, 2007
Published: October 10, 2007

Nam Quoc Ngo, "Design of an optical temporal integrator based on a phase-shifted fiber Bragg grating in transmission," Opt. Lett. 32, 3020-3022 (2007)

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