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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. 27, Iss. 12 — Dec. 1, 2010
  • pp: 2648–2653

Bistable switching and reshaping of optical pulses in a Bragg grating cavity

Irina V. Kabakova, C. Martijn de Sterke, and Benjamin J. Eggleton  »View Author Affiliations


JOSA B, Vol. 27, Issue 12, pp. 2648-2653 (2010)
http://dx.doi.org/10.1364/JOSAB.27.002648


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Abstract

We experimentally demonstrate switching of the transmission of a nanosecond optical pulse in a nonlinear Bragg grating cavity. The grating is designed with a π phase-shift in the center, which forms the cavity and enhances intensity by a factor of 45. For a high-intensity input pulse detuned from the resonance, we observe significant temporal reshaping of the output pulse: the output waveform becomes asymmetric with a sharp leading edge and an extended tail. Although the nonlinearity of a silica glass is ultrafast, the time scale of dynamic effects is determined by the linear and nonlinear cavity response times, which are tens of picoseconds. More generally, the asymmetric pulse shape such as the one presented here is expected to be a feature of all-optical self-switches based on high finesse cavities.

© 2010 Optical Society of America

OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(190.4360) Nonlinear optics : Nonlinear optics, devices
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Nonlinear Optics

History
Original Manuscript: July 15, 2010
Revised Manuscript: September 27, 2010
Manuscript Accepted: September 29, 2010
Published: November 12, 2010

Citation
Irina V. Kabakova, C. Martijn de Sterke, and Benjamin J. Eggleton, "Bistable switching and reshaping of optical pulses in a Bragg grating cavity," J. Opt. Soc. Am. B 27, 2648-2653 (2010)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-27-12-2648

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