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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. 7 — Jul. 1, 2010
  • pp: 1343–1351

Performance of field-enhanced optical switching in fiber Bragg gratings

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


JOSA B, Vol. 27, Issue 7, pp. 1343-1351 (2010)
http://dx.doi.org/10.1364/JOSAB.27.001343


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Abstract

We compare the performance of two well-known all-optical switching schemes based on fiber Bragg gratings: a uniform grating and a grating with a π phase shift. We express their performance in terms of linear measures: the intensity enhancement inside the grating, which lowers the nonlinear threshold, and the relative resonance bandwidth, which determines the device’s response time. We show that in both grating types, the product of the enhancement and the relative bandwidth is proportional to the refractive index contrast, and that it is superior for a phase-shifted grating. We also evaluate the sensitivity of the devices to loss. We confirm results of our analysis by simulating nonlinear coupled-mode equations. More generally, our results indicate the advantage of structures with a high refractive- index contrast for all-optical switching.

© 2010 Optical Society of America

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

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: December 11, 2009
Revised Manuscript: April 8, 2010
Manuscript Accepted: April 11, 2010
Published: June 7, 2010

Citation
Irina V. Kabakova, Therese Walsh, C. Martijn de Sterke, and Benjamin J. Eggleton, "Performance of field-enhanced optical switching in fiber Bragg gratings," J. Opt. Soc. Am. B 27, 1343-1351 (2010)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-27-7-1343

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