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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 13 — Jul. 1, 2014
  • pp: 4017–4020

Wavelength conversion and parametric amplification of optical pulses via quasi-phase-matched four-wave mixing in long-period Bragg silicon waveguides

S. Lavdas, S. Zhao, J. B. Driscoll, R. R. Grote, R. M. Osgood, Jr., and N. C. Panoiu  »View Author Affiliations


Optics Letters, Vol. 39, Issue 13, pp. 4017-4020 (2014)
http://dx.doi.org/10.1364/OL.39.004017


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Abstract

We present a theoretical analysis supported by comprehensive numerical simulations of quasi-phase-matched four-wave mixing (FWM) of ultrashort optical pulses that propagate in weakly width-modulated silicon photonic nanowire gratings. Our study reveals that, by properly designing the optical waveguide such that the interacting pulses copropagate with the same group velocity, a conversion efficiency enhancement of more than 15 dB, as compared to a uniform waveguide, can readily be achieved. We also analyze the dependence of the conversion efficiency and FWM gain on the pulse width, time delay, walk-off parameter, and grating modulation depth.

© 2014 Optical Society of America

OCIS Codes
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(230.4320) Optical devices : Nonlinear optical devices
(230.7380) Optical devices : Waveguides, channeled
(190.4975) Nonlinear optics : Parametric processes
(130.7405) Integrated optics : Wavelength conversion devices
(250.4390) Optoelectronics : Nonlinear optics, integrated optics

ToC Category:
Nonlinear Optics

History
Original Manuscript: April 8, 2014
Revised Manuscript: May 24, 2014
Manuscript Accepted: May 25, 2014
Published: June 30, 2014

Citation
S. Lavdas, S. Zhao, J. B. Driscoll, R. R. Grote, R. M. Osgood, and N. C. Panoiu, "Wavelength conversion and parametric amplification of optical pulses via quasi-phase-matched four-wave mixing in long-period Bragg silicon waveguides," Opt. Lett. 39, 4017-4020 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-13-4017

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