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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 25 — Dec. 11, 2006
  • pp: 12327–12333

Energy harvesting in silicon wavelength converters

Kevin K. Tsia, Sasan Fathpour, and Bahram Jalali  »View Author Affiliations

Optics Express, Vol. 14, Issue 25, pp. 12327-12333 (2006)

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Nonlinear loss is the central problem in silicon devices that operate using nonlinear optical effects. Wavelength converters are one example of such devices, wherein high optical intensities required for nonlinear interactions cause two-photon absorption and severe free-carrier absorption. In this paper, we report the first demonstration of nonlinear photovoltaic effect in silicon wavelength converters. This useful phenomenon allows us to eliminate the nonlinear loss caused by free-carrier absorption, while harvesting the optical power that is normally consumed by two-photon absorption.

© 2006 Optical Society of America

OCIS Codes
(130.4310) Integrated optics : Nonlinear
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(230.4320) Optical devices : Nonlinear optical devices

ToC Category:
Nonlinear Optics

Original Manuscript: September 21, 2006
Revised Manuscript: October 28, 2006
Manuscript Accepted: November 7, 2006
Published: December 11, 2006

Kevin K. Tsia, Sasan Fathpour, and Bahram Jalali, "Energy harvesting in silicon wavelength converters," Opt. Express 14, 12327-12333 (2006)

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