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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 10 — May. 15, 2008
  • pp: 1047–1049

Optical time lens based on four-wave mixing on a silicon chip

Reza Salem, Mark A. Foster, Amy C. Turner, David F. Geraghty, Michal Lipson, and Alexander L. Gaeta  »View Author Affiliations


Optics Letters, Vol. 33, Issue 10, pp. 1047-1049 (2008)
http://dx.doi.org/10.1364/OL.33.001047


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Abstract

We propose a new technique to realize an optical time lens for ultrafast temporal processing that is based on four-wave mixing in a silicon nanowaveguide. The demonstrated time lens produces more than 100 π of phase shift, which is not readily achievable using electro-optic phase modulators. Using this method we demonstrate 20 × magnification of a signal consisting of two 3 ps pulses, which allows for temporal measurements using a detector with a 20 GHz bandwidth. Our technique offers the capability of ultrafast temporal characterization and processing in a chip-scale device.

© 2008 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(190.5970) Nonlinear optics : Semiconductor nonlinear optics including MQW
(230.7370) Optical devices : Waveguides
(320.7100) Ultrafast optics : Ultrafast measurements

ToC Category:
Ultrafast Optics

History
Original Manuscript: January 23, 2008
Revised Manuscript: March 26, 2008
Manuscript Accepted: March 29, 2008
Published: May 8, 2008

Citation
Reza Salem, Mark A. Foster, Amy C. Turner, David F. Geraghty, Michal Lipson, and Alexander L. Gaeta, "Optical time lens based on four-wave mixing on a silicon chip," Opt. Lett. 33, 1047-1049 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-10-1047

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