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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 21, Iss. 8 — Apr. 15, 1996
  • pp: 558–560

Optical frequency shifters based on cascaded second-order nonlinear processes

O. Gorbounova, Y. J. Ding, J. B. Khurgin, S. J. Lee, and A. E. Craig  »View Author Affiliations


Optics Letters, Vol. 21, Issue 8, pp. 558-560 (1996)
http://dx.doi.org/10.1364/OL.21.000558


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Abstract

We propose a novel scheme for an optical frequency shifter that exploits cascaded second-order nonlinearity in a semiconductor material. The cascade comprises a sum-frequency interaction followed by a difference-frequency conversion in a coupled waveguide-to-vertical-cavity structure. For a 50-μm–long planar waveguide, efficient conversion is supported over an effective −3-dB bandwidth of 39 nm at a pump power density of 3.3 W/μm. A longitudinal in-plane cavity can reduce the required pump power density so that effective conversion occurs over a bandwidth of 20 nm at a pump power density of 6 mW/μm.

© 1996 Optical Society of America

History
Original Manuscript: September 12, 1995
Published: April 15, 1996

Citation
O. Gorbounova, J. B. Khurgin, A. E. Craig, S. J. Lee, and Y. J. Ding, "Optical frequency shifters based on cascaded second-order nonlinear processes," Opt. Lett. 21, 558-560 (1996)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-21-8-558

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