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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 33 — Nov. 20, 1998
  • pp: 7809–7820

Second-harmonic generation and cascaded second-order processes in a counterpropagating quasi-phase-matched device

Gary D. Landry and Theresa A. Maldonado  »View Author Affiliations


Applied Optics, Vol. 37, Issue 33, pp. 7809-7820 (1998)
http://dx.doi.org/10.1364/AO.37.007809


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Abstract

Numerical solutions to the nonlinear coupled-wave equations of a counterpropagating quasi-phase-matched device are analyzed by numerical methods for both second-harmonic generation and cascaded processes. Normalized derivations for second-harmonic generation efficiency are also presented. The nonlinear phase shifts acquired in this device by cascaded second-order processes are promising in all-optical-switching applications. Specifically, a π/2 phase shift is shown to be achievable with 42 times less input intensity than the standard Type I configuration and 100% throughput. The effects of metallic mirrors are also presented. Careful use of the phase mismatch is shown to compensate for nonideal mirrors. Finally, conservation of power in this configuration is briefly investigated.

© 1998 Optical Society of America

OCIS Codes
(190.4360) Nonlinear optics : Nonlinear optics, devices
(230.4320) Optical devices : Nonlinear optical devices

History
Original Manuscript: February 24, 1998
Revised Manuscript: August 19, 1998
Published: November 20, 1998

Citation
Gary D. Landry and Theresa A. Maldonado, "Second-harmonic generation and cascaded second-order processes in a counterpropagating quasi-phase-matched device," Appl. Opt. 37, 7809-7820 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-33-7809

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