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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 9 — Mar. 20, 1999
  • pp: 1704–1708

Generation of self-pumped phase conjugation from the -c face of BaTiO3 with femtosecond pulses

Changxi Yang, Kaoru Minoshima, Katuo Seta, Hirokazu Matsumoto, and Yong Zhu  »View Author Affiliations


Applied Optics, Vol. 38, Issue 9, pp. 1704-1708 (1999)
http://dx.doi.org/10.1364/AO.38.001704


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Abstract

We demonstrate a new configuration of self-pumped phase conjugation in BaTiO3 with 450-nm femtosecond pulses. The pump beam enters the -c face of the crystal at an acute angle with respect to the +c axis. This geometry is different from all known geometries of self-pumped phase conjugations in BaTiO3. Phase-conjugate reflectivity of 1.7% and a rise time of ∼24 s are obtained at an average pump power of 10 mW. The ability of the phase conjugator to serve phase distortions correctly is demonstrated. We propose that the femtosecond phase conjugator operate with the hologram mechanism sharing as the double phase conjugator. The self-pumped phase-conjugate pulses are analyzed by femtosecond electric-field cross correlation.

© 1999 Optical Society of America

OCIS Codes
(070.5040) Fourier optics and signal processing : Phase conjugation
(190.5330) Nonlinear optics : Photorefractive optics
(320.2250) Ultrafast optics : Femtosecond phenomena

History
Original Manuscript: June 12, 1998
Revised Manuscript: October 14, 1998
Published: March 20, 1999

Citation
Changxi Yang, Kaoru Minoshima, Katuo Seta, Hirokazu Matsumoto, and Yong Zhu, "Generation of self-pumped phase conjugation from the -c face of BaTiO3 with femtosecond pulses," Appl. Opt. 38, 1704-1708 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-9-1704

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