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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 20, Iss. 6 — Jun. 1, 2003
  • pp: 1241–1246

Fast near-infrared self-pumped phase conjugation with photorefractive Sn 2 P 2 S 6

Mojca Jazbinšek, Germano Montemezzani, Peter Günter, Alexander A. Grabar, Ivan M. Stoika, and Yulian M. Vysochanskii  »View Author Affiliations


JOSA B, Vol. 20, Issue 6, pp. 1241-1246 (2003)
http://dx.doi.org/10.1364/JOSAB.20.001241


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Abstract

A significant improvement of the ring-cavity self-pumped phase conjugation response time in the near-infrared cw regime with a photorefractive brown Sn2P2S6 crystal is reported. Brown Sn2P2S6 is grown by the vapor-transport technique with SnI2 as the transport agent. With our Sn2P2S6 samples response times below 50 ms and phase-conjugate reflectivities of 25% can be achieved at a wavelength of 780 nm with a moderate light intensity of 1 W/cm2. We show that the measured reflectivity represents the limit given by the transmission of the ring-cavity arrangement. Reaching this limit is possible because of the large two-wave mixing gain of 18 cm-1 measured in this crystal.

© 2003 Optical Society of America

OCIS Codes
(160.5320) Materials : Photorefractive materials
(190.5040) Nonlinear optics : Phase conjugation
(190.5330) Nonlinear optics : Photorefractive optics
(190.7070) Nonlinear optics : Two-wave mixing

Citation
Mojca Jazbinšek, Germano Montemezzani, Peter Günter, Alexander A. Grabar, Ivan M. Stoika, and Yulian M. Vysochanskii, "Fast near-infrared self-pumped phase conjugation with photorefractive Sn2P2S6," J. Opt. Soc. Am. B 20, 1241-1246 (2003)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-20-6-1241

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