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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 24 — Nov. 28, 2005
  • pp: 9890–9896

Self Pumped Optical Phase Conjugation at 1.06 μm in Te-doped Sn2P2S6

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

Optics Express, Vol. 13, Issue 24, pp. 9890-9896 (2005)

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We demonstrate self-pumped optical phase conjugation in Te-doped Sn2P2S6, a semiconducting ferroelectric crystal, using a 1.06 μm wavelength cw Nd:YAG laser. The photorefractive gain of this crystal has been increased to Γ = (3.9 ± 0.4)cm-1 by Te doping. We observed self-pumped optical phase conjugation in a ring cavity scheme with phase conjugate reflectivities of more than 40 percent and a very fast phase conjugate rise time below 100ms at a light intensity of 20 W/cm2. This is more than two orders of magnitude faster than in any other photorefractive crystal, as e.g. in Rh-doped BaTiO3.

© 2005 Optical Society of America

OCIS Codes
(160.5320) Materials : Photorefractive materials
(190.5040) Nonlinear optics : Phase conjugation
(190.5330) Nonlinear optics : Photorefractive optics

ToC Category:
Research Papers

Original Manuscript: October 11, 2005
Revised Manuscript: October 11, 2005
Published: November 28, 2005

Tobias Bach, Mojca Jazbinšek, Peter Günter, Alexander Grabar, Ivan Stoika, and Yulian Vysochanskii, "Self Pumped Optical Phase Conjugation at 1.06 µm in Te-doped Sn2P2S6," Opt. Express 13, 9890-9896 (2005)

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