, Volume 72, Issue 6, pp 755-759
Date: 19 Feb 2014

Enhanced performance of a mutually pumped phase-conjugation setup using two photorefractive crystals

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A mutually pumped phase-conjugator (MPPC) consisting of two photorefractive crystals is investigated experimentally at a wavelength of about 807 nm. In addition to a Rh:BaTiO3 crystal, which is used in a modified bridge configuration for phase-conjugation, a Co:BaTiO3 crystal is used to amplify the phase-conjugate beam by wave-mixing. The phase-conjugate power is at least doubled compared to that using only one crystal, and the beam quality of the phase-conjugate beam is distinctly improved. Moreover, the temporal stability of the phase-conjugate output using two crystals is much higher than that using only one crystal.

Received: 7 December 2000 / Revised version: 12 January 2001 / Published online: 27 April 2001