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Fast switching of light propagation in a photorefractive crystal via Pockels effect

โœ Scribed by Ping Xie; Teruhito Mishima

Book ID
103871053
Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
366 KB
Volume
246
Category
Article
ISSN
0030-4018

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โœฆ Synopsis

We experimentally demonstrate fast switching of light propagation and phase conjugate generation in a BaTiO 3 :Ce crystal with a high efficiency. The switching mechanism is based on the phase mismatch in photorefractive beam coupling between an incident beam and a fanning beam. The phase mismatch is induced by an externally applied electric field via Pockels effect. In our experiment, we obatin a voltage-generator-determined switching time of the order of 10 ls. The required voltage to reduce the output phase conjugate power by more than 90% is about only 100 V for our 3.8 mm-thick crystal.

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โœ Teruhito Mishima; Ping Xie; Kojiro Koyanagi; Imtiaz Ahmad Taj ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 97 KB

We demonstrate experimentally fast switching of the diffracted output from an orthogonally polarized pump (OPP) four-wave mixing (FWM) in a BaTiO 3 crystal. The switching mechanism is based on the phase mismatch in the FWM process induced by an applied electric field via Pockels effect, and, therefo