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Sn2P2S6 (SPS - tin hypothiodiphosphate) is a wide band gap semiconductor ferroelectric that has interesting properties for photorefractive (PR) applications such as high two wave mixing gains (with or without external applied electric fields [1, 2]). Its large transparency window coupled with a fast response time (ms) and a large electro-optic (EO) coefficient makes it a viable candidate for telecom applications. Taking into account all SPS characteristics summarized above, we have investigated its behavior with respect to PR self focusing in the near IR in the aim of identifying its potential for the creation of self induced optical waveguides.
© 2007 IEEE
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