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26 October 2007 Optical modulators exploiting a multi-phonon light scattering in TeO2-structures
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Proceedings Volume 6796, Photonics North 2007; 679615 (2007)
Event: Photonics North 2007, 2007, Ottawa, Canada
We estimate the effective photo-elastic constants peculiar to a two- and three-phonon scattering of light in Bragg regime in optical modulators based on tellurium dioxide crystalline structures. A triplet or quartet of modes appears within the interaction between the incident light beam and the acoustic wave under action of a square-law nonlinearity in similar structures. The analysis and numerical simulations are formulated in terms of the eigen-vectors for light modes in anisotropic medium and take into account the effect of optical activity in TeO2. This analysis is devoted to estimating and comparing the effective photo-elastic constants inherent in normal and anomalous regimes of acousto-optical interaction in tellurium dioxide and oriented to performing the optical modulators. The obtained experimental data on a two- and three-phonon light scattering are discussed in connection with practical estimations.
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Alexandre S. Shcherbakov, A. Luna Castellanos, and Sandra Eloisa Balderas Mata "Optical modulators exploiting a multi-phonon light scattering in TeO2-structures", Proc. SPIE 6796, Photonics North 2007, 679615 (26 October 2007);


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