Abstract

We observed phase-matched four-photon mixing in Hg_0.77Cd_0.23Te by using a noncollinear configuration. The observed phase-matching angle is in good agreement with theoretical estimates obtained using Brown's [T. L. Brown, M.S. thesis (MIT Press, 1975)] approach. Phase matching improves the conversion efficiency of the mixing process by an order of magnitude.

© 1980 Optical Society of America

Time-resolved self-defocusing in Cd_0.23Hg_0.77Te and InSb

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