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Conferences > NLO > 1992 > MB > MB4

Phase conjugation at 10.6 μm via intersubband third order nonlinearities in multi quantum well structures

Ilan Gravé, Mordechai Segev, and Amnon Yariv

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Abstract

The study of nonlinear optical effects in semiconductor multi quantum well (MQW) subbands and the related applications is a subject of current interest. Greatly enhanced second order nonlinearities, as compared to those in bulk materials, have been observed by different groups. Recently third order nonlinear effects were probed: via the DC Kerr effect(1), where very large enhancement ratios over bulk values were observed, and using a four wave mixing scheme(2) to measure a large χ(3), all in GaAs/AlGaAs superlattices.

© 1992 Optical Society of America

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