Two‐photon‐induced optical switching using a CdTe etalon
作者:
A. Y. Hamad,
J. P. Wicksted,
期刊:
Journal of Applied Physics
(AIP Available online 1996)
卷期:
Volume 79,
issue 8
页码: 3816-3822
ISSN:0021-8979
年代: 1996
DOI:10.1063/1.361807
出版商: AIP
数据来源: AIP
摘要:
We report the observation of optical switching in a CdTe etalon at room temperature using 11 ns pulses at 1.064 &mgr;m radiation. We have also observed optical limiting and pulse compression. The switching was attributed to the nonlinear change in the index of refraction induced by two‐photon absorption. The thermal effect was found to have a negligible contribution to the nonlinearity. The transmission of the etalon was studied as a function of its initial detuning and the input intensity. The switching times were found to be in the range of 1.5–3.7 ns. A theoretical model was developed in the plane‐wave approximation assuming both nonlinear absorption and refraction and was found to be in good agreement with the experimental results. ©1996 American Institute of Physics.
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