Picosecond photorefractive beam coupling in GaAs
Optics Letters, Vol. 11, Issue 10, pp. 647-649 (1986)
http://dx.doi.org/10.1364/OL.11.000647
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Abstract
We report the first observation to our knowledge of the photorefractive effect on picosecond time scales. Photorefractive beam coupling in GaAs with picosecond, 1.06-µm pulses is observed owing to charge separation between electrons and the ionized defect EL2+ at low fluences and to separation between free electrons and holes created by two-photon interband absorption for high fluences. The accompanying processes of linear absorption, two-photon absorption, and transient energy transfer are also observed.
© 1986 Optical Society of America
Citation
George C. Valley, Arthur L. Smirl, M. B. Klein, K. Bohnert, and Thomas F. Boggess, "Picosecond photorefractive beam coupling in GaAs," Opt. Lett. 11, 647-649 (1986)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-11-10-647
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