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Conferences > CLEO_Europe > 1994 > CThM > CThM5

Two-photon absorption semiconductor waveguide autocorrelators for ultrashort pulse measurements

David A. Barrow, Frances R. Laughton, M. Mehdi Karkhanehchi, and John H. Marsh

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Abstract

A conventional autocorrelator consists of a Michelson interferometer, which splits an incident train of laser pulses into two paths. Both beams are then combined in a second-harmonic generating crystal and the pulsewidth is obtained by measuring the intensity of the second-harmonic generated (SHG) light as a function of the time delay between the two beams.

© 1994 IEEE

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