Very sensitive two-photon absorption GaAs/AlGaAs waveguide detector for an autocorrelator

Laughton, F.R., Marsh, J.H. and Kean, A.H. (1992) Very sensitive two-photon absorption GaAs/AlGaAs waveguide detector for an autocorrelator. Electronics Letters, 28(17), pp. 1663-1665. (doi:10.1049/el:19921058)

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Abstract

Two-photon-induced conductivity (TPC) in a reverse-biased p-i-n GaAs/AlGaAs optical waveguide is observed, and the intensity-dependence of the photocurrent characterised. When this waveguide was used as the nonlinear detection element of an autocorrelator, an autocorrelation trace of a CW mode-locked Nd/sup 3+/:YAG laser at 1.06 mu m was successfully obtained.

Item Type:Articles
Additional Information:This work was funded by BNR Europe Ltd. and by the Science and Engineering Research Council (grant no. GR/F/65248).
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Marsh, Professor John
Authors: Laughton, F.R., Marsh, J.H., and Kean, A.H.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:Electronics Letters
Publisher:Institution of Engineering & Technology
ISSN:0013-5194
ISSN (Online):1350-911X

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