Pump‐probe interferometric measurement of nonlinear phase modulation in a GaAs/AlGaAs multiple‐quantum‐well waveguide

Laughton, F.R., Marsh, J.H. and Button, C. (1992) Pump‐probe interferometric measurement of nonlinear phase modulation in a GaAs/AlGaAs multiple‐quantum‐well waveguide. Applied Physics Letters, 61(13), pp. 1493-1495. (doi:10.1063/1.107526)

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Abstract

Nonlinear refractive index measurements have been made at 1.06 μm using a time‐division interferometer, and n2 measured to be about −3×10−17 m2 W−1 for a TM pump and TE probe. The refractive index change was also seen to contain a positive component at small pump‐probe delay times, corresponding to an intensity‐dependent nonlinear refractive index of n2≊2×10−17 m2 W−1.

Item Type:Articles
Additional Information:This research was supported by the Science and Engineering Research Council (Grant Nos. GR/D 99607 and GR/F 65248).
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Marsh, Professor John
Authors: Laughton, F.R., Marsh, J.H., and Button, C.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:Applied Physics Letters
Publisher:AIP Publishing
ISSN:0003-6951
ISSN (Online):1077-3118

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