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Proceedings Paper

Optically induced electronic nonlinearities and modulation in an InGaAs SQW waveguide at 1.5-um wavelength
Author(s): Jeffrey E. Ehrlich; David T. Neilson; Andrew C. Walker
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Paper Abstract

We report measurements of optically induced refractive index changes and their saturation, in an InGaAs single quantum well, centered within a linear multiple quantum well waveguide Fabry-Perot resonator using diode laser sources. A small-signal nonlinear refractive cross- section (sigma) n equals -8 X 10-20 cm3 was deduced for probe wavelengths near the TE absorption edge, and (sigma) n equals -4 X 10-20 cm3, 100 nm from the bandedge.

Paper Details

Date Published: 28 June 1993
PDF: 10 pages
Proc. SPIE 1807, Photonic Switching, (28 June 1993); doi: 10.1117/12.147938
Show Author Affiliations
Jeffrey E. Ehrlich, Heriot-Watt Univ. (United Kingdom)
David T. Neilson, Heriot-Watt Univ. (United Kingdom)
Andrew C. Walker, Heriot-Watt Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 1807:
Photonic Switching

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