Large ultrafast optical nonlinearities in As-rich GaAs
Large ultrafast optical nonlinearities in As-rich GaAs
- Author(s): S.D. Benjamin ; A. Othonos ; P.W.E. Smith
- DOI: 10.1049/el:19941154
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- Author(s): S.D. Benjamin 1 ; A. Othonos 1 ; P.W.E. Smith 1
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View affiliations
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Affiliations:
1: Department of Electrical and Computer Engineering, University of Toronto, Toronto, Canada
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Affiliations:
1: Department of Electrical and Computer Engineering, University of Toronto, Toronto, Canada
- Source:
Volume 30, Issue 20,
29 September 1994,
p.
1704 – 1706
DOI: 10.1049/el:19941154 , Print ISSN 0013-5194, Online ISSN 1350-911X
The measurement of large ultrafast bandgap-resonant optical nonlinearities in As-rich samples of GaAs that have been grown at low temperatures is reported. Light-induced refractive index changes of magnitude greater than 0.1 and with picosecond response times have been observed. These materials appear to be promising candidates for the fabrication of compact, ultrafast all- optical devices.
Inspec keywords: nonlinear optics; refractive index; gallium arsenide; high-speed optical techniques; III-V semiconductors
Other keywords:
Subjects: Ultrafast optical techniques; Nonlinear optics; Nonlinear optics and devices
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