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Intensity-dependent thresholding and switching in the photorefractive bridge mutually pumped phase conjugator

Intensity-dependent thresholding and switching in the photorefractive bridge mutually pumped phase conjugator
Intensity-dependent thresholding and switching in the photorefractive bridge mutually pumped phase conjugator
Beam-intensity-ratio-dependent effects have previously been observed in several photorefractive mixing configurations. Here we report the observation of total input-intensity-dependent effects in the bridge mutually pumped phase conjugator, which results in optical thresholding and switching behavior. The cause of these effects is attributed to competition between bridge conjugation and self-pumped phase conjugation that results from different exponents in their measured intensity-dependent response times (10-90%), namely, τbridge is proportional to I-0.79 and τSPPC is proportional to I-0.38.
0146-9592
551-3
James, S.W.
02f53f34-3244-4898-90df-246ca2b466db
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020
James, S.W.
02f53f34-3244-4898-90df-246ca2b466db
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020

James, S.W. and Eason, R.W. (1991) Intensity-dependent thresholding and switching in the photorefractive bridge mutually pumped phase conjugator. Optics Letters, 16 (8), 551-3. (doi:10.1364/OL.16.000551).

Record type: Article

Abstract

Beam-intensity-ratio-dependent effects have previously been observed in several photorefractive mixing configurations. Here we report the observation of total input-intensity-dependent effects in the bridge mutually pumped phase conjugator, which results in optical thresholding and switching behavior. The cause of these effects is attributed to competition between bridge conjugation and self-pumped phase conjugation that results from different exponents in their measured intensity-dependent response times (10-90%), namely, τbridge is proportional to I-0.79 and τSPPC is proportional to I-0.38.

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Published date: 1991
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Identifiers

Local EPrints ID: 78585
URI: http://eprints.soton.ac.uk/id/eprint/78585
DOI: doi:10.1364/OL.16.000551
ISSN: 0146-9592
PURE UUID: 56608aaf-841c-4d5b-98fc-03fefb81a79f
ORCID for R.W. Eason: ORCID iD orcid.org/0000-0001-9704-2204

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Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 02:33

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Author: S.W. James
Author: R.W. Eason ORCID iD

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