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Optical Waveguiding in Poled NLO Polymers

Published online by Cambridge University Press:  21 February 2011

J. D. Swalen
Affiliation:
IBM Research Division, San Jose, CA 95120.
W. Fleming
Affiliation:
IBM Research Division, San Jose, CA 95120.
M. Jurich
Affiliation:
IBM Research Division, San Jose, CA 95120.
W. E. Moerner
Affiliation:
IBM Research Division, San Jose, CA 95120.
B. A. Smith
Affiliation:
IBM Research Division, San Jose, CA 95120.
S. Herminghaus
Affiliation:
IBM Research Division, San Jose, CA 95120.
G. C. Bjorklund
Affiliation:
IBM Research Division, San Jose, CA 95120.
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Abstract

For potential optoelectronic applications, new polymeric thin filmscontaining nonlinear optical chromophores aligned by electric field polingfor a χ(2) nonlinear optical response have been prepared andstudied. Spectroscopic and optical waveguiding techniques, as well as secondharmonic generation and electrooptic measurements, are being used tocharacterize these thin film materials. Here we optimize the chromophores inspectral response, nonlinearity, concentration and degree of alignment.Stability in the nonlinearity has been improved considerably by attachingthe chromophores to crosslinked epoxy polymers. Some applications of thesematerials for electrooptic phase modulators will be presented.

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