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Proceedings Paper

Optical Bistability In Random Glassy Polymers
Author(s): A. F. Garito; J. W. Wu
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Paper Abstract

Optical bistability is the quantum optical realization of a first order phase transition far from equilibrium. A resonant nonlinear optical response of it-electron excitations in low dimensional structures provides the nonlinearity essential to the onset of bistability. Saturable absorption studies of glassy polymer films consisting of quasi two-dimensional conjugated disc-like structures of silicon naphthalocyanine demonstrate that on-resonance the system behaves as an optical Bloch system with an intensity dependent refractive index n2 of 1x10-4 cm2/kW in the wavelength range of standard laser diodes. Based on this result, electronic absorptive optical bistability is observed on a nanosecond time scale in a nonlinear Fabry-Perot interferometer employing the saturably absorbing naphthalocyanine film as the nonlinear optical medium.

Paper Details

Date Published: 15 January 1990
PDF: 10 pages
Proc. SPIE 1147, Nonlinear Optical Properties of Organic Materials II, (15 January 1990); doi: 10.1117/12.962102
Show Author Affiliations
A. F. Garito, University of Pennsylvania (United States)
J. W. Wu, University of Pennsylvania (United States)

Published in SPIE Proceedings Vol. 1147:
Nonlinear Optical Properties of Organic Materials II
Garo Khanarian, Editor(s)

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