Optical Bistability In Random Glassy Polymers

A. F. Garito; J. W. Wu

doi:10.1117/12.962102

15 January 1990 Optical Bistability In Random Glassy Polymers

A. F. Garito, J. W. Wu

Author Affiliations +

Proceedings Volume 1147, Nonlinear Optical Properties of Organic Materials II; (1990) https://doi.org/10.1117/12.962102
Event: 33rd Annual Technical Symposium, 1989, San Diego, United States

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.

Citation Download Citation

A. F. Garito and J. W. Wu "Optical Bistability In Random Glassy Polymers", Proc. SPIE 1147, Nonlinear Optical Properties of Organic Materials II, (15 January 1990); https://doi.org/10.1117/12.962102

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