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Topical Meeting on Optical Bistability (OB)

Low-Power Optical Bistability and Phase Conjugation in Polydiacetylene

W. Blau

Published Jan 1, 1988• 0 citations
Publisher

Abstract

Thermally induced optical bistability is reported at 514 nm using a Fabry-Perot cavity filled with polydiacetylene. Simultaneous degenerate four-wave mixing shows corresponding bistable behaviour of the phase conjugate signal.
DOI
10.1364/obi.1988.wb.6

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Resonant degenerate 4-wave mixing (DFWM) has proven to be a powerful technique to generate phase conjugate (PC) wave fronts. In this contribution we consider the situation where the nonlinear medium is placed inside a Fabry-Perot cavity (Fig. 1). In this geometry, the intracavity pump intensity and, as a consequence, also the PC emission are expected to exhibit bistable switching /1,2/. With respect to practical applications, intracavity PC might be of interest, e.g., for probing an optical memory element or for Q-switching a resonator with a phase conjugating mirror. Only recently, however, first experimental studies on bistability in intracavity PC have been performed /3,4/.