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Optical hysteresis and multistability in a double resonator system with an additional feedback

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<mark>Journal publication date</mark>15/10/1987
<mark>Journal</mark>Optics Communications
Issue number2
Number of pages5
Pages (from-to)181-185
Publication StatusPublished
<mark>Original language</mark>English


An experimental and theoretical study of optical multistability in a double resonator system formed by a thin single crystal of GaSe and an air gap separating it from a dielectric mirror is reported. The system allows one to observe various types of optical hysteresis, bi-and multistability with microsecond switching time at room temperature and submilliwatt threshold of first switching. Five stable output states are reported for a given input. A nonmonotonic input/output characteristic of the double resonator system is used to demonstrate doubling of the incident laser modulation frequency as a new example of an all-optical signal processing.