28 June 1993 Spatiotemporal switching in optically bistable CdS crystals
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Proceedings Volume 1807, Photonic Switching; (1993); doi: 10.1117/12.147910
Event: Topical Meeting on Photonic Switching, 1992, Minsk, Belarus
Abstract
In this contribution we focus on thermally induced absorptive optical nonlinearities in II-VI semiconductors. We demonstrate an optical oscillator by introducing the sample into a hybrid ring resonator with long round trip time. In the case of only marginally bistable input-output characteristics (realized with a CdS single crystal) we get the following dynamical behavior: For high input intensities the oscillation period is a multiple of the delay time. When decreasing the input intensity relaxation oscillations that stabilize the system and prevent it from a transition to deterministic chaos become important. Additionally we investigate the spatiotemporal dynamics of the system if a large diameter holding beam is switched by a small and short light pulse. Here we find switching waves and metastable temperature profiles.
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J. Grohs, Sergey P. Apanasevich, H. Issler, Hans-Georg Kuball, J. Steffen, Claus F. Klingshirn, "Spatiotemporal switching in optically bistable CdS crystals", Proc. SPIE 1807, Photonic Switching, (28 June 1993); doi: 10.1117/12.147910; https://doi.org/10.1117/12.147910
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KEYWORDS
Switching

Crystals

Cadmium sulfide

Modulation

Chaos

Resonators

Crystal optics

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