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All-optical switching has been observed in a passive GaAs/GaAlAs MQW waveguide resonator at room temperature, and we have shown that the mechanism responsible for the switch is not due to thermal effects.
Inspec keywords: cavity resonators; semiconductor superlattices; aluminium compounds; switching; gallium arsenide; optical waveguides; III-V semiconductors; optical bistability; light interferometry
Other keywords:
Subjects: Nonlinear optics and devices; Optical waveguides and couplers; Other semiconductor devices; Optical waveguides; Nonlinear optics