In this paper, we report the first observation of a II-VI symmetric self-electro-optic device (SEED) operating as an optical switch at a wavelength of 488 nm at room temperature. Quantum confined Stark effect modulators based on ZnSe/ZnCdSe p-i-n structures were fabricated by molecular beam epitaxy and used in the symmetric mode where one modulator was used to bias a second modulator which showed bistable transmission characteristics with a contrast ratio of 1.5:1 between the high and low transmission states. © 1994.
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