TRANSMISSIVE IMAGE MODULATOR USING MULTI-FABRY-PEROT RESONANT MODE AND MULTI-ABSORPTION MODE
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United States of America Patent
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app pub date -
Dec 16, 2014
filing date -
Dec 12, 2011
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Abandoned
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Abstract
A transmissive image modulator for allowing image modulation over a wide bandwidth with multiple Fabry-Perot resonant modes and multiple absorption modes is provided. The transmissive image modulator includes a lower reflection layer; an active layer disposed on the lower reflection layer, including multiple quantum well layers and multiple barrier layers; an upper reflection layer disposed on the active layer; and at least one micro-cavity layer disposed in at least one of the lower and upper reflection layer. The active layer and the at least one micro-cavity layer have thicknesses of a multiple of λ/2, where λ is a resonant wavelength.
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