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The possibility of using a vertical-cavity surface-emitting laser (VCSEL) as a detector has been investigated. For a 100 Å In 0.2 Ga 0.8 As strained quantum-well-layer that serves as both an active and absorption layer, 26% absorption due to the effect of multireflection mirrors and an 8% absorption increase at the resonant wavelength by applying an electric field were demonstrated.
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Kosaka et al. (1991) studied this question.
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