Abstract

We have achieved the first high responsivity Rv = 30000 V/W, high detectivity D* = 1 × 1010cm (Hz)/W GaAs/AlGaAs multiquantum-well superlattice detector which is sensitive in the long wavelength infra-red (LWIR) spectral region. This detector operates at λ × 8.3 µm and at a temperature of T = 77 K.

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