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    WANG WEN-XIN, HU QIANG, HUANG QI, ZHOU JUN-MING, CUI DA-FU, CHEN ZHENG-HAO. NORMAL-INCIDENCE QUANTUM WELL INFRARED PHOTODETECTOR WITHOUT GRATING COUPLERJ. Chin. Phys. B, 1995, 4(11): 806-809.
    WANG WEN-XIN, HU QIANG, HUANG QI, ZHOU JUN-MING, CUI DA-FU, CHEN ZHENG-HAO. NORMAL-INCIDENCE QUANTUM WELL INFRARED PHOTODETECTOR WITHOUT GRATING COUPLERJ. Chin. Phys. B, 1995, 4(11): 806-809.
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    • NORMAL-INCIDENCE QUANTUM WELL INFRARED PHOTODETECTOR WITHOUT GRATING COUPLER

      Abstract
    • The n-type GaAs/AlxGa1-xAs multiple quantum well infrared photodetectors have been demonstrated without any grating couplers. We have achieved a responsivity Rv of 1.7×105V/W and a detectivity D\lambda* of 4.0×1010 cm (Hz)1/2/W for a wavelength of 8.4 μm at a temperature T = 77 K in normal incidence.
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