Short-Wavelength InAs-Based Quantum Cascade Detector Operating at 2.7 μm

Miriam Giparakis,Hedwig Knötig,Hermann Detz, Maximilan Beiser,Werner Schrenk,Benedikt Schwarz,Gottfried Strasser,Aaron Maxwell Andrews

2022 IEEE Research and Applications of Photonics in Defense Conference (RAPID)（2022）

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摘要

We present an InAs/AlAsSb Quantum Cascade Detector (QCD) lattice-matched to InAs, detecting at 2.7 μm, with a room temperature responsivity of 5.63 mA/W and a detectivity of 1.14 x 10 ⁸ Jones. A diffraction grating allows for top-side illumination of the QCD.

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关键词

quantum cascade detector,intersubband transitions,InAs/AlAsSb,mid-infrared

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