Advanced Fiber Laser Conference (AFL2023) 2024
DOI: 10.1117/12.3023152
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High coupling efficiency two-color quantum well infrared photodetectors based on dual micro-cavities

Jianlin Feng,
Hengrui Jiang,
Jun Zhao
et al.

Abstract: This paper proposes a kind of high coupling efficiency two-color quantum well infrared photodetectors (QWIPs) based on dual micro-cavities. By stacking two metal-insulator-metal (MIM) micro-cavities with multiple quantum wells operating at 12.4 µm and 15.3 µm respectively, the photodetectors can achieve two-color detection in the long and very long infrared wavelengths. The MIM micro-cavity can excite micro-cavity modes and surface plasmon (SP) modes. By controlling the inner and outer radii of the upper micro… Show more

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