High quantum efficiency long-/long-wave dual-color type-II InAs/GaSb infrared detector<xref rid="cpb_28_3_038504fn1" ref-type="fn">*</xref><fn id="cpb_28_3_038504fn1"><label>*</label><p>Project supported by the National Key Technology R&D Program of China (Grant Nos. 2018YFA0209104 and 2016YFB0402403).</p></fn>

High quantum efficiency long-/long-wave dual-color type-II InAs/GaSb infrared detector**

Project supported by the National Key Technology R&D Program of China (Grant Nos. 2018YFA0209104 and 2016YFB0402403).

Jiang Zhi^{1, 2}, Sun Yao-Yao^{1, 2}, Guo Chun-Yan^{1, 2}, Lv Yue-Xi^{1, 2}, Hao Hong-Yue^{1, 2}, Jiang Dong-Wei^{1, 2}, Wang Guo-Wei^{1, 2, ‡}, Xu Ying-Qiang^{1, 2}, Niu Zhi-Chuan^{1, 2, †}

(a) Spectral responsivity and (b) quantum efficiency under −60 mV, −20 mV, and 20 mV at 77 K. (c) The variation of quantum efficiency with applied bias for wavelengths of 9.1 μm and 6.3 μm at 77 K.