Room-temperature operating extended short wavelength infrared photodetector based on interband transition of InAsSb/GaSb quantum well

Sun Ling^{1, 2}, Wang Lu¹, Lu Jin-Lei^{1, 2}, Liu Jie^{1, 2}, Fang Jun^{1, 2}, Xie Li-Li³, Hao Zhi-Biao³, Jia Hai-Qiang¹, Wang Wen-Xin¹, Chen Hong^{1, †}

(color online) Typical normalized relative photocurrent spectral response curves of InAsSb/GaSb QWs (red solid line) with a peak around 2.1 μ m and blackbody radiation spectrum at 800 K (black solid line).