Bipolar Modulation in a Self‐Powered Ultra‐Wide Photodetector Based on Bi2Se3/AlInAsSb Heterojunction for Wavelength‐Sensitive Imaging and Encrypted Optical Communication

• Published in: Advanced materials (Weinheim) Vol. 37; no. 7; pp. e2416935 - n/a
• Main Authors: Han, Yajie, Jiao, Shujie, Zhang, Xiangyu, Rong, Ping, Zhao, Yue, Jiang, Dongwei, He, Wen, Wang, Dongbo, Gao, Shiyong, Wang, Jinzhong
• Format: Journal Article
• Language: English
• Published: Weinheim Wiley Subscription Services, Inc 19.02.2025
• Subjects: Bi2Se3/AlInAsSb heterojunction; bipolar photodetector; Broadband; Communication; Communications systems; encrypted optical communication; Encryption; Environmental monitoring; Heterojunctions; Medical imaging; Military applications; Optoelectronic devices; Photoelectric effect; Photometers; Quantum efficiency; self‐powered; ultra‐wide detection

Broadband photodetectors (PDs) have garnered significant attention due to their ability to detect optical signals across a wide wavelength range, with applications spanning military reconnaissance, environmental monitoring, and medical imaging. However, existing broadband detectors face several prac...