Remote eavesdropping at 200 meters distance based on laser feedback interferometry with single-photon sensitivity
Zhong Yang Xu, Jiyang Li, Shulian Zhang, Y. X. Tan, Xiliang Zhang, Xuling Lin, Xinjun Wan, Songlin Zhuang
Topics & Concepts
EavesdroppingOpticsInterference (communication)InterferometryLaserSensitivity (control systems)PhotonPhysicsMixing (physics)AcousticsComputer scienceTelecommunicationsElectronic engineeringQuantum mechanicsOperating systemEngineeringChannel (broadcasting)Semiconductor Lasers and Optical DevicesAdvanced Optical Sensing TechnologiesPhotonic and Optical Devices