太赫兹量子阱探测器研究进展

Research on terahertz quantum well photodetector

太赫兹量子阱探测器具有皮秒级的响应时间和1 GHz以上的高速调制性能,是太赫兹快速成像和高速无线通信应用领域非常有前景的探测器。文章综述了太赫兹量子阱探测器的探测原理和设计方法、器件主要性能指标和基于该探测器的应用技术研究进展。研究表明,基于太赫兹量子阱探测器的快速成像系统可以获得物体的细节信息,有望用于安全检查和无损检测领域;太赫兹量子阱探测器还可用于高速无线通信的探测端,为未来6G高速无线通信应用提供了有效的技术途径。

Terahertz quantum well photodetectors(THz QWPs)are ultra-fast devices,which have picosecond response time and more than 1 GHz modulation speed.THz QWPs have great potential applications in the field of THz fast imaging and high-speed wireless communications.This paper summarizes the principle,design,performance and recent research progress of THz QWPs.Research shows that the fast imaging system based on THz QWPs can detect the detailed information of the object,which is expected to be used in the field of safety inspection and nondestructive testing.Additionally,THz QWPs can be used as the detection end of high-speed wireless communication,providing an effective technical approach for future 6G wireless communications.