(1 Research Institute of Superconductors Electronics (RISE),Nanjing University,Nanjing 210093,China)
(2 Purple Mountain Observatory,Chinese Academy of Sciences,Nanjing 210008,China)
(3 Key Laboratory of Terahertz Solid-State Technology,Shanghai Institute of Microsystem and Information Technology,Chinese Academy of Sciences,Shanghai 200050,China)
(4 Key Laboratory of Nanodevices and Applications,Suzhou Institute of Nano-tech and Nanobionics,Chinese Academy of Sciences,Suzhou 215123,China)
Terahertz (THz) detection is a key link in the application of THz technology. It is a highly comprehensive technology, involving physics, material science, semiconductor technology, optoelectronics,and superconducting electronics. This paper introduces the principle and applications of some typicalTHz detectors, especially with regard to research in China.