Title :
Photoconductive Cw THz receiver with 20-fold increased THz conversion efficiency
Author :
Stanze, D. ; Gobel, T. ; Dietz, R.J.B. ; Globisch, B. ; Schell, M.
Author_Institution :
Fraunhofer Inst. for Telecommun., Heinrich Hertz Inst., Berlin, Germany
Abstract :
Photoconductive cw THz receivers with buried interdigital finger contacts feature a 20-fold higher conversion efficiency than their planar counterpart. Applied to a 1.5 μm cw THz photomixing system, a SNR up to 95 dB @ 100 GHz was achieved.
Keywords :
microwave photonics; optical receivers; photoconducting devices; CW THz photomixing system; THz conversion efficiency; buried interdigital finger contacts; frequency 100 GHz; photoconductive CW THz receiver; photomixing based continuous wave terahertz system; wavelength 1.5 mum; Bandwidth; Capacitance; Design automation; Optical noise; Signal to noise ratio; Solid modeling;
Conference_Titel :
Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2013 38th International Conference on
Conference_Location :
Mainz
DOI :
10.1109/IRMMW-THz.2013.6665588
