Title :
Improving photoconductive receivers for 1.5 μm CW THz systems
Author :
Stanze, D. ; Roehle, H. ; Dietz, R.J.B. ; Hensel, H.J. ; Schmidt, D. ; Bach, H.-G. ; Schell, M. ; Sartorius, B.
Author_Institution :
Fraunhofer Inst. for Telecommun., Heinrich Hertz Inst., Berlin, Germany
Abstract :
Implementation of interdigital electrodes and etching isolating trenches has improved InGaAs/InAlAs photoconductive antennas. The signal-to-noise ratio of continuous wave systems at 1.5 μm has been increased up to 80 dB and its operation range up to 2.1 THz.
Keywords :
receivers; receiving antennas; terahertz waves; THz system; continuous wave system; etching; interdigital electrode; photoconductive antenna; photoconductive receivers; signal-to-noise ratio; Antenna measurements; Antennas; Electrodes; Etching; Indium compounds; Receivers; Signal to noise ratio;
Conference_Titel :
Infrared Millimeter and Terahertz Waves (IRMMW-THz), 2010 35th International Conference on
Conference_Location :
Rome
Print_ISBN :
978-1-4244-6655-9
DOI :
10.1109/ICIMW.2010.5612760
