Title :
Improving photoconductive THz antennas for 1.5 µm operation
Author :
Dietz, R.J.B. ; Roehle, H. ; Hensel, H.J. ; Böttcher, J. ; Künzel, H. ; Stanze, D. ; Schlak, M. ; Schell, M. ; Sartorius, B.
Author_Institution :
Heinrich-Hertz-Inst., Fraunhofer Inst. for Telecommun., Berlin, Germany
Abstract :
Terahertz antennas for 1.5 μm operation are improved by mesa-etching of the InGaAs/InAlAs photoconductive layers. The performance in terms of dark current, signal amplitude and bandwidth has been improved significantly.
Keywords :
III-V semiconductors; etching; indium compounds; integrated optics; optical fabrication; photoconducting devices; submillimetre wave antennas; terahertz wave devices; InGaAs-InAlAs; dark current; mesa etching; photoconductive layer; photoconductive terahertz antenna; signal amplitude; wavelength 1.5 μm;
Conference_Titel :
Photonics Society Winter Topicals Meeting Series (WTM), 2010 IEEE
Conference_Location :
Majorca
Print_ISBN :
978-1-4244-5240-8
Electronic_ISBN :
978-1-4244-5241-5
DOI :
10.1109/PHOTWTM.2010.5421974
