Title :
Ballistic point contacts as microwave mixers
Author :
Godel, W. ; Manus, S. ; Wharam, D.A. ; Kotthaus, J.P. ; Bohm, G. ; Klein, W. ; Trankle, Gunther ; Weimann, G.
Author_Institution :
Sektion Phys., Ludwig-Maximilians-Univ., Munchen
fDate :
6/9/1994 12:00:00 AM
Abstract :
Ballistic point contacts defined in a high-mobility two-dimensional electron gas exhibit extremely nonlinear current-voltage characteristics. This nonlinearity has been used to mix microwave signals up to frequencies of 10 GHz
Keywords :
mixers (circuits); point contacts; solid-state microwave circuits; two-dimensional electron gas; 10 GHz; ballistic point contacts; high-mobility two-dimensional electron gas; microwave mixers; microwave signals; nonlinear current-voltage characteristics;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19940624
