Trong-Huang Lee

Improved 240-GHz subharmonically pumped planar Schottky diode mixers for space-borne applications

P. Siegel, I. Mehdi, T. Crowe, 1998 .

A quasi-optical subharmonically-pumped receiver using separately biased Schottky diode pairs

Gabriel M. Rebeiz, G. Haddad, J. East, 1994, 1994 IEEE MTT-S International Microwave Symposium Digest (Cat. No.94CH3389-4).