Accession Number : ADA255119

Title :   Nonlinear Delay Line Phase Shifters for Terahertz Superconductive Electronic Circuits.

Descriptive Note : Final rept. Sep 87-Jul 91,

Corporate Author : STANFORD UNIV CA EDWARD L GINZTON LAB OF PHYSICS

Personal Author(s) : Beasley, Malcom R. ; Snortland, Howard J.

Report Date : JUN 1992

Pagination or Media Count : 63

Abstract : We report on the development of an electrically controllable superconducting phase shifter suitable for operation in a terahertz heterodyne receiver. The key physical principle of operation, and that of nonlinear kinetic inductance, is developed into a device theory and also appropriate design rules. Critical figures of merit are then identified and optimized designs presented. Experimental tests of prototypes are described that were used to help further refine the design rules. Although a practical phase shifter was not produced, the prospects for the device concept appear good. Terahertz, Phase-Shifter, Nonlinear, Kinetic Inductance, Superconducting.

Descriptors :   *RECEIVERS, *DELAY LINES, *SUPERCONDUCTORS, INDUCTANCE, KINETICS, OPERATION, PHASE, PROTOTYPES, TEST AND EVALUATION, THEORY, PHASE SHIFT CIRCUITS, NONLINEAR SYSTEMS, HETERODYNING, JOSEPHSON JUNCTIONS, EQUIVALENT CIRCUITS, CRITICAL TEMPERATURE.

Subject Categories : Electrical and Electronic Equipment
      Thermodynamics

Distribution Statement : APPROVED FOR PUBLIC RELEASE