Electromagnetic radiation mixer based on electron heating in resistive state of superconductive Nb and YBaCuO films

Author

Gershenzon, E.M. ; Tsman, G. N Gol ; Gousev, Y.P. ; Elant, A.I. ; Semenov, A.D.

Author_Institution

Dept. of Phys., Moscow State Pedagogical Univ., USSR

Volume

27

Issue

2

fYear

1991

fDate

3/1/1991 12:00:00 AM

Firstpage

1317

Lastpage

1320

Abstract

A theory of an electron-heating mixer which makes it possible to calculate all the characteristics of the device is developed. It is shown that positive conversion gain is possible for such a mixer in the millimeter to near-infrared wavelength range. The dynamic range and the optimum heterodyne power can be selected from a very wide interval by varying the mixing element volume. Measurements made for Nb within the frequency range of 120-750 GHz confirm the theory. The conversion loss obtained at T=1.6 K and normalized to the element reaches 0.3 dB in the intermediate frequency band of 40 MHz; the possible noise temperature is 50 K. The estimation of noise temperature and output band for YBaCuO at T=77 yields 200 K and more than 10 GHz, respectively

Keywords

barium compounds; electron device noise; high-temperature superconductors; niobium; photodetectors; superconducting devices; superconducting thin films; type II superconductors; yttrium compounds; 1.6 K; 120 to 750 GHz; 40 MHz; Nb; YBaCuO films; conversion loss; dynamic range; electron heating; electron-heating mixer; high temperature superconductor; millimeter to near-infrared wavelength range; noise temperature; optimum heterodyne power; positive conversion gain; resistive state; Dynamic range; Electromagnetic heating; Electromagnetic radiation; Electrons; Frequency estimation; Frequency measurement; Millimeter wave devices; Mixers; Temperature; Wavelength conversion;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.133427

Filename

133427