The Effect of the Quantum Susceptance on the Gain of Superconducting Quasiparticle Mixers

Mears, C. A.; Hu, Q.; Richards, P. L.

doi:10.1109/20.133938

The Effect of the Quantum Susceptance on the Gain of Superconducting Quasiparticle Mixers

Conference · Mon Sep 24 04:00:00 EDT 1990 · IEEE Transactions on Magnetics

DOI:https://doi.org/10.1109/20.133938· OSTI ID:5806018

Mears, C. A. ^[1]; Hu, Q. ^[2]; Richards, P. L. ^[1]

University of California, Berkeley, CA (United States); Lawrence Berkeley Laboratory (LBL), Berkeley, CA (United States)
University of California, Berkeley, CA (United States); Lawrence Berkeley Laboratory (LBL), Berkeley, CA (United States); Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)

A detailed analysis of the effects of the quantum susceptance on the performance of superconductor-insulator-superconductor (SIS) mixers is performed. It is found that the principal effects of the quantum susceptance are to change the DC bias at which optimum coupling of the signal to the mixer occurs, and to change the output admittance at the IF frequency, thus changing the available gain. It is shown that at the signal port the principal effect is to change the bias voltage at which optimum coupling to the mixer occurs. A more dramatic effect occurs at the IF port, where the quantum susceptance leads to negative values of the output conductance, which causes the available gain to be infinite.

Research Organization:: Lawrence Berkeley Laboratory (LBL), Berkeley, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division (MSE)

DOE Contract Number:: AC03-76SF00098

OSTI ID:: 5806018

Report Number(s):: LBL--29588; CONF-900944--46; ON: DE91012352

Conference Information:: Journal Name: IEEE Transactions on Magnetics Journal Issue: 2 Journal Volume: 27

Country of Publication:: United States

Language:: English

References (13)

Some analytical and intuitive results in the quantum theory of mixing Feldman, M. J. Journal of Applied Physics, Vol. 53, Issue 1 https://doi.org/10.1063/1.329923	journal	January 1982
A 100 GHz SIS Quasiparticle Mixer with 10 dB Coupled Gain Raisanen, A. V.; Crete, D. G.; Richards, P. L. 1987 IEEE MTT-S International Microwave Symposium Digest https://doi.org/10.1109/MWSYM.1987.1132571	conference	January 1987
Quantum detection at millimeter wavelengths Tucker, John R.; Feldman, Marc J. Reviews of Modern Physics, Vol. 57, Issue 4 https://doi.org/10.1103/RevModPhys.57.1055	journal	October 1985
Quantum susceptance and its effects on the high-frequency response of superconducting tunnel junctions Hu, Qing; Mears, C. A.; Richards, P. L. Physical Review B, Vol. 42, Issue 16 https://doi.org/10.1103/PhysRevB.42.10250	journal	December 1990
Numerical simulation of experimental data from planar SIS mixers with integrated tuning elements Mears, C. A.; Hu, Q.; Richards, P. L. IEEE Transactions on Magnetics, Vol. 25, Issue 2 https://doi.org/10.1109/20.92469	journal	March 1989
Observation of nondissipative quasiparticle tunnel currents in superconducting tunnel junctions Hu, Qing; Mears, C. A.; Richards, P. L. Physical Review Letters, Vol. 64, Issue 24 https://doi.org/10.1103/PhysRevLett.64.2945	journal	June 1990
Predicted conversion gain in superconductor-insulator-superconductor quasiparticle mixers Tucker, J. R. Applied Physics Letters, Vol. 36, Issue 6 https://doi.org/10.1063/1.91513	journal	March 1980
MM wave quasioptical SIS mixers Hu, Q.; Mears, C. A.; Richards, P. L. IEEE Transactions on Magnetics, Vol. 25, Issue 2 https://doi.org/10.1109/20.92552	journal	March 1989
Superconducting components for infrared and millimeter-wave receivers Richards, P. L.; Hu, Q. Proceedings of the IEEE, Vol. 77, Issue 8 https://doi.org/10.1109/5.34122	journal	January 1989
Image Frequency Termination of the Superconducting Quasiparticle Mixer Feldman, Marc J.; Face, Dean W. Japanese Journal of Applied Physics, Vol. 26, Issue S3-2 https://doi.org/10.7567/JJAPS.26S3.1633	journal	January 1987
SIS quasiparticle mixers with bow-tie antennas Xizhi, Li; Richards, P. L.; Lloyd, F. L. International Journal of Infrared and Millimeter Waves, Vol. 9, Issue 2 https://doi.org/10.1007/BF01010963	journal	February 1988
Nonlinear Self-Coupling of Josephson Radiation in Superconducting Tunnel Junctions Werthamer, N. R. Physical Review, Vol. 147, Issue 1 https://doi.org/10.1103/PhysRev.147.255	journal	July 1966
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Related Subjects

426001* -- Engineering-- Superconducting Devices & Circuits-- (1990-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
COUPLING
CURRENTS
DIRECT CURRENT
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRIC POTENTIAL
ELECTRICAL EQUIPMENT
ELECTRICAL INSULATORS
ELECTRICAL PROPERTIES
ELECTRONIC EQUIPMENT
EQUIPMENT
FLUXMETERS
INFRARED SPECTRA
JUNCTIONS
MEASURING INSTRUMENTS
MEETINGS
MICROWAVE EQUIPMENT
OSCILLATORS
PERFORMANCE
PHYSICAL PROPERTIES
QUASI PARTICLES
SIGNALS
SPECTRA
SQUID DEVICES
SUPERCONDUCTING DEVICES
SUPERCONDUCTING JUNCTIONS
SUPERCONDUCTIVITY
SUPERCONDUCTORS

The Effect of the Quantum Susceptance on the Gain of Superconducting Quasiparticle Mixers

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References (13)

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