Asymmetric interferometers with Josephson junctions of equal mag

Details Asymmetric interferometers with Josephson junctions of equal mag Asymmetric interferometers with Josephson junctions of equal mag

1981-03-03

1984-09-25

Edlow, Martin H.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307306, H01L 3922, H03K 338

Patent

active

044738331

ABSTRACT:
An asymmetrical interferometer having two Josephson junctions with unequal contact areas. In accordance with the invention, the magnetic flux magnitudes of the control lines of the Josephson junctions are approximately equal in each Josephson junction. In a preferred embodiment, the length of the Josephson junctions along a direction parallel to the control line are equal to each other. Moreover, each Josephson junction is provided with a counterelectrode metalization, the counterelectrode metalizations having substantially equal widths measured in a direction orthogonal to the control line. The widths of the counterelectrode metalizations are larger than the width of an inductive connection between the Josephson junctions.

REFERENCES:
patent: 3978351 (1976-08-01), Zappe
IEEE Transactions on Magnetics, vol. MAG-15, No. 1, Jan., 1979 entitled "Dynamics of an Asymmetric Nondestructive Read Out Memory Cell".
Hasuo et al., "Fabrication of DC-Squid's and Their Characteristics for Digital Applications" Jap. Journal of Applied Physics, 19 Supp 19-1 (1980), pp. 595-599.
Zappe, H. H., "Josephson Quantun Interference Computor Devices", IEEE Trans. on Magnetics, MAG-13, No. 1, Jan. 1977, pp. 41-47.

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