Quantum interference devices and methods for processing interfer

Details Quantum interference devices and methods for processing interfer Quantum interference devices and methods for processing interfer

1993-08-31

1994-05-10

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

257 21, H01J 4014

Patent

active

053110110

ABSTRACT:
An electron wave is propagated through a plurality of quantum-structure paths of a quantum interference device and is branched into into plural electron waves that are confined in the quantum-structure paths. The electron waves from the quantum-structure paths are combined into a plurality of kinds of different energy level electron waves with varying magnitudes dependent on phase differences between the branched electron waves. The currents of the plurality of kinds of electron waves are detected and a non-fluctuating current is produced from the detected currents. The fluctuation of the electron wave current does not influence the non-fluctuating current and the phase differences among branched electron waves may be modulated by light, an electric field or a magnetic field applied to the branching portion of the device.

REFERENCES:
patent: 4957337 (1990-09-01), Ogawa et al.
patent: 5130766 (1992-07-01), Arimoto et al.
patent: 5157467 (1992-10-01), Fujii
"Proposed structure for large quantum interference effects" by S. Datta et al.; Applied Physics Letters; Feb. 17, 1986; vol. 48, No. 7; pp. 487-487.
"Control of Quantum Interference Current Through Exchange Interaction Between Coherent Electron Waves and Photo-Excited Virtual Carriers" by M. Yamanishi et al.; Japan Society of Applied Physics; Autumn 1989' 50th Lecture meeting; 27 p-Z-1, pp. 1030 (month unspecified).

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