Switch energy analysis of quantum interference directional couplers

Electronic quantum interference (QI) directional coupler switches are analyzed in terms of switching voltages, energies, and speeds and shown to be superior to present electronic switches. Comparisons with thermal and quantum limits are carried out. It is shown that the QI directional coupler (and s...

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Bibliographic Details
Published in:IEEE journal of quantum electronics 1992-01, Vol.28 (1), p.31-33
Main Authors: Thylen, L., Sahlen, O.
Format: Article
Language:English
Subjects:
Applied sciences
Directional couplers
Electronics
Electrons
Exact sciences and technology
Interference
Miscellaneous
Optical fibers
Optical signal processing
Optical waveguides
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Switches
Telecommunication switching
Voltage
Waveguide transitions
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Summary:Electronic quantum interference (QI) directional coupler switches are analyzed in terms of switching voltages, energies, and speeds and shown to be superior to present electronic switches. Comparisons with thermal and quantum limits are carried out. It is shown that the QI directional coupler (and smaller devices) is superior to present electronic devices in regard to switch energy: the latter have E/sub SW/ on the order of 60000 eV compared to the approximately=4 eV derived for the QI directional coupler.< >
ISSN:0018-9197
1558-1713
DOI:10.1109/3.119490