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Quantum switch based on coupled waveguides |
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| Authors: | BS Pavlov IYu Popov SV Frolov |
| Institution: | (1) Department of Mathematics, Auckland University, Auckland, private bag 92019, New Zealand, NZ;(2) Department of Higher Mathematics, Leningrad Institute of Fine Mechanics and Optics, 14, Sablinskaya, St. Petersburg 197101, Russia, RU |
| Abstract: | The problem of construction of quantum multiplexer is discussed. A possible construction based on resonance transport properties of quantum waveguides coupled through small windows is considered. Small apertures play double role of “connecting channels" and “resonant elements". Transmission coefficients for the system are determined. The workability of the device as a quantum switch to one of three (or to two of three) channels is discussed. Control parameters for the switch are electron energy and bias voltage. Received 13 August 2000 and Received in final form 19 February 2001 |
| Keywords: | PACS 72 10 -d Theory of electronic transport scattering mechanisms – 73 23 Ad Ballistic transport – 02 00 Mathematical methods in physics |
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