High speed electron tunneling device and applications
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United States of America Patent
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May 13, 2003
Grant Date -
Nov 28, 2002
app pub date -
May 21, 2001
filing date -
May 21, 2001
priority date (Note) -
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Abstract
A detector for detecting electromagnetic radiation incident thereon over a desired range of frequencies exhibits a given responsivity and includes an output and first and second non-insulating layers, which layers are spaced apart such that a given voltage can be applied thereacross. The first non-insulating layer is formed of a metal, and the first and second non-insulating layers are configured to form an antenna structure for receiving electromagnetic radiation over the desired range of frequencies. The detector further includes an arrangement disposed between the first and second non-insulating layers and configured to serve as a transport of electrons between the first and second non-insulating layers as a result of the electromagnetic radiation being received at the antenna structure. The arrangement includes at least a first layer of an amorphous material such that the transport of electrons includes, at least in part, transport by means of resonant tunneling, and such that at least a portion of the electromagnetic radiation incident on the antenna is converted at the output to an electrical signal having an intensity which depends on the given responsivity.
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