NDLI: Quantum waveguide structures and devices

Content Provider	IEEE Xplore Digital Library
Author	Goodnick, S.M. Weisshaar, A. Ecker, A. Tripathi, V.K.
Copyright Year	1994
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Oregon State Univ., Corvallis, OR, USA (Goodnick, S.M.; Weisshaar, A.; Ecker, A.; Tripathi, V.K.)
Abstract	Nanometer structures in semiconductor heterojunction systems have been studied for several years and have conclusively shown evidence for quantum interference phenomena and granular effects due to the finite number of electrons and impurities. Various proposals have been made for novel devices based on such effects, which would serve as the basis for terabit memories and ultra-dense processing elements. A discussion is given of the application of a generalized mode-matching scheme as a computational tool for investigating arbitrary quantum waveguide structures and discontinuities. Results are presented for the nonlinear conductance properties of multiple bend structures, lateral resonant tunnel structures, and nonequilibrium transport through quantum dot structures. Comparison is made to various experimental realizations of these structures where complications due to undesired inhomogeneities, such as boundary roughness and impurities, play a significant role.
Starting Page	169
Ending Page	176
File Size	649183
Page Count	8
File Format	PDF
ISBN	081866715X
DOI	10.1109/PHYCMP.1994.363684
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-11-17
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Quantum computing Semiconductor waveguides Nanostructures Heterojunctions Interference Electrons Semiconductor impurities Proposals Waveguide discontinuities Resonant tunneling devices
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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