VLSI Design

VLSI Design / 1998 / Article
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Computational Electronics

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Volume 8 |Article ID 79345 | 6 pages | https://doi.org/10.1155/1998/79345

A New Computational Approach to Photon-Assisted Tunneling in Intense Driving Fields Based on a Fabry-Perot Analogy

Abstract

Quantum transport in multiple-barrier systems exposed to intense laser fields is investigated by employing an analogy with the Fabry-Perot interferometer of classical optics. This analogy is exact if no further approximations are introduced. The Fabry- Perot approach is shown to be quite robust: Approximating the barriers by δ-functions with equivalent dc transmission and reflection amplitudes still yields excellent agreement with “exact” orthodox transfer-matrix calculations. The advantage of the former is its much reduced computational demands as well as ease of use. 73.40.Gk, 73.50.Pz, 72.40. + w, 42.50.Hz.

Copyright © 1998 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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