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Four-wave mixing and generation of terahertz radiation in an alternating-strain coupled quantum-well structure

Paiella, Roberto and Vahala, Kerry J. (1996) Four-wave mixing and generation of terahertz radiation in an alternating-strain coupled quantum-well structure. IEEE Journal of Quantum Electronics, 32 (4). pp. 721-728. ISSN 0018-9197. http://resolver.caltech.edu/CaltechAUTHORS:PAIieeejqe96

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Abstract

We propose a scheme for exciting steady-state tunneling oscillations of an electronic wave packet in a semiconductor coupled quantum-well structure with strain of the opposite polarity in the two wells. A detailed study of the four-wave mixing process in this structure is then presented, based on the density matrix formalism. Our results show that a resonance peak is introduced in the four-wave mixing frequency response at the tunneling frequency, leading to a significant enhancement in the wavelength conversion efficiency for low temperature operation. Furthermore, we consider this structure under the same excitation condition as a potential source of coherent radiation in, the terahertz frequency band.


Item Type:Article
Additional Information:© Copyright 1996 IEEE. Reprinted with permission. Manuscript received August 28, 1995; revised December 11, 1995. This work was supported by the Office of Naval Research (N00014-91-5-1524) and the National Science Foundation (ECS-9412862).
Subject Keywords:excited states; multiwave mixing; optical couplers; optical frequency conversion; quantum well lasers; submillimeter wave devices; tunnelling
Record Number:CaltechAUTHORS:PAIieeejqe96
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:PAIieeejqe96
Alternative URL:http://dx.doi.org/10.1109/3.488847
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:9573
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:05 Feb 2008
Last Modified:26 Dec 2012 09:50

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