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Proceedings Paper

Bloch oscillations in semiconductor superlattices
Author(s): Jagdeep Shah
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Paper Abstract

In 1928 Bloch proposed that electrons in a solid subject to an electric field will undergo periodic oscillations in the momentum and real space. These Bloch oscillations have generated considerable interest and controversy since the original proposal. Semiconductor superlattices provide an ideal system for investigating Bloch oscillations. We review recent observations of Bloch oscillations in semiconductor superlattices excited by ultrashort light pulses and observed through Four-Wave-Mixing techniques and the coherent sub-millimeter-wave radiation generated by these oscillations. Negative differential resistance has also been observed in electrically biased superlattices. We also briefly discuss the relation between these two kinds of experiments.

Paper Details

Date Published: 2 June 1994
PDF: 11 pages
Proc. SPIE 2145, Nonlinear Optics for High-Speed Electronics and Optical Frequency Conversion, (2 June 1994); doi: 10.1117/12.177138
Show Author Affiliations
Jagdeep Shah, AT&T Bell Labs. (United States)


Published in SPIE Proceedings Vol. 2145:
Nonlinear Optics for High-Speed Electronics and Optical Frequency Conversion
Nasser Peyghambarian; Robert C. Eckardt; Nasser Peyghambarian; Henry Everitt; Dennis D. Lowenthal; Henry Everitt; Robert C. Eckardt; Dennis D. Lowenthal, Editor(s)

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