THz-range instability from the coupling of high mobility streaming carriers with acoustic lattice vibrations

S. Riyopoulos

doi:10.1364/OTST.2005.ME8

Optical Terahertz Science and Technology
Technical Digest (CD) (Optica Publishing Group, 2005),
paper ME8
•https://doi.org/10.1364/OTST.2005.ME8

THz-range instability from the coupling of high mobility streaming carriers with acoustic lattice vibrations

S. Riyopoulos

Optical Terahertz Science and Technology 2005

Orlando, Florida United States
14–16 March 2005
ISBN: 1-55752-786-5

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S. Riyopoulos, "THz-range instability from the coupling of high mobility streaming carriers with acoustic lattice vibrations," in Optical Terahertz Science and Technology, Technical Digest (CD) (Optica Publishing Group, 2005), paper ME8.

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Abstract

Unstable interaction of streaming electron plasma waves with acoustic lattice waves may lead to THz excitation in high mobility semiconductors. The coupled plasmon-phonon dispersion yields the instability growth rate and bias threshold. Convective amplification occurs in transit, promising high gain.

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