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A grating-bicoupled plasmon-resonant terahertz emitter fabricated with GaAs-based heterostructure metamaterial systems

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Abstract

A grating-bicoupled plasmon-resonant terahertz emitter was fabricated using GaAs-based heterostructure metamaterial systems. Photo-excited electrons, injected to the two-dimensional plasmon cavities, promoted the plasmon instability, resulting in the first observation of terahertz emission at room temperature.

© 2006 Optical Society of America

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