基于横向光记忆电流的太赫兹发射极器件新概念

CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference Pub Date : 2009-06-14 DOI:10.1109/CLEOE-EQEC.2009.5191973

G. Klatt, F. Hilser, M. Beck, K. Huska, G. Bastian, T. Dekorsy

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摘要

提出了一种产生太赫兹(THz)辐射的新概念。与目前最先进的太赫兹发射器产生太赫兹辐射那样，在外部偏置场中加速载流子[1]不同，太赫兹辐射是由非均匀光激发诱导的侧向光-记忆电流产生的[2]。我们用最简单的几何形式在砷化镓上证明了这一原理。

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New THz emitter device concept based on lateral photo-dember currents

A new concept for the generation of terahertz (THz) radiation is presented. Instead of accelerating carriers in an external bias field as state-of-the-art THz emitters generate THz radiation [1], the THz radiation is generated by lateral Photo-Dember currents induced by inhomogeneous optical excitation [2]. We prove the principle in the simplest geometry on GaAs.

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CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference

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