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Conferences > CLEO_Europe > 2015 > CC_5 > CC_5_5
  • 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference
  • (Optica Publishing Group, 2015),
  • paper CC_5_5

Optical Pump – Terahertz Probe Carrier Lifetime Measurement in InAs/GaAs Quantum Dots Based Photoconductive Antennae

A. Gorodetsky, I. T. Leite, N. Bazieva, and E. U. Rafailov

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Abstract

We recently proposed quantum dot (QD) based photoconductive antennae (PCA) as perspective compact efficient room temperature CW [1] and pulsed [2] terahertz (THz) transmitters. In further research, we showed that the emitted spectra by such antennae becomes broader for increasing pump power [3]. This effect can originate due to various reasons, one of the most straightforward being the shortening in the photocarriers lifetime, as it was shown for similar QD structures [4].

© 2015 IEEE

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