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physics.optics2016
Distributed feedback terahertz frequency quantum cascade lasers with dual periodicity gratings
F. Castellano, S. Zanotto, L. H. Li +5
We have developed terahertz frequency quantum cascade lasers that exploit a double-periodicity distributed feedback grating to control the emission frequency and the output beam di…
physics.optics2015
Excitation, detection, and electrostatic manipulation of terahertz-frequency range plasmons in a two-dimensional electron system
Jingbo Wu, Alexander S. Mayorov, Christopher D. Wood +8
Terahertz time domain spectroscopy employing free-space radiation has frequently been used to probe the elementary excitations of low-dimensional systems. The diffraction limit blo…