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Conferences > CLEO_Europe > 2017 > CC_3 > CC_3_1
  • 2017 European Conference on Lasers and Electro-Optics and European Quantum Electronics Conference
  • (Optica Publishing Group, 2017),
  • paper CC_3_1

Acquisition of spectrally resolved multimode far-fields from terahertz quantum cascade lasers

Sebastian Schönhuber, Martin Brandstetter, Michael Krall, Martin A. Kainz, Hermann Detz, Tobias Zederbauer, Aaron M. Andrews, Gottfried Strasser, and Karl Unterrainer

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Abstract

Quantum cascade lasers (QCLs) are small and powerful sources covering a wide spectral range from infrared to terahertz (THz) radiation. When fabricated in metal-metal ridge waveguides, the output aperture is typically very small compared to the long wavelength of THz radiation, therefore it is challenging to obtain collimated, directional emission from such devices.

© 2017 IEEE

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