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Far-infrared quantum cascade lasers operating in AlAs phonon Reststrahlen band
K. Ohtani, M. Beck, M. J. Süess +6
We report on the operation of a double metal waveguide far-infrared quantum cascade laser emitting at 28 m, corresponding to the AlAs-like phonon Reststrahlen band. To avoid abs…
Spectrally resolved far-fields of terahertz quantum cascade lasers
Martin Brandstetter, Sebastian Schönhuber, Michael Krall +6
We demonstrate a convenient and fast method to measure the spectrally resolved far-fields of multimode terahertz quantum cascade lasers by combining a microbolometer focal plane ar…
Random Lasers for Broadband Directional Emission
Sebastian Schönhuber, Martin Brandstetter, Thomas Hisch +7
Broadband coherent light sources are becoming increasingly important for sensing and spectroscopic applications, especially in the mid-infrared and terahertz (THz) spectral regions…