We demonstrate that the azimuthally polarized beam of a micro-ring THz quantum-cascade laser can be coupled to hollow metallic waveguides with efficiencies >= 96% and perfectly matched with the TE(01) waveguide mode, giving attenuation losses <3dB/m.
Low-loss hollow metallic waveguides efficiently coupled to Terahertz micro-ring quantum cascade lasers
Beltram F.;Tredicucci A.;
2011
Abstract
We demonstrate that the azimuthally polarized beam of a micro-ring THz quantum-cascade laser can be coupled to hollow metallic waveguides with efficiencies >= 96% and perfectly matched with the TE(01) waveguide mode, giving attenuation losses <3dB/m.File in questo prodotto:
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