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Integrated horn antenna for microstrip waveguide THz quantum cascade lasers

Stefano Barbieri, Jesse Alton, Sukhdeep S Dhillon, Carlo Sirtori, Jean-Francois Lampin, Tahsin Akalin, Emilien Peytavit, Harvey E. Beere, David Ritchie

A horn-antenna is integrated on a microstrip waveguide QCL emitting at 2.0 THz. This allows a better impedance match to free space, which improves substantially the directivity of the beam and the radiation outcoupling.

Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference, May 2007, Baltimore, MD, United States. pp.CWP4, ⟨10.1109/CLEO.2007.4453214⟩. ⟨hal-00284100⟩