Title :
Low-loss hollow metallic waveguides efficiently coupled to terahertz micro-ring quantum cascade lasers
Author :
Vitiello, Miriam Serena ; Xu, Ji-Hua ; Kumar, Mirgender ; Beltram, Fabio ; Tredicucci, Alessandro ; Mitrofanov, Oleg ; Beere, Harvey E. ; Ritchie, David A.
Author_Institution :
CNR - Ist. Naz. di Fis. Appl. Nello Carrara, Sesto Fiorentino, Italy
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 TE01 waveguide mode, giving attenuation losses <;3dB/m.
Keywords :
light polarisation; millimetre wave lasers; optical waveguides; quantum cascade lasers; azimuthally polarized beam; low-loss hollow metallic waveguides; terahertz micro-ring quantum cascade lasers; Couplings; Hollow waveguides; Laser beams; Optical waveguides; Quantum cascade lasers; Waveguide lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
