Low divergence single mode edge emitting double metal Terahertz quantum cascade laser

Author

Amanti, M.I. ; Fischer, M. ; Beck, M. ; Scalari, G. ; Faist, J.

Author_Institution

Inst. for Quantum Electron., ETH Zurich, Zurich, Switzerland

fYear

2009

fDate

2-4 June 2009

Firstpage

1

Lastpage

2

Abstract

We present the use of a third order distributed feedback waveguide for double metal THz quantum cascade laser as a successful design to obtain high slope efficiency of 50 mW/A, spectral emission control and narrow single lobed far field (5degtimes 8deg).

Keywords

distributed feedback lasers; laser beams; laser modes; optical design techniques; quantum cascade lasers; spectral analysis; submillimetre wave lasers; waveguide lasers; Terahertz quantum cascade laser; distributed feedback waveguide; edge emitting double metal; low-divergence single mode; optical design technique; spectral emission control; Distributed feedback devices; Gratings; Laser beams; Laser modes; Optical waveguides; Power generation; Quantum cascade lasers; Surface emitting lasers; Temperature; Waveguide lasers; (140.3490) Lasers, distributed-feedback; (140.5965) Semiconductor lasers, quantum cascade;

fLanguage

English

Publisher

ieee

Conference_Titel

Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on

Conference_Location

Baltimore, MD

Print_ISBN

978-1-55752-869-8

Electronic_ISBN

978-1-55752-869-8

Type

conf

Filename

5224536