DocumentCode
520893
Title
Terahertz quantum cascade lasers with integrated plasmonic collimators
Author
Yu, Nanfang ; Wang, Qi Jie ; Khanna, Suraj P. ; Li, Lianhe ; Davies, A. Giles ; Linfield, Edmund H. ; Capasso, Federico
Author_Institution
Sch. of Eng. & Appl. Sci., Harvard Univ., Cambridge, MA, USA
fYear
2010
fDate
16-21 May 2010
Firstpage
1
Lastpage
2
Abstract
We report collimation of THz quantum-cascade lasers by patterning plasmonic structures on laser facets. A beam divergence angle of ∼10 degrees and an increase of the collected power by a factor of ∼5 are demonstrated.
Keywords
Apertures; Collimators; Gratings; Laser beams; Plasmons; Quantum cascade lasers; Semiconductor lasers; Surface waves; Vertical cavity surface emitting lasers; Waveguide lasers;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location
San Jose, CA, USA
Print_ISBN
978-1-55752-890-2
Electronic_ISBN
978-1-55752-890-2
Type
conf
Filename
5500496
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