@inproceedings{a66cffbd4a044da9a6680480ca4a38c2,
title = "Low-divergence surface-emitting terahertz quantum cascade lasers",
abstract = "We investigate surface-emission via a second-order grating in terahertz quantum cascade lasers. We optimize grating design and suppress facet reflectivity with absorbing waveguide edges. Single-mode lasing, small beam divergence, and improved slope efficiency are observed.",
author = "Fan, {Jonathan A.} and Belkin, {Mikhail A.} and Federico Capasso and Suraj Khanna and Mohamed Lachab and Giles Davies and Linfield, {Edmund H.}",
year = "2007",
doi = "10.1109/CLEO.2007.4453166",
language = "English",
isbn = "9781557528346",
series = "Conference on Lasers and Electro-Optics, 2007, CLEO 2007",
booktitle = "Conference on Lasers and Electro-Optics, 2007, CLEO 2007",
note = "Conference on Lasers and Electro-Optics, 2007, CLEO 2007 ; Conference date: 06-05-2007 Through 11-05-2007",
}