@article { ISI:000167872700004,
	title = {Quantum cascade lasers with low-loss chalcogenide lateral waveguides},
	journal = {IEEE PHOTONICS TECHNOLOGY LETTERS},
	volume = {13},
	number = {3},
	year = {2001},
	month = {MAR},
	pages = {182-184},
	publisher = {IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC},
	type = {Article},
	address = {345 E 47TH ST, NEW YORK, NY 10017-2394 USA},
	abstract = {Quantum cascade lasers have been fabricated with chalcogenide lateral waveguide claddings. Several-micrometer-thick Ge0.25Se0.76 glass has been deposited by pulsed laser ablation onto the sidewalls of narrow, deep etched laser ridges. Due to the intrinsically low mid-infrared attenuation of the chalcogenide material, the waveguide loss of the lasers is significantly reduced, by up to similar to 50\%, depending on the ridge width, when compared to conventional ridge waveguides, This resulted in an improved overall laser performance, such as a reduction of the threshold current density, an increase in slope efficiency, and an improved temperature performance.},
	keywords = {chalcogenide glass, mid-infrared, pulsed laser ablation, unipolar semiconductor laser, waveguides},
	issn = {1041-1135},
	doi = {10.1109/68.914314},
	author = {C. Gmachl and Hwang, HY and Paiella, R and Sivco, DL and Baillargeon, JN and F. Capasso and Cho, AY}
}
