Recent advances in quantum cascade lasers
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Date
1997
Publication Type
Conference Paper
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no
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Abstract
Quantum cascade (QC) lasers are fundamentally new semiconductor lasers based on intersubband transitions and on electrons emitting one photon per stage as they cascade through a periodic quantum well structure. As such their wavelength can be tailored over a wide range and their differential efficiency is inherently greater than unity leading to high power operation. Recent results will be presented demonstrating high power room temperature pulsed operation from 5 to 11.6 /spl mu/m, with peak powers ranging from 200 to 50 mW.
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published
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Book title
Proceedings of the 1997 10th IEEE Lasers and Electro-Optics Society Annual Meeting (LEOS)
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Volume
1
Pages / Article No.
209 - 210
Publisher
IEEE
Event
10th IEEE Lasers and Electro-Optics Society Annual Meeting (LEOS '97)
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03759 - Faist, Jérôme / Faist, Jérôme