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Browse Journals & Magazines > Applied Physics Letters ...> Volume:88 Issue:20 Help

External cavity quantum-cascade laser tunable from 8.2 to 10.4 μm using a gain element with a heterogeneous cascade

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5 Author(s)
Maulini, Richard ; Institute of Physics, University of Neuchâtel, 1 A.-L. Breguet, CH-2000 Neuchâtel, Switzerland ; Mohan, Arun ; Giovannini, Marcella ; Faist, Jerome
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Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.2205183 

A heterogeneous quantum-cascade structure based on two bound-to-continuum designs emitting at 9.6 and 8.4 μm is presented. Its spontaneous emission spectrum at room temperature has a full width at half maximum of 350 cm-1 and shows a variation of intensity of less than 20% over more than 200 cm-1. External cavity lasers using a grating in Littrow configuration and antireflection coated chips with this active region could be tuned over 265 cm-1 from 8.2 to 10.4 μm, that is, over 24% of the center wavelength.

Published in:
Applied Physics Letters  (Volume:88 ,  Issue: 20 )

Date of Publication: May 2006

Page(s):
201113 - 201113-3
ISSN :
0003-6951
Digital Object Identifier :
10.1063/1.2205183
Product Type:
Journals & Magazines
Date of Current Version :
18 June 2009
Issue Date :
May 2006

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