High Performance Quantum Cascade Lasers Based on Three-Phononresonance Design

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High Performance Quantum Cascade Lasers Based on Three-Phononresonance Design

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Title: High Performance Quantum Cascade Lasers Based on Three-Phononresonance Design
Author: Wang, Qijie; Pflügl, Christian; Diehl, Laurent; Capasso, Federico; Edamura, Tadataka; Furuta, Shinichi; Yamanishi, Masamichi; Kan, Hirofumi

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Citation: Wang,Qi Jie, Christian Pflügl, Laurent Diehl, Federico Capasso, Tadataka Edamura, Shinichi Furuta, Masamichi Yamanishi, Hirofumi Kan. 2009. High performance quantum cascade lasers based on three-phononresonance design. Applied Physics Letters 94(1): 011103.
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Abstract: A quantum cascade laser structure based on three-phonon-resonance design is proposed and demonstrated. Devices, emitting at a wavelength of 9 μm, processed into buried ridge waveguide structures with a 3 mm long, 16 μm wide cavity and a high-reflection (HR) coating have shown peak output powers of 1.2 W, slope efficiencies of 1 W/A, threshold current densities of 1.1 kA/cm2, and high wall-plug efficiency of 6% at 300 K. A 3 mm long, 12 μm wide buried-heterostructure device without a HR coating exhibited continuous wave output power of as high as 65 mW from a single facet at 300 K.
Published Version: doi:10.1063/1.3062981
Other Sources: http://www.seas.harvard.edu/capasso/publications/Qijie_APL_94_011103_2009.pdf
http://link.aip.org/link/?APPLAB/94/011103/1
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:3445986

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  • FAS Scholarly Articles [7078]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University
 
 

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