3 W Continuous-Wave Room Temperature Single-Facet Emission From Quantum Cascade Lasers Based On Nonresonant Extraction Design Approach

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3 W Continuous-Wave Room Temperature Single-Facet Emission From Quantum Cascade Lasers Based On Nonresonant Extraction Design Approach

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Title: 3 W Continuous-Wave Room Temperature Single-Facet Emission From Quantum Cascade Lasers Based On Nonresonant Extraction Design Approach
Author: Capasso, Federico; Lyakh, Arkadiy; Maulini, Richard; Tsekoun, Alexei; Go, Rowel; Pflügl, Christian; Diehl, Laurent; Wang, Qi Jie; Patel, C. Kumar N.

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Citation: Lyakh, Arkadiy, Richard Maulini, Alexei Tsekoun, Rowel Go, Christian Pflügl, Laurent Diehl, Qi Jie Wang, Federico Capasso, and C. Kumar N. Patel. 2009. 3 W continuous-wave room temperature single-facet emission from quantum cascade lasers based on nonresonant extraction design approach. Applied Physics Letters 95(14): 141113.
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Abstract: A strain-balanced, InP-based quantum cascade laser structure, designed for light emission at 4.6 \(\mu\)m using a new nonresonant extraction design approach, was grown by molecular beam epitaxy. Removal of the restrictive two-phonon resonant condition, currently used in most structure designs, allows simultaneous optimization of several design parameters influencing laser performance. Following the growth, the structure was processed in buried heterostructure. Maximum single-ended continuous-wave optical power of 3 W was obtained at 293 K for devices with stripe dimensions of 5 mm 11.6 \(\mu\)m. Corresponding maximum wallplug efficiency and threshold current density were measured to be 12.7% and 0.86 kA/cm\(^{2}\).
Published Version: doi:10.1063/1.3238263
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:5343164

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  • FAS Scholarly Articles [7594]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University
 
 

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