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High-performance continuous-wave room temperature 4.0-μm quantum cascade lasers with single-facet optical emission exceeding 2 W

Lyakh, A. ; Maulini, R. ; Tsekoun, A. ; Go, R. ; Von Der Porten, S. ; Pflügl, C. ; Diehl, L. ; Capasso, Federico ; Patel, C. Kumar N.

Proceedings of the National Academy of Sciences of the United States of America, 2 November 2010, Vol.107(44), pp.18799-18802 [Periódico revisado por pares]

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  • Título:
    High-performance continuous-wave room temperature 4.0-μm quantum cascade lasers with single-facet optical emission exceeding 2 W
  • Autor: Lyakh, A. ; Maulini, R. ; Tsekoun, A. ; Go, R. ; Von Der Porten, S. ; Pflügl, C. ; Diehl, L. ; Capasso, Federico ; Patel, C. Kumar N.
  • Assuntos: Lasers -- Research ; Epitaxy -- Research ; Aluminum Nitride -- Chemical Properties ; Reflection (Physics) -- Research
  • É parte de: Proceedings of the National Academy of Sciences of the United States of America, 2 November 2010, Vol.107(44), pp.18799-18802
  • Descrição: A strain-balanced, AlInAs/InGaAs/InP quantum cascade laser structure, designed for light emission at 4.0 μm using nonresonant extraction design approach, was grown by molecular beam epitaxy. Laser devices were processed in buried heterostructure geometry. An air-cooled laser system incorporating a 10-mm × 11.5-μm laser with antireflection-coated front facet and high-reflection-coated back facet delivered over 2 W of single-ended optical power in a collimated beam. Maximum continuous-wave room temperature wall plug efficiency of 5.0% was demonstrated for a high-reflection-coated 3.65-mm × 8.7-μm laser mounted on an aluminum nitride submount.
  • Idioma: Inglês

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