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Second-harmonic generation in three-well and bound-to-continuum GaAs-based quantum-cascade lasers

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Abstract

We present efficient second-harmonic generation in state of the art GaAs-based quantum-cascade lasers with nonlinear output powers up to 100 μW. The nonlinear output was significantly improved by applying an AlGaAs waveguide structure, which guides both, the fundamental and nonlinear light. We further show the influence of the doping in the active region on the nonlinear light generation by comparing two similar structures with different doping levels.

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Authors and Affiliations

  1. Zentrum für Mikro- und Nanostrukturen, Technische Universität Wien, Floragasse 7, 1040, Vienna, Austria

    C. Pflügl, M. Austerer, S. Golka, W. Schrenk, A.M. Andrews, T. Roch & G. Strasser

Authors
  1. C. Pflügl
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  2. M. Austerer
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  3. S. Golka
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  4. W. Schrenk
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  5. A.M. Andrews
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  6. T. Roch
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  7. G. Strasser
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Corresponding author

Correspondence to M. Austerer.

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PACS

42.55.Px; 42.65.Ky; 81.05.Ea

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Pflügl, C., Austerer, M., Golka, S. et al. Second-harmonic generation in three-well and bound-to-continuum GaAs-based quantum-cascade lasers. Appl. Phys. B 85, 231–234 (2006). https://doi.org/10.1007/s00340-006-2302-2

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  • DOI: https://doi.org/10.1007/s00340-006-2302-2

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