Electroluminescent cooling in intracavity light emitters: modeling and experiments

  • Toufik Sadi
  • Pyry Kivisaari
  • Jonna Tiira
  • Ivan Radevici
  • Tuomas Haggren
  • Jani Oksanen
Article
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Part of the following topical collections:
  1. 2017 Numerical Simulation of Optoelectronic Devices

Abstract

We develop a coupled electronic charge and photon transport simulation model to allow for deeper analysis of our recent experimental studies of intracavity double diode structures (DDSs). The studied structures consist of optically coupled AlGaAs/GaAs double heterojunction light emitting diode (LED) and GaAs p–n-homojunction photodiode (PD) structure, integrated as a single semiconductor device. The drift–diffusion formalism for charge transport and an optical model, coupling the LED and the PD, are self-consistently applied to complement our experimental work on the evaluation of the efficiency of these DDSs. This is to understand better their suitability for electroluminescent cooling (ELC) demonstration, and shed further light on electroluminescence and optical energy transfer in the structures. The presented results emphasize the adverse effect of non-radiative recombination on device efficiency, which is the main obstacle for achieving ELC in III-V semiconductors.

Keywords

Electroluminescent cooling Intracavity light emitters III-As Light-emitting diodes Photodiodes 
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Notes

Acknowledgements

We acknowledge funding from the Academy of Finland and the European Research Council under the Horizon 2020 research and innovation programme (grant agreement No 638173).

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2017

Authors and Affiliations

  • Toufik Sadi
    • 1
  • Pyry Kivisaari
    • 1
    • 2
  • Jonna Tiira
    • 1
  • Ivan Radevici
    • 1
  • Tuomas Haggren
    • 1
  • Jani Oksanen
    • 1
  1. 1.Department of Neuroscience and Biomedical EngineeringAalto UniversityAaltoFinland
  2. 2.Division of Solid State Physics and NanoLundLund UniversityLundSweden

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