Abstract
The progress in optical cooling in recent years is resulting in a renewed interest in electroluminescent (EL) cooling using conventional III-V semiconductor light emitting diodes (LEDs). In this work, we address the limiting factors for observing EL cooling in III-As intracavity double diode structures (DDSs), at high powers at and close to 300K, by using a combination of experimental characterization and physical device models. The studied DDSs incorporate optically-coupled III-As LED and p-n homojunction photodiode (PD) structures, integrated in a single device and providing a favourable environment for EL cooling observation. We employ a modelling framework coupling the drift-diffusion charge transport model to a photon transport model calibrated using measurements on real devices at different temperatures. Results suggest that the bulk properties of the III-V materials are already sufficient for EL cooling.
| Original language | English |
|---|---|
| Title of host publication | 18th International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD 2018 |
| Editors | Joachim Piprek, Aleksandra B. Djurisic |
| Publisher | IEEE Institute of Electrical and Electronic Engineers |
| Pages | 125-126 |
| Number of pages | 2 |
| ISBN (Electronic) | 9781538655993 |
| DOIs | |
| Publication status | Published - 7 Dec 2018 |
| MoE publication type | A4 Article in a conference publication |
| Event | 18th International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD 2018 - Hong Kong, China Duration: 5 Nov 2018 → 9 Nov 2018 |
Conference
| Conference | 18th International Conference on Numerical Simulation of Optoelectronic Devices, NUSOD 2018 |
|---|---|
| Country/Territory | China |
| City | Hong Kong |
| Period | 5/11/18 → 9/11/18 |
Funding
We acknowledge funding from the Academy of Finland and the European Research Council under the Horizon 2020 programme (grant agreement No 638173).
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