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Journal article

Influence of carrier dynamics on the modulation bandwidth of quantum-dot based nanocavity devices

By Lorke, Michael1,2; Nielsen, Torben Roland1,2; Mørk, Jesper1,2

From

Quantum and Laser Photonics, Department of Photonics Engineering, Technical University of Denmark1

Department of Photonics Engineering, Technical University of Denmark2

We theoretically investigate the modulation response of quantum-dot based nanocavity light emitting devices. For high Purcell enhancement factors, our theory predicts the possibility of decreasing the modulation bandwidth with increasing scattering rate into the lasing quantum-dot state. This counterintuitive effect is investigated using a microscopic semiconductor model.

The resulting guidelines for possible optimizations of quantum-dot based nanocavity laser devices are given.

Language: English
Publisher: American Institute of Physics
Year: 2010
ISSN: 10773118 and 00036951
Types: Journal article
DOI: 10.1063/1.3520525
ORCIDs: Mørk, Jesper
Keywords

light emitting diodes quantum dot lasers semiconductor quantum dots

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