Abstract
We demonstrate an electrically tunable two dimensional photonic crystal nanocavity containing InAs self-assembled quantum dots (QDs). Photoluminescence and electroluminescence measurements are combined to probe the cavity mode structure and demonstrate a local electrical contact to the quantum dots. Measurements performed as a function of the electric field enable us to probe the capture, relaxation, and recombination dynamics of photogenerated carriers inside the quantum dots emitting into a modified photonic environment. Furthermore, the two dimensional photonic crystal is probed by spatially dependent photocurrent spectroscopy indicating a 3.5× enhancement of the local radiative lifetime of the QDs inside the photonic crystal environment.
References
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Dates
Type | When |
---|---|
Created | 17 years, 9 months ago (Nov. 14, 2007, 6:19 p.m.) |
Deposited | 2 years, 2 months ago (July 2, 2023, 12:24 p.m.) |
Indexed | 1 month, 1 week ago (July 30, 2025, 6:50 a.m.) |
Issued | 17 years, 9 months ago (Nov. 12, 2007) |
Published | 17 years, 9 months ago (Nov. 12, 2007) |
Published Online | 17 years, 9 months ago (Nov. 14, 2007) |
Published Print | 17 years, 9 months ago (Nov. 12, 2007) |
@article{Hofbauer_2007, title={Electrically probing photonic bandgap phenomena in contacted defect nanocavities}, volume={91}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.2812576}, DOI={10.1063/1.2812576}, number={20}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Hofbauer, F. and Grimminger, S. and Angele, J. and Böhm, G. and Meyer, R. and Amann, M. C. and Finley, J. J.}, year={2007}, month=nov }