Epitaxial lift-off for solid-state cavity quantum electrodynamics

Greuter, Lukas and Najer, Daniel and Kuhlmann, Andreas V. and Valentin, Sascha R. and Ludwig, Arne and Wieck, Andreas D. and Starosielec, Sebastian and Warburton, Richard J.. (2015) Epitaxial lift-off for solid-state cavity quantum electrodynamics. Journal of applied physics, 118 (7). 075705.

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Official URL: http://edoc.unibas.ch/40719/

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We demonstrate an approach to incorporate self-assembled quantum dots into a Fabry-Pérot-like microcavity. Thereby, a 3λ/4 GaAs layer containing quantum dots is epitaxially removed and attached by van der Waals bonding to one of the microcavity mirrors. We reach a finesse as high as 4100 with this configuration limited by the reflectivity of the dielectric mirrors and not by scattering at the semiconductor-mirror interface, demonstrating that the epitaxial lift-off procedure is a promising procedure for cavity quantum electrodynamics in the solid state. As a first step in this direction, we demonstrate a clear cavity-quantum dot interaction in the weak coupling regime with a Purcell factor in the order of 3. Estimations of the coupling strength via the Purcell factor suggest that we are close to the strong coupling regime.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Experimental Physics (Warburton)
UniBasel Contributors:Warburton, Richard J and Greuter, Lukas and Najer, Daniel and Kuhlmann, Andreas and Starosielec, Sebastian
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Institute of Physics
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:30 Jun 2016 11:01
Deposited On:10 May 2016 13:59

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