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Electric-Field Sensing with a Scanning Fiber-Coupled Quantum Dot

Cadeddu, Davide and Munsch, Mathieu and Rossi, Nicola and Gerard, Jean-Michel and Claudon, Julien and Warburton, Richard J. and Poggio, Martino. (2017) Electric-Field Sensing with a Scanning Fiber-Coupled Quantum Dot. Physical Review Applied, 8 (3). 031002.

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Official URL: http://edoc.unibas.ch/56227/

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Abstract

We demonstrate the application of a fiber-coupled quantum dot (QD) in a tip as a scanning probe for electric-field imaging. We map the out-of-plane component of the electric field induced by a pair of electrodes by the measurement of the quantum-confined Stark effect induced on a QD spectral line. Our results are in agreement with finite-element simulations of the experiment. Furthermore, we present results from analytic calculations and simulations which are relevant to any electric-field sensor embedded in a dielectric tip. In particular, we highlight the impact of the tip geometry on both the resolution and sensitivity.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Experimental Physics (Warburton)
05 Faculty of Science > Departement Physik > Physik > Nanotechnologie Argovia (Poggio)
UniBasel Contributors:Poggio, Martino and Cadeddu, Davide and Munsch, Mathieu and Rossi, Nicola and Warburton, Richard J
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Physical Society
ISSN:2331-7019
Note:Publication type according to Uni Basel Research Database: Journal article
Language:English
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Last Modified:27 Jul 2018 13:32
Deposited On:04 Oct 2017 12:20

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