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Quantum Optics with Near-Lifetime-Limited Quantum-Dot Transitions in a Nanophotonic Waveguide

Thyrrestrup, Henri and Kirsanske, Gabija and Le Jeannic, Hanna and Pregnolato, Tommaso and Zhai, Liang and Raahauge, Laust and Midolo, Leonardo and Rotenberg, Nir and Javadi, Alisa and Schott, Ruediger and Wieck, Andreas D. and Ludwig, Arne and Loebl, Matthias C. and Soellner, Immo and Warburton, Richard J. and Lodahl, Peter. (2018) Quantum Optics with Near-Lifetime-Limited Quantum-Dot Transitions in a Nanophotonic Waveguide. Nano Letters, 18 (3). pp. 1801-1806.

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Official URL: https://edoc.unibas.ch/68122/

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Abstract

Establishing a highly efficient photon-emitter interface where the intrinsic linewidth broadening is limited solely by spontaneous emission is a key step in quantum optics. It opens a pathway to coherent light–matter interaction for, e.g., the generation of highly indistinguishable photons, few-photon optical nonlinearities, and photon-emitter quantum gates. However, residual broadening mechanisms are ubiquitous and need to be combated. For solid-state emitters charge and nuclear spin noise are of importance, and the influence of photonic nanostructures on the broadening has not been clarified. We present near-lifetime-limited linewidths for quantum dots embedded in nanophotonic waveguides through a resonant transmission experiment. It is found that the scattering of single photons from the quantum dot can be obtained with an extinction of 66 ± 4%, which is limited by the coupling of the quantum dot to the nanostructure rather than the linewidth broadening. This is obtained by embedding the quantum dot in an electrically contacted nanophotonic membrane. A clear pathway to obtaining even larger single-photon extinction is laid out; i.e., the approach enables a fully deterministic and coherent photon-emitter interface in the solid state that is operated at optical frequencies.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Experimental Physics (Warburton)
UniBasel Contributors:Warburton, Richard J and Zhai, Liang and Javadi, Alisa and Löbl, Matthias and Söllner, Immo
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Chemical Society
ISSN:1530-6984
e-ISSN:1530-6992
Note:Publication type according to Uni Basel Research Database: Journal article
Language:English
Identification Number:
Last Modified:16 Apr 2019 08:36
Deposited On:16 Apr 2019 08:36

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