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Munsch M, Malik NS, Dupuy E, et al. Dielectric GaAs antenna ensuring an efficient broadband coupling between an InAs quantum dot and a Gaussian optical beam. Phys Rev Lett. 2013;110(17):177402doi: 10.1103/PhysRevLett.110.177402.
Munsch, M., Malik, N. S., Dupuy, E., Delga, A., Bleuse, J., Gérard, J. M., Claudon, J., Gregersen, N., & Mørk, J. (2013). Dielectric GaAs antenna ensuring an efficient broadband coupling between an InAs quantum dot and a Gaussian optical beam. Physical review letters, 110(17), 177402. https://doi.org/10.1103/PhysRevLett.110.177402
Munsch, Mathieu, et al. "Dielectric GaAs antenna ensuring an efficient broadband coupling between an InAs quantum dot and a Gaussian optical beam." Physical review letters vol. 110,17 (2013): 177402. doi: https://doi.org/10.1103/PhysRevLett.110.177402
Munsch M, Malik NS, Dupuy E, Delga A, Bleuse J, Gérard JM, Claudon J, Gregersen N, Mørk J. Dielectric GaAs antenna ensuring an efficient broadband coupling between an InAs quantum dot and a Gaussian optical beam. Phys Rev Lett. 2013 Apr 26;110(17):177402. doi: 10.1103/PhysRevLett.110.177402. Epub 2013 Apr 24. PMID: 23679773.
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Phys Rev Lett. 2013 Apr 26;110(17):177402. doi: 10.1103/PhysRevLett.110.177402. Epub 2013 Apr 24.

Dielectric GaAs antenna ensuring an efficient broadband coupling between an InAs quantum dot and a Gaussian optical beam.

Physical review letters

Mathieu Munsch, Nitin S Malik, Emmanuel Dupuy, Adrien Delga, Joël Bleuse, Jean-Michel Gérard, Julien Claudon, Niels Gregersen, Jesper Mørk

Affiliations

  1. CEA-CNRS-UJF Group, Nanophysique et Semiconducteurs, CEA, INAC, SP2M, F-38054 Grenoble, France.

PMID: 23679773 DOI: 10.1103/PhysRevLett.110.177402

Abstract

We introduce the photonic trumpet, a dielectric structure which ensures a nearly perfect coupling between an embedded quantum light source and a Gaussian free-space beam. A photonic trumpet exploits both the broadband spontaneous emission control provided by a single-mode photonic wire and the expansion of this mode within a conical taper. Numerical simulations highlight the performance and robustness of this concept. As a first application in the field of quantum optics, we report the realization of an ultrabright single-photon source. The device, a high aspect ratio GaAs photonic trumpet containing a few InAs quantum dots, demonstrates a first-lens external efficiency of 0.75±0.1 and an external coupling efficiency to a Gaussian beam as high as 0.58±0.08.

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