| Autor: |
Munsch, Mathieu, Malik, Nitin S., Gregersen, Niels, Bleuse, Joël, Dupuy, Emmanuel, Delga, Adrien, Mørk, Jesper, Gérard, Jean-Michel, Claudon, Julien |
| Rok vydání: |
2012 |
| Předmět: |
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| DOI: |
10.48550/arxiv.1209.5269 |
| Popis: |
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 adiabatic expansion of this mode within a conical taper. Numerical simulations highlight the outstanding performance and robustness of this concept. As a first application in the field of quantum optics, we report the realisation of an ultra-bright single-photon source. The device, a GaAs photonic trumpet containing few InAs quantum dots, demonstrates a first-lens external efficiency of $0.75 \pm 0.1$. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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