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Main Title: | A bright triggered twin-photon source in the solid state |
Author(s): | Heindel, Tobias Thoma, Alexander Helversen, Martin von Schmidt, Marco Schlehahn, Alexander Gschrey, Manuel Schnauber, Peter Schulze, Jan-Hindrik Strittmatter, André Beyer, Jörn Rodt, Sven Carmele, Alexander Knorr, Andreas Reitzenstein, Stephan |
Type: | Article |
URI: | https://depositonce.tu-berlin.de/handle/11303/12428 http://dx.doi.org/10.14279/depositonce-11270 |
License: | https://creativecommons.org/licenses/by/4.0/ |
Abstract: | A non-classical light source emitting pairs of identical photons represents a versatile resource of interdisciplinary importance with applications in quantum optics and quantum biology. To date, photon twins have mostly been generated using parametric downconversion sources, relying on Poissonian number distributions, or atoms, exhibiting low emission rates. Here we propose and experimentally demonstrate the efficient, triggered generation of photon twins using the energy-degenerate biexciton–exciton radiative cascade of a single semiconductor quantum dot. Deterministically integrated within a microlens, this nanostructure emits highly correlated photon pairs, degenerate in energy and polarization, at a rate of up to (234±4) kHz. Furthermore, we verify a significant degree of photon indistinguishability and directly observe twin-photon emission by employing photon-number-resolving detectors, which enables the reconstruction of the emitted photon number distribution. Our work represents an important step towards the realization of efficient sources of twin-photon states on a fully scalable technology platform. |
Subject(s): | quantum dots quantum optics single photons and quantum effects |
Issue Date: | 3-Apr-2017 |
Date Available: | 13-Jan-2021 |
Language Code: | en |
DDC Class: | 530 Physik |
Sponsor/Funder: | BMBF, 03V0630, Entwicklung einer Halbleiterbasierten Einzelphotonenquelle für die Quanteninformationstechnologie |
Journal Title: | Nature Communications |
Publisher: | Springer Nature |
Volume: | 8 |
Article Number: | 14870 |
Publisher DOI: | 10.1038/ncomms14870 |
EISSN: | 2041-1723 |
TU Affiliation(s): | Fak. 2 Mathematik und Naturwissenschaften » Inst. Festkörperphysik » AG Optoelektronik und Quantenbauelemente |
Appears in Collections: | Technische Universität Berlin » Publications |
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