Journal
ACS PHOTONICS
Volume 5, Issue 1, Pages 126-132Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsphotonics.7b00521
Keywords
integrated quantum optics; PAH molecules; single-photon sources; hybrid photonics
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Funding
- Erasmus Mundus Doctorate Program Europhotonics [159224-1-2009-1-FR-ERA MUNDUS-EMJD]
- Fondazione Cassa di Risparmio di Firenze (GRANCASSA)
- MIUR program Atom-Based Nanotechnology
- Deutsche Forschungs Gemeinschaft (DFG) within the Collaborative Research Center [(CRC) 951]
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The on-chip integration of quantum light sources and nonlinear elements constitutes a major step toward scalable photon-based quantum information processing and communication In this work we demonstrate the potential of a hybrid technology that combines organic molecule-based quantum emitters and dielectric chips consisting of ridge waveguides and grating far-field couplers. In particular, dibenzoterrylene molecules in thin anthracene crystals are used as single-photon sources, exhibiting long-term photostability, easy fabrication methods, almost unitary quantum yield, and lifetime-limited emission at cryogenic temperatures. We couple such single emitters to silicon nitride ridge waveguides, showing a coupling efficiency of up to 42 +/- 2% over both propagation directions. Our results open a novel path toward a fully integrated and scalable photon processing platform.
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