Photostable molecules on chip: integrated single photon sources for quantum technologies

P. E. Lombardi; A. P. Ovvyan; S. Pazzagli; G. Mazzamuto; G. Kewes; O. Neitzke; N. Gruhler; O. Benson; W. H. P. Pernice; F. S. Cataliotti; C. Toninelli

arXiv · 1701.00459

Photostable molecules on chip: integrated single photon sources for quantum technologies

P. E. Lombardi·A. P. Ovvyan·S. Pazzagli·G. Mazzamuto·G. Kewes·O. Neitzke·N. Gruhler·O. Benson·W. H. P. Pernice·F. S. Cataliotti·C. Toninelli

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Abstract

The on-chip integration of quantum light sources and nonlinear elements poses a serious challenge to the development of a scalable photonic platform for quantum information and communication. In this work we demonstrate the potential of a novel hybrid technology which combines single organic molecules as quantum emitters and dielectric chips, consisting of ridge waveguides and grating far-field couplers. Dibenzoterrylene molecules in thin anthracene crystals exhibit long-term photostability, easy fabrication methods, almost unitary quantum yield and life-time limited emission at cryogenic temperatures. We couple such single emitters to silicon nitride ridge waveguide with a coupling efficiency of up to 42+/-2 %, considering both propagation directions. The platform is devised to support both on-chip and free-space single photon processing.

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P. E. Lombardi, A. P. Ovvyan, S. Pazzagli, G. Mazzamuto, G. Kewes, O. Neitzke, N. Gruhler, O. Benson, W. H. P. Pernice, F. S. Cataliotti, C. Toninelli. 2017-04-19. Photostable molecules on chip: integrated single photon sources for quantum technologies. https://arxiv.org/abs/1701.00459

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