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Proceedings Paper

Photostable molecules on chip: integrated single photon sources for quantum technologies (Conference Presentation)
Author(s): Costanza Toninelli; Pietro E. Lombardi; Anna P. Ovvyan; Sofia Pazzagli; Giacomo Mazzamuto; Günter Kewes; Oliver Neitzke; Nico Gruhler; Oliver Benson; Wolfram H. P. Pernice; Francesco S. Cataliotti

Paper Abstract

Efficient quantum light sources and non-linear optical elements at the few photon level are the basic ingredients for most applications in nano and quantum technologies. On the other hand, a scalable platform for quantum ICT typically requires reliable light matter interfaces and on-chip integration. In this work we demonstrate the potential of a novel hybrid technology which combines single organic molecules as quantum emitters and dielectric chips [1]. Dibenzoterrylene molecules in anthracene crystals (DBT:Ac) are particularly suitable quantum systems for this task, since they exhibit long-term photostability in thin samples [2], easy fabrication methods and life-time limited emission at cryogenic temperatures [3]. We demonstrate at room temperature the emission of single photons from DBT molecules into ridge waveguides with a branching ratio up to 40%. The overall single-photon source efficiency, including emission into the guided mode, propagation losses, and emission into a quasi-gaussian mode in free space, is estimated around 16%. These results are competitive with state-of-the-art single photon emission into propagating guided modes from solid state systems [4], while offering a novel platform with unprecedented versatility. References [1] P. Lombardi et al., Arxiv: 1701.00459v1 (2017). [2] C. Toninelli et al., Opt. Express 18, 6577 (2010). [3] A. A. L. Nicolet et al., ChemPhysChem 8, 1929 (2007). [4] I. Zadeh et al., Nano Lett. 16, 2289 (2016); R. S. Daveau et al., Arxiv: 1610.08670v1 (2016). [5] J. Hwang et. al., New J. Phys. 13, 085009 (2011); H.-W. Lee et al., Phys. Rev. A 63, 012305 (2000).

Paper Details

Date Published: 3 October 2017
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Proc. SPIE 10358, Quantum Photonic Devices, 103580C (3 October 2017); doi: 10.1117/12.2275257
Show Author Affiliations
Costanza Toninelli, Istituto Nazionale di Ottica, CNR (Italy)
Lab. Europeo di Spettroscopie Non-Lineari (Italy)
Pietro E. Lombardi, Lab. Europeo di Spettroscopie Non-Lineari, CNR (Italy)
Anna P. Ovvyan, Westfälische Wilhelms-Univ. Münster (Germany)
Sofia Pazzagli, LENS - Lab. Europeo di Spettroscopie Non-Lineari (Italy)
Giacomo Mazzamuto, LENS - Lab. Europeo di Spettroscopie Non-Lineari (Italy)
Günter Kewes, Humboldt-Univ. zu Berlin (Germany)
Oliver Neitzke, Humboldt-Univ. zu Berlin (Germany)
Nico Gruhler, Westfälische Wilhelms-Univ. Münster (Germany)
Oliver Benson, Humboldt-Univ. zu Berlin (Germany)
Wolfram H. P. Pernice, Westfälische Wilhelms-Univ. Münster (Germany)
Francesco S. Cataliotti, LENS - Lab. Europeo di Spettroscopie Non-Lineari (Italy)


Published in SPIE Proceedings Vol. 10358:
Quantum Photonic Devices
Cesare Soci; Mario Agio; Kartik Srinivasan, Editor(s)

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