Single organic molecules for photonic quantum technologies

Year: 2021

Authors: Toninelli C.; Gerhardt I.; Clark A. S.; Reserbat-Plantey A.; Gtztzinger S.; Ristanovic Z.; Colautti M.; Lombardi P.; Major K. D.; Deperasi’ska I.; Pernice W. H.; Koppens F. H.L.; Kozankiewicz B.; Gourdon A.; Sandoghdar V.; Orrit M.

Autors Affiliation: Barcelona Institute of Science and Technology (BIST); Max Planck Institute for the Science of Light; Kamerlingh Onnes Laboratorium; LENS – European Laboratory for Non-Linear Spectroscopy; Instituciu Catalana de Recerca i Estudis Avanzats; CEMES Centre d?Elaboration de Matyriaux et d?Etudes Structurales; Imperial College London; Institute of Physics of the Polish Academy of Sciences; CNR – Istituto Nazionale di Ottica; Friedrich-Alexander-Universitdt Erlangen-N

Abstract: Isolating single molecules in the solid state has allowed fundamental experiments in basic and applied sciences. When cooled down to liquid helium temperature, certain molecules show transition lines that are tens of megahertz wide, limited by only the excited-state lifetime. The extreme flexibility in the synthesis of organic materials provides, at low costs, a wide palette of emission wavelengths and supporting matrices for such single chromophores. In the past few decades, their controlled coupling to photonic structures has led to an optimized interaction efficiency with light. Molecules can hence be operated as single-photon sources and as nonlinear elements with competitive performance in terms of coherence, scalability and compatibility with diverse integrated platforms. Moreover, they can be used as transducers for the optical read-out of fields and material properties, with the promise of single-quanta resolution in the sensing of charges and motion. We show that quantum emitters based on single molecules hold promise to play a key role in the development of quantum science and technologies. This Review discusses the photophysical properties and nonlinear behaviour of single molecules, and their use as single-photon sources and in single-molecule sensing and quantum-sensing applications.

Journal/Review: NATURE MATERIALS

Volume: 20 (12)      Pages from: 1615  to: 1628

More Information: This project has received funding from the EraNET Cofund Initiatives QuantERA within the European Union´s Horizon 2020 research and innovation programme grant agreement no. 731473 (project ORQUID). A.S.C. acknowledges a University Research Fellowship from the Royal Society (UF160475) and funding from the EPSRC (EP/P030130/1, EP/P01058X/1 and EP/R044031/1). W.H.P. and I.G. acknowledge funding from the Deutsche Forschungs gemeinschaft (DFG) – Projektnummer 332724366 and GE2737/5-1, respectively. F.H.L.K. and A.R.-P. acknowledge support from the Government of Spain (FIS2016-81044; Severo Ochoa CEX2019-000910-S), Fundacio Cellex, Fundacio Mir-Puig, and Generalitat de Catalunya (CERCA, AGAUR, SGR 1656). Furthermore, the research leading to these results has received funding from the European Union´s Horizon 2020 under grant agreement no. 820378 (Quantum Flagship). We thank A. Moradi for discussions and NWO (The Dutch Research Council) for funding of his PhD grant on sensing of single charges. C.T. thanks A. Renn for always useful discussions.
KeyWords: quantum technologies
DOI: 10.1038/s41563-021-00987-4

Citations: 67
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