A 3D Polymeric Platform for Photonic Quantum Technologies

Year: 2020

Authors: Colautti M., Lombardi P., Trapuzzano M., Piccioli F., Pazzagli S., Tiribilli S., Nocentini S., Cataliotti F.S., Wiersma D.S., Toninelli C.

Autors Affiliation: European Lab Non Linear Spect LENS, Via Nello Carrara 1, I-50019 Sesto Fiorentino, Italy; Univ Firenze, Dipartimento Fis & Astron, Via G Sansone 1, I-50019 Sesto Fiorentino, Italy; Natl Inst Opt CNR INO, Largo Enrico Fermi 6, I-50125 Florence, Italy; Inst Complex Syst CNR ISC, Via Madonna Piano 10, I-50019 Florence, Italy; Ist Nazl Ric Metrol INRiM, IT-10135 Turin, Italy.

Abstract: The successful development of future photonic quantum technologies will much depend on the possibility of realizing robust and scalable nanophotonic devices. These should include quantum emitters like on-demand single-photon sources and non-linear elements, provided their transition linewidth is broadened only by spontaneous emission. However, conventional strategies to on-chip integration, based on lithographic processes in semiconductors, are typically detrimental to the coherence properties of the emitter. Moreover, such approaches are difficult to scale and bear limitations in terms of geometries. Here an alternative platform is discussed, based on molecules that preserve near-Fourier-limited fluorescence even when embedded in polymeric photonic structures. 3D patterns are achieved via direct laser writing around selected molecular emitters, with a fast, inexpensive, and scalable fabrication process. By using an integrated polymeric design, detected photon counts of about 2.4 Mcps from a single cold molecule are reported. The proposed technology will allow for competitive organic quantum devices, including integrated multi-photon interferometers, arrays of indistinguishable single-photon sources, and hybrid electro-optical nanophotonic chips.

Journal/Review: ADVANCED QUANTUM TECHNOLOGIES

Volume: 3 (7)      Pages from: 2000004-1  to: 2000004-10

More Information: The authors acknowledge and thank Hengsbach Stefan and Bade Klaus from the Institute of Microstructure Technology (MIT) in Karlsruhe, for the useful discussions and insights on the fabrication process. This project has received funding from the EraNET Cofund Initiatives QuantERA within the European Union´s Horizon 2020 research and innovation program grant agreement No. 731473 (project ORQUID), and from the project EMPIR 17FUN06 SIQUST. M.C. acknowledges the Karlsruhe Nano Micro Facility (KNMF) for the access to fabricaYKNMF proposals 2018-019-021009 and 2019-021-025773.
KeyWords: direct laser writing, integrated optics, quantum emitter, single molecule, single photon sources
DOI: 10.1002/qute.202000004

Citations: 18
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