Internal Stark effect of single-molecule fluorescence

Autor: Kirill Vasilev, Benjamin Doppagne, Tomáš Neuman, Anna Rosławska, Hervé Bulou, Alex Boeglin, Fabrice Scheurer, Guillaume Schull

Publikováno v: Nature Communications, Vol 13, Iss 1, Pp 1-8 (2022)

The internal Stark effect, a shift of the spectral lines of a chromophore induced by electrostatic fields in its close environment, plays an important role in nature. Here the authors observe a Stark shift in the fluorescence spectrum of a phthalocya

Externí odkaz: https://doaj.org/article/5deca12482bd4872b6ad44b6438d9424

Ince-gauss based multiple intermodal phase-matched third-harmonic generations in a step-index silica optical fiber

Autor: Kamel Bencheikh, Patricia Segonds, Corinne Felix, Adrien Borne, Juan Ariel Levenson, Tomotaka Katsura, Benjamin Doppagne, Benoît Boulanger

Publikováno v: Optics Communications
Optics Communications, Elsevier, 2016, 358, pp.160-163. ⟨10.1016/j.optcom.2015.09.046⟩

Several third-harmonic generation processes were performed in a single step-index germanium-doped silica optical fiber under intermodal phase-matching conditions. The nanosecond fundamental beam range between 1400 and 1600 nm. The transverse distribu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8657468447f2520fa2c819076110f9da
https://doi.org/10.1016/j.optcom.2015.09.046

Fano Description of Single-Hydrocarbon Fluorescence Excited by a Scanning Tunneling Microscope

Autor: Jörg Kröger, Benjamin Doppagne, Fabrice Scheurer, Guillaume Schull

Publikováno v: Nano Letters
Nano Letters, 2018, 18 (6), pp.3407-3413. ⟨10.1021/acs.nanolett.8b00304⟩

The detection of fluorescence with submolecular resolution enables the exploration of spatially varying photon yields and vibronic properties at the single-molecule level. By placing individual polycyclic aromatic hydrocarbon molecules into the plasm

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::22844f8175a82bd5dd937c5722e00ea3
https://pubmed.ncbi.nlm.nih.gov/29719154

Anisotropy analysis of third-harmonic generation in a germanium-doped silica optical fiber

Autor: Patricia Segonds, Tomotaka Katsura, Corinne Felix, Benoît Boulanger, Adrien Borne, Juan Ariel Levenson, Kamel Bencheikh, Benjamin Doppagne

Publikováno v: Optics Letters
Optics Letters, Optical Society of America-OSA Publishing, 2015, 40 (6), pp.982. ⟨10.1364/OL.40.000982⟩

We performed an intermodal third-harmonic generation around 516 nm in a germanium-doped silica optical fiber. The analysis of the complex polarization behavior that was observed allowed us to determine the orientation symmetry group of the fiber and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96660369a67e7ef70b1af80a5c5762b2
https://hal.archives-ouvertes.fr/hal-01363067

Single-molecule tautomerization tracking through space- and time-resolved fluorescence spectroscopy

Autor: Tomáš Neuman, Guillaume Schull, Michelangelo Romeo, Luis E. Parra López, Ruben Soria-Martinez, Benjamin Doppagne, Stéphane Berciaud, Javier Aizpurua, Fabrice Scheurer, Hervé Bulou

Publikováno v: Nature Nanotechnology
Nature Nanotechnology, 2020, 15 (3), pp.207-211. ⟨10.1038/s41565-019-0620-x⟩
Digital.CSIC. Repositorio Institucional del CSIC
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Nature Nanotechnology, Nature Publishing Group, 2020, 15 (3), pp.207-211. ⟨10.1038/s41565-019-0620-x⟩

Tautomerization, the interconversion between two constitutional molecular isomers, is ubiquitous in nature, plays a major role in chemistry and is perceived as an ideal switch function for emerging molecular-scale devices. Within free-base porphyrin,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::98f787ec987a0ec28da9e08b645ac67f