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Akademický článek

Creation and dynamics of spin fluctuations in a noisy magnetic field

Autor: J Delpy, S Liu, P Neveu, C Roussy, Th Jolicoeur, F Bretenaker, F Goldfarb

Publikováno v: New Journal of Physics, Vol 25, Iss 9, p 093055 (2023)

We theoretically and numerically investigate the spin fluctuations induced in a thermal atomic ensemble by an external fluctuating uniaxial magnetic field, in the context of a standard spin noise spectroscopy (SNS) experiment. We show that additional

Externí odkaz: https://doaj.org/article/6ca9275276394ba3bf544abfe7c2554c

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Akademický článek

Birefringence and dichroism effects in the spin noise spectra of a spin-1 system

Autor: S Liu, P Neveu, J Delpy, L Hemmen, E Brion, E Wu, F Bretenaker, F Goldfarb

Publikováno v: New Journal of Physics, Vol 24, Iss 11, p 113047 (2022)

We perform spin noise spectroscopy experiments in metastable helium atoms at room temperature, with a probe light whose frequency is blue detuned from the D _0 line. Both circular birefringence fluctuations (Faraday noise) and linear birefringence fl

Externí odkaz: https://doaj.org/article/ee0661fda7f042c6b12223c51f8a03d7

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Spin-noise spectroscopy of a spin-one system

Autor: S. Liu, P. Neveu, J. Delpy, E. Wu, F. Bretenaker, F. Goldfarb

Publikováno v: Physical Review A. 107

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8dfb04fba3a9a555c804cbeef599307b
https://doi.org/10.1103/physreva.107.023527

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Spin-noise spectroscopy of optical light shifts

Autor: J. Delpy, S. Liu, P. Neveu, E Wu, F. Bretenaker, F. Goldfarb

Publikováno v: Physical Review A. 107

Light induced non-equilibrium spin noise spectroscopy is theoretically and experimentally shown to be an efficient technique to reveal the structure and the coherent effects in the probed transition. Indeed, using metastable helium, the spin noise sp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::78951d8f41b070825e39a928809e1bb4
https://doi.org/10.1103/physreva.107.l011701

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Generation of squeezed light vacuum enabled by coherent population trapping

Autor: Fabienne Goldfarb, Jasleen Lugani, Fabien Bretenaker, P Neveu, Chitram Banerjee, Etienne Brion, J Delpy, S Liu

Publikováno v: Optics Express
Optics Express, 2021, 29 (7), pp.10471-10479. ⟨10.1364/oe.419495⟩
Optics Express, Optical Society of America-OSA Publishing, 2021, 29 (7), pp.10471-10479. ⟨10.1364/oe.419495⟩

International audience; We demonstrate the possibility to generate squeezed vacuum states of light by four wave mixing (FWM) enabled coherent population trapping in a metastable helium cell at room temperature. Contrary to usual FWM far detuned schem

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b99d241971d4bdfcdc9327eb691d7dd6
https://hal.science/hal-03177053/document

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