Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Guerandel, Stephane"'
Autor:
Guérandel, Stéphane, Cotxet, Jérémie, Gutty, François, Baili, Ghaya, Morvan, Loïc, Dolfi, Daniel, Holleville, David
Publikováno v:
IFCS-EFTF Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium, May 2023, Toyama, Japan
We demonstrate, for the first time, Ramsey CPT spectroscopy with a miniature electro-optical bench associated to a dual-frequency generator based on combined optical injection locking and optical phase locking techniques Preliminary results show Rams
Externí odkaz:
http://arxiv.org/abs/2311.11739
Autor:
Yun, Peter, Li, Qinglin, Hao, Qiang, Liu, Guobin, de Clercq, Emeric, Guérandel, Stéphane, Liu, Xiaochi, Gu, Sihong, Gao, Yuping, Zhang, Shougang
Publikováno v:
Metrologia 58, 045001 (2021)
The coherent population trapping (CPT) atomic clock is very promising for use in next-generation spaceborne applications owing to its compactness and high performance. In this paper, we propose and implement a CPT atomic clock based on the direct mod
Externí odkaz:
http://arxiv.org/abs/2103.00707
Autor:
Hafiz, Moustafa Abdel, Coget, Grégoire, Yun, Peter, Guérandel, Stéphane, de Clercq, Emeric, Boudot, Rodolphe
Publikováno v:
Journal of Applied Physics 121, 104903 (2017)
We demonstrate a high-performance coherent-population-trapping (CPT) Cs vapor cell atomic clock using the push-pull optical pumping technique (PPOP) in the pulsed regime, allowing the detection of high-contrast and narrow Ramsey-CPT fringes. The impa
Externí odkaz:
http://arxiv.org/abs/1703.04720
Autor:
Yun, Peter, Tricot, François, Calosso, Claudio Eligio, Micalizio, Salvatore, François, Bruno, Boudot, Rodolphe, Guérandel, Stéphane, de Clercq, Emeric
Publikováno v:
Phys. Rev. Applied 7, 014018 (2017)
We demonstrate a vapor cell atomic clock prototype based on continuous-wave (CW) interrogation and double-modulation coherent population trapping (DM-CPT) technique. The DM-CPT technique uses a synchronous modulation of polarization and relative phas
Externí odkaz:
http://arxiv.org/abs/1610.00170
Coherent population trapping (CPT) is extensively studied for future vapor cell clocks of high frequency stability. In the constructive polarization modulation CPT scheme, a bichromatic laser field with polarization and phase synchronously modulated
Externí odkaz:
http://arxiv.org/abs/1606.04375
Autor:
Hafiz, Moustafa Abdel, Maurice, Vincent, Chutani, Ravinder, Passilly, Nicolas, Gorecki, Christophe, Guérandel, Stéphane, de Clercq, Emeric, Boudot, Rodolphe
Publikováno v:
Journ. Appl. Phys. 117, 184901 (2015)
We report the realization and characterization using coherent population trapping (CPT) spectroscopy of an octadecyltrichlorosilane (OTS)-coated centimeter-scale Cs vapor cell. The dual-structure of the resonance lineshape, with presence of a narrow
Externí odkaz:
http://arxiv.org/abs/1505.02264
Publikováno v:
IEEE Trans. Ultrason. Ferroelectr. Freq. Control, vol. 61, no 4, pp. 567-574, april 2014
The Dick effect can be a limitation of the achievable frequency stability of a passive atomic frequency standard when the ancillary frequency source is only periodically sampled. Here we analyze the Dick effect for a pulsed vapor cell clock using coh
Externí odkaz:
http://arxiv.org/abs/1406.6673
Publikováno v:
IEEE Transactions on Instrumentation and Measurement, vol. 63, no 7, pp. 1863-1870, july 2014
Vapor cell atomic clocks exhibit reduced frequency stability for averaging time between about one hundred and a few thousand seconds. Here we report a study on the impact of the main parameters on the mid-to-long term instability of a buffer-gas vapo
Externí odkaz:
http://arxiv.org/abs/1311.1991
Publikováno v:
Optics Express, 21, 10, pp 12451-12459 (2013)
We report the detection of high-contrast and narrow Coherent Population Trapping (CPT) Ramsey fringes in a Cs vapor cell using a simple-architecture laser system. The latter allows the combination of push-pull optical pumping (PPOP) and a temporal Ra
Externí odkaz:
http://arxiv.org/abs/1305.7321
Autor:
Liu, Xiaochi, Mérolla, Jean-Marc, Guérandel, Stéphane, Gorecki, Christophe, de Clercq, Emeric, Boudot, Rodolphe
Publikováno v:
from Phys. Rev. A 87, 013416 (2013)
We report on a theoretical study and experimental characterization of coherent population trapping (CPT) resonances in buffer gas-filled vapor cells with push-pull optical pumping (PPOP) on Cs D1 line. We point out that the push-pull interaction sche
Externí odkaz:
http://arxiv.org/abs/1302.3724