Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Lucivero, Vito Giovanni"'
Autor:
Zanoni, Andrea, Mouloudakis, Kostas, Tayler, Michael C. D., Corrielli, Giacomo, Osellame, Roberto, Mitchell, Morgan W., Lucivero, Vito Giovanni
We demonstrate a sensitive optically-pumped magnetometer using rubidium vapor and 0.75 amg of nitrogen buffer gas in a sub-mm-width sensing channel excavated by femtosecond laser writing followed by chemical etching. The channel is buried less than 1
Externí odkaz:
http://arxiv.org/abs/2404.14345
Autor:
Ruiz, María Hernández, Ma, Yintao, Medhat, Hana, Mazzinghi, Chiara, Lucivero, Vito Giovanni, Mitchell, Morgan W.
We demonstrate continuous Pound-Drever-Hall (PDH) nondestructive monitoring of the electron spin polarization of an atomic vapor in a microfabricated vapor cell within an optical resonator. The two-chamber silicon and glass cell contains $^{87}$Rb an
Externí odkaz:
http://arxiv.org/abs/2312.12256
Publikováno v:
Phys. Rev. Lett. 131, 133602 (2023)
We study the use of squeezed probe light and evasion of measurement back-action to enhance the sensitivity and measurement bandwidth of an optically-pumped magnetometer (OPM) at sensitivity-optimal atom number density. By experimental observation, an
Externí odkaz:
http://arxiv.org/abs/2308.12933
Autor:
Zanoni, Andrea, Mouloudakis, Kostas, Tayler, Michael C. D., Corrielli, Giacomo, Osellame, Roberto, Mitchell, Morgan W., Lucivero, Vito Giovanni
Publikováno v:
Journal of Applied Physics; 10/14/2024, Vol. 136 Issue 14, p1-6, 6p
Autor:
Lucivero, Vito Giovanni, Zanoni, Andrea, Corrielli, Giacomo, Osellame, Roberto, Mitchell, Morgan W.
Publikováno v:
Opt. Express 30, 27149-27163 (2022)
We report the fabrication of alkali-metal vapor cells using femtosecond laser machining. This laser-written vapor-cell (LWVC) technology allows arbitrarily-shaped 3D interior volumes and has potential for integration with photonic structures and opti
Externí odkaz:
http://arxiv.org/abs/2202.09213
Akademický článek
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Autor:
Kong, Jia, Jiménez-Martínez, Ricardo, Troullinou, Charikleia, Lucivero, Vito Giovanni, Mitchell, Morgan W.
Publikováno v:
Nat Commun 11, 2415 (2020)
Quantum technologies use entanglement to outperform classical technologies, and often employ strong cooling and isolation to protect entangled entities from decoherence by random interactions. Here we show that the opposite strategy - promoting rando
Externí odkaz:
http://arxiv.org/abs/1804.07818
Autor:
Jiménez-Martínez, Ricardo, Kolodynski, Jan, Troullinou, Charikleia, Lucivero, Vito Giovanni, Kong, Jia, Mitchell, Morgan W.
Publikováno v:
Phys. Rev. Lett. 120, 040503 (2018)
We study causal waveform estimation (tracking) of time-varying signals in a paradigmatic atomic sensor, an alkali vapor monitored by Faraday rotation probing. We use Kalman filtering, which optimally tracks known linear Gaussian stochastic processes,
Externí odkaz:
http://arxiv.org/abs/1707.08131
Autor:
Lucivero, Vito Giovanni, Dimic, Aleksandra, Kong, Jia, Jiménez-Martínez, Ricardo, Mitchell, Morgan W.
Publikováno v:
Phys. Rev. A 95, 041803 (2017)
We study the fundamental limits of noise spectroscopy using estimation theory, Faraday rotation probing of an atomic spin system, and squeezed light. We find a simple and general expression for the Fisher information, which quantifies the sensitivity
Externí odkaz:
http://arxiv.org/abs/1610.02356
Publikováno v:
Phys. Rev. A 93, 053802 (2016)
We report quantum enhancement of Faraday rotation spin noise spectroscopy by polarization squeezing of the probe beam. Using natural abundance Rb in 100 Torr of N_2 buffer gas, and squeezed light from a sub-threshold optical parametric oscillator sta
Externí odkaz:
http://arxiv.org/abs/1509.05653