Zobrazeno 1 - 10
of 160
pro vyhledávání: '"Schmidt, Piet O."'
The use of correlated states and measurements promises improvements in the accuracy of frequency metrology and the stability of atomic clocks. However, developing strategies robust against dominant noise processes remains challenging. We address the
Externí odkaz:
http://arxiv.org/abs/2406.11639
Publikováno v:
Opt. Express 32, 29781-29794 (2024)
We present two distinct ultra-low frequency noise lasers at 729 nm with a fast frequency noise of 30 Hz^2/Hz, corresponding to a Lorentzian linewidth of 0.1 kHz. The characteristics of both lasers, which are based on different types of laser diodes,
Externí odkaz:
http://arxiv.org/abs/2406.08908
Autor:
Chen, Shuying, Spieß, Lukas J., Wilzewski, Alexander, Wehrheim, Malte, Dietze, Kai, Vybornyi, Ivan, Hammerer, Klemens, Lopez-Urrutia, Jose R. Crespo, Schmidt, Piet O.
Optical clocks represent the most precise experimental devices, finding application in fields spanning from frequency metrology to fundamental physics. Recently, the first highly charged ions (HCI) based optical clock was demonstrated using Ar$^{13+}
Externí odkaz:
http://arxiv.org/abs/2406.04015
Autor:
Zawierucha, Maximilian J., Rehmert, Till, Keller, Jonas, Mehlstäubler, Tanja E., Schmidt, Piet O., Wolf, Fabian
The demand for efficient preparation methods for dual-species ion crystals is rapidly expanding across quantum technology and fundamental physics applications with trapped ions. We present a deterministic and efficient technique to produce such cryst
Externí odkaz:
http://arxiv.org/abs/2403.03010
Autor:
Pelzer, Lennart, Dietze, Kai, Martínez-Lahuerta, Víctor J., Krinner, Ludwig, Kramer, Johannes, Dawel, Fabian, Spethmann, Nicolas C. H., Hammerer, Klemens, Schmidt, Piet O.
We present the experimental realization of a continuous dynamical decoupling scheme which suppresses leading frequency shifts in a multi-ion frequency reference based on $^{40}\mathrm{Ca}^+$. By near-resonant magnetic coupling of the $^2\mathrm{S}_{1
Externí odkaz:
http://arxiv.org/abs/2311.13736
Autor:
Dawel, Fabian, Wilzewski, Alexander, Herbers, Sofia, Pelzer, Lennart, Kramer, Johannes, Hild, Marek B., Dietze, Kai, Krinner, Ludwig, Spethmann, Nicolas C. H., Schmidt, Piet O.
Optical resonators are used for the realisation of ultra-stable frequency lasers. The use of high reflectivity multi-band coatings allows the frequency locking of several lasers of different wavelengths to a single cavity. While the noise processes f
Externí odkaz:
http://arxiv.org/abs/2311.11610
Lasers with high spectral purity are indispensable for optical clocks and coherent manipulation of atomic and molecular qubits for applications such as quantum computing and quantum simulation. Stabilisation of the laser to a reference can provide a
Externí odkaz:
http://arxiv.org/abs/2311.03461
Autor:
Rehbehn, Nils-Holger, Rosner, Michael K., Berengut, Julian C., Schmidt, Piet O., Pfeifer, Thomas, Gu, Ming Feng, López-Urrutia, José R. Crespo
Optical frequency metrology in atoms and ions can probe hypothetical fifth-forces between electrons and neutrons by sensing minute perturbations of the electronic wave function induced by them. A generalized King plot has been proposed to distinguish
Externí odkaz:
http://arxiv.org/abs/2309.17141
Autor:
Dijck, Elwin A., Warnecke, Christian, Wehrheim, Malte, Henninger, Ruben B., Eff, Julia, Georgiou, Kostas, Graf, Andrea, Kokh, Stepan, Sajith, Lakshmi P. Kozhiparambil, Mayo, Christopher, Schäfer, Vera M., Volk, Claudia, Schmidt, Piet O., Pfeifer, Thomas, López-Urrutia, José R. Crespo
Publikováno v:
Rev. Sci. Instrum. 94, 083203 (2023)
We implement sympathetic cooling of highly charged ions (HCI) by fully enclosing a linear Paul trap within a superconducting radio-frequency resonator. A quantization magnetic field applied while cooling down into the superconducting state remains pr
Externí odkaz:
http://arxiv.org/abs/2306.01670
Autor:
Kraus, Benjamin, Dawel, Fabian, Hannig, Stephan, Kramer, Johannes, Nauk, Constantin, Schmidt, Piet O.
Providing phase stable laser light is important to extend the interrogation time of optical clocks towards many seconds and thus achieve small statistical uncertainties. We report a laser system providing more than 50 uW phase-stabilized UV light at
Externí odkaz:
http://arxiv.org/abs/2209.01938