A Machine Learning Specklegram Wavemeter (MaSWave) Based on a Short Section of Multimode Fiber as the Dispersive Element

OC Inalegwu, REG Ii, J Huang - Sensors, 2023 - mdpi.com
Wavemeters are very important for precise and accurate measurements of both pulses and
continuous-wave optical sources. Conventional wavemeters employ gratings, prisms, and …

Setup for the Ionic Lifetime Measurement of the 229mTh3+ Nuclear Clock Isomer

K Scharl, S Ding, G Holthoff, MI Hussain, S Kraemer… - Atoms, 2023 - mdpi.com
For the realization of an optical nuclear clock, the first isomeric excited state of thorium-229
(229mTh) is currently the only candidate due to its exceptionally low-lying excitation energy …

Tutorial on laser locking techniques and the manufacturing of vapor cells for spectroscopy

M Mäusezahl, F Munkes, R Löw - New Journal of Physics, 2024 - iopscience.iop.org
This tutorial provides a hands-on entry point about laser locking for atomic vapor research
and related research such as laser cooling. We furthermore introduce common materials …

Locking multi-laser frequencies to a precision wavelength meter: Application to cold atoms

J Kim, K Kim, D Lee, Y Shin, S Kang, JR Kim, Y Choi… - Sensors, 2021 - mdpi.com
We herein report a simultaneous frequency stabilization of two 780-nm external cavity diode
lasers using a precision wavelength meter (WLM). The laser lock performance is …

Long term frequency stabilization and frequency drift suppression of the 313 nm laser

WL Bai, WC Peng, QY Zhang, C Wang, ZY Ao… - Chinese Journal of …, 2024 - Elsevier
A 313 nm ultraviolet (UV) laser is stabilized through the Pound–Drever–Hall method, and its
frequency drift is suppressed by a remote frequency drift correction system. The 313 nm …

Ultrafast coherent excitation of an ytterbium ion with single laser pulses

K Shimizu, J Scarabel, E Bridge, S Connell… - Applied Physics …, 2021 - pubs.aip.org
Experimental realizations of two qubit entangling gates with trapped ions typically rely on
addressing spectroscopically resolved motional sidebands, limiting gate speed to the …

Dynamic compensation of stray electric fields in an ion trap using machine learning and adaptive algorithm

M Ghadimi, A Zappacosta, J Scarabel, K Shimizu… - Scientific Reports, 2022 - nature.com
Surface ion traps are among the most promising technologies for scaling up quantum
computing machines, but their complicated multi-electrode geometry can make some tasks …

Frequency stabilization of a 739 nm laser to an I2 spectrum for trapped ytterbium ions

H Wu, P Lu, Y Liu, J Hu, Q Lao, X Rao, L Deng, F Zhu… - JOSA B, 2022 - opg.optica.org
We report on the frequency stabilization of a 739 nm Ti: sapphire laser to a hyperfine
component of the^ 127I_2 B (1)-X (11) P (70) transition using acousto-optic modulation …

Precise and extensive characterization of an optical resonator for cavity-based quantum networks

D Lee, M Kim, J Hong, T Ha, J Kim, S Kang… - Optics …, 2022 - opg.optica.org
Cavity-based quantum node is a competitive platform for distributed quantum networks.
Here, we characterize a high-finesse Fabry-Pérot optical resonator for coupling single or few …

Laser stabilization to neutral Yb in a discharge with polarization-enhanced frequency modulation spectroscopy

V Blūms, J Scarabel, K Shimizu, M Ghadimi… - Review of Scientific …, 2020 - pubs.aip.org
Isotope selective optical excitation of atoms is important for experiments with neutral atoms,
metrology, and work with trapped ions, including quantum information processing …