Cavity-enhanced optical lattices for scaling neutral atom quantum technologies to higher qubit numbers

AJ Park, J Trautmann, N Šantić, V Klüsener, A Heinz… - PRX quantum, 2022 - APS
We demonstrate a cavity-based solution to scale up experiments with ultracold atoms in
optical lattices by an order of magnitude over state-of-the-art free-space lattices. Our two …

State-dependent optical lattices for the strontium optical qubit

A Heinz, AJ Park, N Šantić, J Trautmann, SG Porsev… - Physical review …, 2020 - APS
We demonstrate state-dependent optical lattices for the Sr optical qubit at the tune-out
wavelength for its ground state. We tightly trap excited state atoms while suppressing the …

Collisional Loss of One-Dimensional Fermions Near a -Wave Feshbach Resonance

YT Chang, R Senaratne, D Cavazos-Cavazos… - Physical Review Letters, 2020 - APS
We study collisional loss of a quasi-one-dimensional spin-polarized Fermi gas near ap-
wave Feshbach resonance in ultracold Li 6 atoms. We measure the location of the p-wave …

Experimental demonstration of shaken-lattice interferometry

CA Weidner, DZ Anderson - Physical Review Letters, 2018 - APS
We experimentally demonstrate a shaken-lattice interferometer. Atoms are trapped in the
ground Bloch state of a red-detuned optical lattice. Using a closed-loop optimization protocol …

Active stabilization of multi-parameter in AMO experiments with a single digital servo

XL Zhou, DY Huang, ZM Shen, YH Pan, L Li… - Optics & Laser …, 2023 - Elsevier
Nowadays, atomic, molecular and optical (AMO) physics experiments are becoming more
and more sophisticated and always need the servo to actively satisfy the high stability of a …

Spatial bloch oscillations of a quantum gas in a “beat-note” superlattice

L Masi, T Petrucciani, G Ferioli, G Semeghini… - Physical Review Letters, 2021 - APS
We report the experimental realization of a new kind of optical lattice for ultracold atoms
where arbitrarily large separation between the sites can be achieved without renouncing to …

Reduction of laser intensity noise over 1 MHz band for single atom trapping

Y Wang, K Wang, EF Fenton, YW Lin, KK Ni… - Optics …, 2020 - opg.optica.org
We reduce the intensity noise of laser light by using an electro-optic modulator and acousto-
optic modulator in series. The electro-optic modulator reduces noise at high frequency (10 …

The mixing-demixing phase diagram of ultracold heteronuclear mixtures in a ring trimer

A Richaud, A Zenesini, V Penna - Scientific reports, 2019 - nature.com
We derive the complete mixing-demixing phase-diagram relevant to a bosonic binary
mixture confined in a ring trimer and modeled within the Bose-Hubbard picture. The mixing …

Fast, high-precision optical polarization synthesizer for ultracold-atom experiments

C Robens, S Brakhane, W Alt, D Meschede, J Zopes… - Physical Review …, 2018 - APS
We present a technique for the precision synthesis of arbitrary polarization states of light with
a high modulation bandwidth. Our approach consists of superimposing two laser light fields …

Crossed optical cavities with large mode diameters

A Heinz, J Trautmann, N Šantić, A Jihyun Park, I Bloch… - Optics letters, 2021 - opg.optica.org
We report on a compact, ultrahigh-vacuum compatible optical assembly to create large-
scale, two-dimensional optical lattices for use in experiments with ultracold atoms. The …