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Related papers: Blinking optical tweezers for atom rearrangements

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Atomic interferometers measure forces and acceleration with exceptional precision. The conventional approach to atomic interferometry is to launch an atomic cloud into a ballistic trajectory and perform the wave-packet splitting in momentum…

Quantum Physics · Physics 2024-02-23 Jonathan Nemirovsky , Rafi Weill , Ilan Meltzer , Yoav Sagi

We present a new approach to investigating Rydberg molecules by demonstrating the formation and characterization of individual Rb$^{*}$Cs Rydberg molecules using optical tweezers. By employing single-atom detection of Rb and Cs, we observe…

Arrays of neutral atoms in optical tweezers are widely used in quantum simulation and computation, and precision frequency metrology. The capabilities of these arrays are enhanced by maximising the number of available sites. Here we…

We demonstrate single-atom resolved imaging with a survival probability of $0.99932(8)$ and a fidelity of $0.99991(1)$, enabling us to perform repeated high-fidelity imaging of single atoms in tweezers for thousands of times. We further…

Quantum Gases · Physics 2019-05-02 Jacob P. Covey , Ivaylo S. Madjarov , Alexandre Cooper , Manuel Endres

We propose a scheme for quantum logic with neutral atoms stored in an array of holographic dipole traps where the positions of the atoms can be rearranged by using holographic optical tweezers. In particular, this allows for the transport…

Quantum Physics · Physics 2009-11-11 U. Dorner , T. Calarco , P. Zoller , A. Browaeys , P. Grangier

By integrating tweezer arrays with a high-cooperativity ring cavity with chiral atom-cavity coupling, we demonstrate highly directional Bragg scattering from a programmable number of atoms. Through accurate control of the interatomic…

The efficiency of extracting single atoms or molecules from an ultracold bosonic reservoir is theoretically investigated for a protocol based on lasers, coupling the hyperfine state in which the atoms form a condensate to another stable…

Quantum Physics · Physics 2011-05-10 Stefano Zippilli , Bernd Mohring , Eric Lutz , Giovanna Morigi , Wolfgang Schleich

Cooling atoms to the ground-state of optical tweezers is becoming increasingly important for high-fidelity imaging, cooling, and molecular assembly. While extensive theoretical work has been conducted on cooling in free space, fewer studies…

This paper proposes a scalable planning algorithm for creating defect-free atom arrays in neutral-atom systems. The algorithm generates a $\mathcal{O}(\sqrt N)$ time plan for $N$ atoms by parallelizing atom transport using a two-dimensional…

Quantum Physics · Physics 2026-04-08 Koki Aoyama , Takafumi Tomita , Fumihiko Ino

Quantum computation and quantum communication are expected to provide users with capabilities inaccessible by classical physics. However, scalability to larger systems with many qubits is challenging. One solution is to develop a quantum…

Quantum Physics · Physics 2024-07-15 Lukas Hartung , Matthias Seubert , Stephan Welte , Emanuele Distante , Gerhard Rempe

We propose an entanglement protocol where ions illuminated by optical tweezers serve as control qubits. We experimentally demonstrate this proposal with a controlled M$\o$lmer-S$\o$rensen operation on a three-ion chain, analogous to the…

Neutral-atom arrays trapped in optical potentials are a powerful platform for studying quantum physics, combining precise single-particle control and detection with a range of tunable entangling interactions. For example, these capabilities…

We realize collective enhancement and suppression of light scattered by an array of tweezer-trapped $^{87}$Rb atoms positioned within a strongly coupled Fabry-P\'{e}rot optical cavity. We illuminate the array with light directed transverse…

We propose a new scalable architecture for trapped ion quantum computing that combines optical tweezers delivering qubit state-dependent local potentials with oscillating electric fields. Since the electric field allows for long-range…

Quantum Physics · Physics 2022-01-05 M. Mazzanti , R. X. Schüssler , J. D. Arias Espinoza , Z. Wu , R. Gerritsma , A. Safavi-Naini

We present a three-dimensional steerable optical tweezer system based on two pairs of acousto-optic deflectors. Radio frequencies used to steer the optical tweezers are generated by direct digital synthesis and multiple cross beam dipole…

Quantum Gases · Physics 2018-10-17 C. S. Chisholm , R. Thomas , A. B. Deb , N. Kjærgaard

Optical tweezers have become essential tools for dynamically manipulating objects, ranging from microspheres or biological molecules to neutral atoms. In this study, we demonstrate the creation of tweezer arrays using a generative neural…

Optics · Physics 2024-07-22 Zejian Ren , Xu Yan , Kai Wen , Huijin Chen , Elnur Hajiyev , Chengdong He , Gyu-Boong Jo

State-dependent optical tweezers can be used to trap a pair of molecules with a separation much smaller than the wavelength of the trapping light, greatly enhancing the dipole-dipole interaction between them. Here we describe a general…

Atomic Physics · Physics 2021-04-05 L. Caldwell , M. R. Tarbutt

We propose an experimental architecture where an array of optical tweezers affords site-dependent control over the confining potential of a conventional radio-frequency ion trap. The site-dependent control enables programmable manipulation…

Quantum Physics · Physics 2021-08-25 Yi Hong Teoh , Manas Sajjan , Zewen Sun , Fereshteh Rajabi , Rajibul Islam

Two-dimensional arrays of optical micro-traps created by microoptical elements present a versatile and scalable architecture for neutral atom quantum information processing, quantum simulation, and the manipulation of ultra-cold quantum…

Movable single atoms have drawn significant attention for their potentials as flying quantum memory in non-local, dynamic quantum computing architectures. However, when dynamic optical tweezers are employed to control atoms…

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