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Related papers: Angular Bloch Oscillations and their applications

200 papers

The periodically kicked quantum rotor is known for non-classical effects such as quantum localisation in angular momentum space or quantum resonances in rotational excitation. These phenomena have been studied in diverse systems mimicking…

Quantum Physics · Physics 2015-11-18 Johannes Floß , Andrei Kamalov , Ilya Sh. Averbukh , Philip H. Bucksbaum

Bloch oscillations of atoms in optical lattices are a powerful technique that can boost the sensitivity of atom interferometers to a wide range of signals by large momentum transfer. To leverage this method to its full potential, an…

We introduce a matter wave interference scheme based on the quantization of orbital angular momentum in a ring trap. It operates without beam splitters, is sensitive to geometric phases induced by external gauge fields, and allows measuring…

Quantum Physics · Physics 2021-04-01 Filip Kiałka , Benjamin A. Stickler , Klaus Hornberger

Cold atoms in an optical lattice provide an ideal platform for studying Bloch oscillations. Here, we extend Bloch oscillations to two superposed optical lattices that are accelerated away from one another, and for the first time show that…

We present a new technique for stabilizing and monitoring Bloch oscillations of ultracold atoms in an optical lattice under the action of a constant external force. In the proposed scheme, the atoms also interact with a unidirectionally…

Quantum Gases · Physics 2015-03-31 M. Samoylova , N. Piovella , D. Hunter , G. R. M. Robb , R. Bachelard , Ph. W. Courteille

We consider the exchange of spin and orbital angular momenta between a circularly polarized Laguerre-Gaussian beam of light and a single atom trapped in a two-dimensional harmonic potential. The radiation field is treated classically but…

Quantum Physics · Physics 2009-11-07 Ashok Muthukrishnan , C. R. Stroud

We demonstrate a closed-loop light-pulse atom interferometer inertial sensor that can realize continuous decoupled measurements of acceleration and rotation rate. The sensor operates with double-loop atom interferometers, which share the…

Atomic Physics · Physics 2024-04-16 Zhi-Xin Meng , Pei-Qiang Yan , Sheng-Zhe Wang , Xiao-Jie Li , Hong-bo Xue , Yan-Ying Feng

We study the Bloch oscillation dynamics of a spin-orbit-coupled cold atomic gas trapped inside a one-dimensioanl optical lattice. The eigenspectra of the system is identified as two interpenetrating Wannier-Stark ladder. Based on that, we…

Quantum Gases · Physics 2019-02-05 Wei Ji , Keye Zhang , Weiping Zhang , Lu Zhou

We consider Bloch oscillations of ultracold atoms stored in a one-dimensional vertical optical lattice and simultaneously interacting with a unidirectionally pumped optical ring cavity whose vertical arm is collinear with the optical…

Inertial sensors based on cold atom interferometry exhibit many interesting features for applications related to inertial navigation, particularly in terms of sensitivity and long-term stability. However, at present the typical atom…

Bloch oscillations, the oscillatory motion of a quantum particle in a periodic potential, are one of the most fascinating effects of coherent quantum transport. Originally studied in the context of electrons in crystals, Bloch oscillations…

Atom interferometric inertial sensors offer exceptional sensitivity but are fundamentally constrained by the periodic phase response of matter-wave interference, which imposes an intrinsic half-fringe dynamic-range limit and prevents…

We consider ultracold atoms trapped in a toroidal trap with an azimuthal lattice for utility as a macroscopic simulator of quantum optics phenomena. We examine the dynamics induced by the adiabatic introduction of the lattice that serves to…

Quantum Gases · Physics 2021-02-03 Caelan Brooks , Allison Brattley , Kunal K. Das

We propose and demonstrate a method to increase the momentum separation between the arms of an atom interferometer and thus its area and measurement precision, by using Bloch oscillations (BOs) in an excited band of a pulsed optical…

Atomic Physics · Physics 2020-05-14 Katherine E. McAlpine , Daniel Gochnauer , Subhadeep Gupta

We theoretically investigate supercurrents of ultracold atoms in angularly ac-shaken ring lattices subjected to external rotation. Our results demonstrate how these supercurrents can be harnessed for the development of high-precision…

Quantum Gases · Physics 2026-05-05 S. Carmona-López , A. Matos-Abiague , F. Isaule , L. Morales-Molina

We report the direct observation and characterization of position-space Bloch oscillations using an ultracold gas in a tilted optical lattice. While Bloch oscillations in momentum space are a common feature of optical lattice experiments,…

Atoms trapped in a red detuned retro-reflected Laguerre-Gaussian beam undergo orbital motion within rings whose centers are on the axis of the laser beam. We determine the wave functions, energies and degeneracies of such quantum rotors…

Quantum Physics · Physics 2021-01-04 Igor Kuzmenko , Tetyana Kuzmenko , Yehuda B. Band

We report on our progress in the construction of a continuous matter-wave interferometer for inertial sensing via the non-destructive observation of Bloch oscillations. At the present stage of the experiment, around $10^5$strontium-88 atoms…

We investigate the rotational properties of a two-component, two-dimensional self-bound quantum droplet, which is confined in a harmonic potential and compare them with the well-known problem of a single-component atomic gas with contact…

Quantum Gases · Physics 2023-11-29 S. Nikolaou , G. M. Kavoulakis , M. Ogren

Cold atoms in an optical lattice execute Bloch-Zener oscillations when they are accelerated. We have performed a theoretical investigation into the case when the optical lattice is the intra-cavity field of a driven Fabry-Perot resonator.…

Quantum Physics · Physics 2010-01-28 B. Prasanna Venkatesh , M. Trupke , E. A. Hinds , D. H. J. O'Dell
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