English
Related papers

Related papers: Robust Atom Optics for Bragg Atom Interferometry

200 papers

Resonant frequency modulation spectroscopy has been previously used as a highly-sensitive method for measuring the output of cold atom interferometers. Using a detailed model that accounts for optical saturation, laser intensities and…

Atomic Physics · Physics 2024-12-11 Ryan J. Thomas , Samuel R. Legge , Simon A. Haine , John D. Close

We present a Ramsey-type atom interferometer operating with an optically trapped sample of 10^6 Bose-condensed Rb-87 atoms. The optical trap allows us to couple the |F =1, mF =0>\rightarrow |F =2, mF =0> clock states using a single photon…

We study procedures for the optimization of efficiency of light storage and retrieval based on the dynamic form of electromagnetically induced transparency (EIT) in warm Rb vapor. We present a detailed analysis of two recently demonstrated…

Quantum Physics · Physics 2009-11-13 Nathaniel B. Phillips , Alexey V. Gorshkov , Irina Novikova

We numerically investigate the performance of atomic transport in optical microtraps via the so called spatial adiabatic passage technique. Our analysis is carried out by means of optimal control methods, which enable us to determine…

Quantum Physics · Physics 2013-02-12 Antonio Negretti , Albert Benseny , Jordi Mompart , Tommaso Calarco

Dielectric resonators are employed to build state-of-the-art low-noise and high- stability oscillators operating at room and cryogenic temperatures. A resonator temperature coefficient of frequency is one criterion of performance. This…

We use Bloch oscillations to transfer coherently many photon momenta to atoms. Then we can measure accurately the ratio h/m_Rb and deduce the fine structure constant alpha. The velocity variation due to the Bloch oscillations is measured…

Pulsed lasers offer significant advantages over CW lasers in the coherent control of qubits. Here we review the theoretical and experimental aspects of controlling the internal and external states of individual trapped atoms with pulse…

Atomic Physics · Physics 2015-06-16 J. Mizrahi , B. Neyenhuis , K. Johnson , W. C. Campbell , C. Senko , D. Hayes , C. Monroe

We demonstrate partial-transfer absorption imaging as a technique for repeatedly imaging an ultracold atomic ensemble with minimal perturbation. We prepare an atomic cloud in a state that is dark to the imaging light. We then use a…

We report a benchmark experiment that demonstrates shortening of hard x-ray pulses in a synchrotron-based optical pump - x-ray probe experiment. The pulse shortening device, a picosecond Bragg switch, reduces the temporal resolution of an…

Materials Science · Physics 2019-05-16 M. Sander , R. Bauer , V. Kabanova , M. Levantino , M. Wulff , D. Pfuetzenreuter , J. Schwarzkopf , P. Gaal

Long distance transmission of quantum information is a central ingredient of distributed quantum information processors for both computing and secure communication. Transmission between superconducting/solid-state quantum processors…

A new class of atomic interferences using ultra-narrow optical transitions are pushing quantum engineering control to a very high level of precision for a next generation of sensors and quantum gate operations. In such context, we propose a…

Atomic Physics · Physics 2022-06-22 T. Zanon-Willette , D. Wilkowski , R. Lefevre , A. V. Taichenachev , V. I. Yudin

The development of high-performance quantum technologies relies on the ability to prepare the quantum states of solid-state emitters with high fidelity while cleanly separating the emitted photons from the driving field. Here, we present a…

Quantum Physics · Physics 2025-08-18 Juan E. Ardila-García , Juan S. Sierra-Jaraba , Herbert Vinck-Posada

We present an elegant application of matterwave interferometry to the velocimetry of cold atoms whereby, in analogy to Fourier transform spectroscopy, the 1-D velocity distribution is manifest in the frequency domain of the interferometer…

Atomic Physics · Physics 2019-03-06 Max Carey , Jack Saywell , David Elcock , Mohammad Belal , Tim Freegarde

The ability of pulse-shaping devices to generate accurately quantum optimal control is a strong limitation to the development of quantum technologies. We propose and demonstrate a systematic procedure to design robust digital control…

Quantum Physics · Physics 2022-10-18 Meri Harutyunyan , Frederic Holweck , Dominique Sugny , Stephane Guerin

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 theoretically analyze the Bragg spectroscopic interferometer of two spatially separated atomic Bose-Einstein condensates that was experimentally realized by Saba et al. [Science 2005 v307 p1945] by continuously monitoring the relative…

Quantum Gases · Physics 2012-08-03 M. D. Lee , S. Rist , J. Ruostekoski

We report on the direct observation of resonant electric dipole-dipole interactions in a cubic array of atoms in the many-excitation limit. The interactions, mediated by single-atom couplings to the shared electromagnetic vacuum, are shown…

Atomic Physics · Physics 2023-03-13 Ross B. Hutson , William R. Milner , Lingfeng Yan , Jun Ye , Christian Sanner

Ultrashort laser pulses enable attosecond-scale measurements and drive breakthroughs across science and technology, but their routine use hinges on reliable pulse characterization. Frequency-Resolved Optical Gating (FROG) is a leading…

Optics · Physics 2026-04-29 Abhimanyu Borthakur , Jack Eden Hirschman , Sergio Carbajo

A method for the agile generation of the optical frequencies required for laser cooling and atom interferometry of rubidium is demonstrated. It relies on fiber Bragg grating technology to filter the output of an electro-optic modulator and…

Atomic Physics · Physics 2020-11-24 C. D. Macrae , K. Bongs , M. Holynski

Multi-loop matter-wave interferometers are essential in quantum sensing to measure the derivatives of physical quantities in time or space. Because multi-loop interferometers require multiple reflections, imperfections of the matter-wave…

Atomic Physics · Physics 2020-11-24 L. A. Sidorenkov , R. Gautier , M. Altorio , R. Geiger , A. Landragin