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Gravitational waves provide a laboratory for general relativity and a window to energetic astrophysical phenomena invisible with electromagnetic radiation. Several terrestrial detectors are currently under construction, and a space-based…

Astrophysics · Physics 2016-08-30 R. R. Caldwell , Marc Kamionkowski , Leven Wadley

We introduce a new direction in the field of atom optics, atom interferometry, and neutral-atom quantum information processing. It is based on the use of microfabricated optical elements. With these elements versatile and integrated atom…

Quantum Physics · Physics 2009-11-06 G. Birkl , F. B. J. Buchkremer , R. Dumke , W. Ertmer

We present the perspective of using atom interferometry for gravitational wave (GW) detection in the mHz to about 10 Hz frequency band. We focus on light-pulse atom interferometers which have been subject to intense developments in the last…

Instrumentation and Detectors · Physics 2017-04-26 Remi Geiger

We propose a method for achieving dynamically controllable transport of highly mobile matter-wave solitons in a driven two-dimensional optical lattice. Our numerical analysis based on the mean-field model and the theory based on the…

Other Condensed Matter · Physics 2015-05-18 Jasur Abdullaev , Dario Poletti , Elena A. Ostrovskaya , Yuri S. Kivshar

We show theoretically that the dynamics of cold atoms in the lowest energy band of a stationary optical lattice can be transformed and controlled by a second, weaker, periodic potential moving at a constant speed along the axis of the…

Quantum Gases · Physics 2013-01-16 M. T. Greenaway , A. G. Balanov , T. M. Fromhold

A universal amplification scheme of ultra-small phase based on weak measurements is given and a weak measurements amplification based laser interferometer gravitational-wave observatory (WMA-LIGO) is suggested. The WMA-LIGO has potential to…

Quantum Physics · Physics 2017-11-03 Meng-Jun Hu , Yong-Sheng Zhang

Dynamics of an atomic wavepacket in an optical superlattice is considered. We propose a simple scheme of wavepacket localization near the minima of the optical potential. In our approach, a wavelike perturbation caused by an additional…

Chaotic Dynamics · Physics 2013-10-02 D. V. Makarov , M. Yu. Uleysky , S. V. Prants

Physical processes that could facilitate coherent control of light propagation are now actively explored. In addition to fundamental interest, these efforts are stimulated by possibilities to develop, for example, a quantum memory for…

Quantum Physics · Physics 2007-05-23 M. Bajcsy , A. S. Zibrov , M. D. Lukin

By moving the pivot of a pendulum rapidly up and down one can create a stable position with the pendulum's bob above the pivot rather than below it. This surprising and counterintuitive phenomenon is a widespread feature of driven systems…

Other Condensed Matter · Physics 2009-11-13 Alessandro Zenesini , Hans Lignier , Donatella Ciampini , Oliver Morsch , Ennio Arimondo

We discuss modern developments in quantum optics with organic molecules, clusters and nanoparticles -- in particular recent realizations of near-field matter-wave interferometry. A unified theoretical description in phase space allows us to…

We describe the operation of a light pulse interferometer using cold 87Rb atoms in reduced gravity. Using a series of two Raman transitions induced by light pulses, we have obtained Ramsey fringes in the low gravity environment achieved…

We study the collapse and revival of interference patterns in the momentum distribution of atoms in optical lattices, using a projection technique to properly account for the fixed total number of atoms in the system. We consider the common…

Quantum Gases · Physics 2011-06-21 J. Schachenmayer , A. J. Daley , P. Zoller

We model the dynamics of attractively interacting ultracold bosonic atoms in a quasi-one-dimensional wave-guide with additional harmonic trapping. Initially, we prepare the system in its ground state and then shift the zero of the harmonic…

Quantum Gases · Physics 2016-12-01 Bettina Gertjerenken , Timothy P. Wiles , Christoph Weiss

We present the realization of a compact micro-wave frequency synthesizer for an atom interferometer based on stimulated Raman transitions, applied to transportable inertial sensing. Our set-up is intended to address the hyperfine…

Atomic Physics · Physics 2015-01-09 Jean Lautier , Michel Lours , Arnaud Landragin

The quantum nature of the electromagnetic field imposes a fundamental limit on the sensitivity of optical precision measurements such as spectroscopy, microscopy, and interferometry. The so-called quantum limit is set by the zero-point…

We discuss the design of quantum hybrid inertial sensor that combines an optomechanical inertial sensor with the retro-reflector of a cold atom interferometer. This sensor fusion approach provides absolute and high accuracy measurements…

Quantum Physics · Physics 2020-07-15 Logan Richardson , Adam Hines , Andrew Schaffer , Brian P. Anderson , Felipe Guzman

A compact detector for space-time metric and curvature is highly desirable. Here we show that quantum spatial superpositions of mesoscopic objects, of the type which would in principle become possible with a combination of state of the art…

General Relativity and Quantum Cosmology · Physics 2020-08-26 Ryan J. Marshman , Anupam Mazumdar , Gavin W. Morley , Peter F. Barker , Steven Hoekstra , Sougato Bose

An atom interferometer using a Bose-Einstein condensate of $^{87}$Rb atoms is utilized for the measurement of magnetic field gradients. Composite optical pulses are used to construct a spatially symmetric Mach-Zehnder geometry. Using a…

We report on the realization of a matter-wave interferometer based on single-photon interaction on the ultra-narrow optical clock transition of strontium atoms. We experimentally demonstrated its operation as a gravimeter and as a gravity…

Atomic Physics · Physics 2018-01-03 Liang Hu , Nicola Poli , Leonardo Salvi , Guglielmo M. Tino

Electrons travelling in free space have allowed to explore fundamental physics like the wave nature of matter, the Aharonov-Bohm and the Hanbury Brown-Twiss effect. Complementarily, the precise control over the external degrees of freedom…

Quantum Physics · Physics 2011-05-11 Johannes Hoffrogge , Roman Fröhlich , Mark A. Kasevich , Peter Hommelhoff