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A thin layer of overdense plasma is created when an electromagnetic pulse interacts with a rapidly ionizing thin foil. This layer will reflect the incoming pulse, forming a so-called plasma mirror. A simple realistic model based on paired…

Plasma Physics · Physics 2009-11-13 S. S. Bulanov , A. Macchi , A. Maksimchuk , T. Matsuoka , J. Nees , F. Pegoraro

Light storage in an atomic Bose-Einstein condensate is one of the most practical usage of these coherent atom-optical systems. In order to make them even more practical, it is necessary to enhance our ability to inject multiple pulses into…

Quantum Physics · Physics 2009-11-13 Devrim Tarhan , Alphan Sennaroglu , Ozgur E. Mustecaplioglu

We demonstrate a precision magnetic microscope based on direct imaging of the Larmor precession of a $^{87}$Rb spinor Bose-Einstein condensate. This magnetometer attains a field sensitivity of 8.3 pT/Hz$^{1/2}$ over a measurement area of…

Other Condensed Matter · Physics 2009-11-11 M. Vengalattore , J. M. Higbie , S. R. Leslie , J. Guzman , L. E. Sadler , D. M. Stamper-Kurn

We report the observation of quantum reflection from a narrow, attractive, potential using bright solitary matter-waves formed from a 85Rb Bose-Einstein condensate. We create narrow potentials using a tightly focused, red-detuned laser…

We demonstrate detection of a weak alternate-current magnetic field by application of the spin echo technique to F = 2 Bose-Einstein condensates. A magnetic field sensitivity of 12 pT/Hz^1/2 is attained with the atom number of 5*10^3 at…

We investigate the evolution of Bose-Einstein condensates falling under gravity and bouncing off a mirror formed by a far-detuned sheet of light. After reflection, the atomic density profile develops splitting and interference structures…

Condensed Matter · Physics 2009-10-31 K. Bongs , S. Burger , G. Birkl , K. Sengstock , W. Ertmer , K. Rzazewski , A. Sanpera , M. Lewenstein

We experimentally study the diffraction of a Bose-Einstein condensate from a magnetic lattice, realized by a set of 372 parallel gold conductors which are micro fabricated on a silicon substrate. The conductors generate a periodic potential…

Other Condensed Matter · Physics 2015-06-25 A. Guenther , S. Kraft , M. Kemmler , D. Koelle , R. Kleiner , C. Zimmermann , J. Fortagh

We investigate lensing and waveguiding properties of an atomic Bose-Einstein condensate for ultraslow pulse generated by electromagnetically induced transparency method. We show that a significant time delay can be controllably introduced…

Optics · Physics 2011-03-25 Devrim Tarhan , Alphan Sennaroglu , Ozgur E. Mustecaplioglu

Polarization-dependent phase-contrast imaging is used to spatially resolve the magnetization of an optically trapped ultracold gas. This probe is applied to Larmor precession of degenerate and nondegenerate spin-1 $^{87}$Rb gases.…

Other Condensed Matter · Physics 2009-11-11 J. M. Higbie , L. E. Sadler , S. Inouye , A. P. Chikkatur , S. R. Leslie , K. L. Moore , V. Savalli , D. M. Stamper-Kurn

Atom matterwave interferometry requires mirror and beamsplitter pulses that are robust to inhomogeneities in field intensity, magnetic environment, atom velocity and Zeeman sub-state. Pulse shapes determined using quantum control methods…

Quantum Physics · Physics 2018-08-29 Jack Saywell , Ilya Kuprov , David Goodwin , Max Carey , Tim Freegarde

We theoretically investigate the optical focusing of a rubidium Bose-Einstein condensate onto a planar surface. Our analysis uses a Gaussian variational method that includes the effects of two-body atom-atom interactions and three-body…

Quantum Physics · Physics 2021-06-23 A. M. Kordbacheh , S. S. Szigeti , A. M. Martin

We investigate a two-dimensional Bose-Einstein condensate that is optically driven via a retro-reflecting mirror, forming a single optical feedback loop. This induces a peculiar type of long-range atomic interaction with highly oscillatory…

Quantum Gases · Physics 2021-02-10 Yong-Chang Zhang , Valentin Walther , Thomas Pohl

We theoretically study the coupling of Bose-Einstein condensed atoms to the mechanical oscillations of a nanoscale cantilever with a magnetic tip. This is an experimentally viable hybrid quantum system which allows one to explore the…

Quantum Physics · Physics 2009-11-13 Philipp Treutlein , David Hunger , Stephan Camerer , Theodor W. Hänsch , Jakob Reichel

We analyze prospects for the use of Bose-Einstein condensates as condensed-matter systems suitable for generating a generic ``effective metric'', and for mimicking kinematic aspects of general relativity. We extend the analysis due to Garay…

General Relativity and Quantum Cosmology · Physics 2009-10-31 Carlos Barcelo , Stefano Liberati , Matt Visser

We theoretically investigate an adjustable-radius magnetic storage ring for laser-cooled and Bose-condensed atoms. Additionally, we discuss a novel time-dependent variant of this and other ring traps. Time-orbiting ring traps provide a high…

Soft Condensed Matter · Physics 2007-05-23 A S Arnold

We consider a quasi two-dimensional atomic Bose Einstein condensate interacting with a near-resonant laser field that is back-reflected onto the condensate by a planar mirror. We show that this single-mirror optical feedback leads to an…

Atomic Physics · Physics 2018-08-22 Yong-Chang Zhang , Valentin Walther , Thomas Pohl

We investigate electromagnetically induced transparencies with two transverse Bose-Einstein condensates in four-mirror optical cavity, driven by a strong pump laser and a weak probe laser. The cavity mode, after getting split from beam…

Optics · Physics 2020-12-29 Kashif Ammar Yasir , Zhaoxin Liang , Gao Xianlong , Wu-Ming Liu

We report on the experimental realization of a Bragg reflector for guided matter waves. A Bose-Einstein condensate with controlled velocity distribution impinges onto an attractive optical lattice of finite length and directly probes its…

We propose the use of bright matter-wave solitons formed from Bose-Einstein condensates with attractive interactions to probe and study quantum reflection from a solid surface at normal incidence. We demonstrate that the presence of…

Quantum Physics · Physics 2010-10-29 S. L. Cornish , N. G. Parker , A. M. Martin , T. E. Judd , R. G. Scott , T. M. Fromhold , C. S. Adams

We propose a straightforward implementation of the phenomenon of diffractive focusing with uniform atomic Bose-Einstein condensates. Both, analytical as well as numerical methods not only illustrate the influence of the atom-atom…