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Apr 07, 2016
Atomic Physic
Geophysics
Instrumentation and Detectors

MIGA: Combining laser and matter wave interferometry for mass distr…

The Matter-Wave laser Interferometer Gravitation Antenna, MIGA, will be a hybrid instrument composed of a network of atom interferometers horizontall…
Oct 15, 2013
Quantum Gases
Atomic Physic

Gray molasses cooling of $^{39}$K to a high phase-space density

We present new techniques in cooling 39K atoms using laser light close to the D1 transition. First, a new compressed-MOT configuration is taking adva…
Oct 06, 2011
Atomic Physic

Cold and trapped metastable noble gases

We review experimental and theoretical work on cold, trapped metastable noble gases. We em- phasize the aspects which distinguish work with these ato…
Oct 05, 2009

Entanglement of two individual atoms using the Rydberg blockade

We report on our recent progress on the manipulation of single rubidium atoms trapped in optical tweezers and the generation of entanglement between …
Jan 06, 2017
Atomic Physic

A marginally stable optical resonator for enhanced atom interferometry

We propose a marginally stable optical resonator suitable for atom interferometry. The resonator geometry is based on two flat mirrors at the focal p…
Jul 06, 2012
Mesoscale and Nanoscale Physics

Graphene-based photovoltaic cells for near-field thermal energy con…

Thermophotovoltaic devices are energy-conversion systems generating an electric current from the thermal photons radiated by a hot body. In far field…
Oct 24, 2016
Optics

Coalescence and anti-coalescence of surface plasmons on a lossy bea…

Surface plasma waves are collective oscillations of electrons that propagate along a metal-dielectric interface. In the last ten years, several group…
Jun 22, 2018
Quantum Gases

Cooling phonon modes of a Bose condensate with uniform few body losses

We present a general analysis of the cooling produced by losses on condensates or quasi-condensates. We study how the occupations of the collective p…
Jun 04, 2010
Quantum Gases

Measurement of the atom number distribution in an optical tweezer usi…

We demonstrate in this paper a method to reconstruct the atom number distribution of a cloud containing a few tens of cold atoms. The atoms are first…
Mar 29, 2015
Atomic Physic

Correlative methods for dual-species quantum tests of the weak equi…

Matter-wave interferometers utilizing different isotopes or chemical elements intrinsically have different sensitivities, and the analysis tools avai…
Apr 23, 2007
Other Condensed Matter

Observation of atom pairs in spontaneous four wave mixing of two co…

We study atom scattering from two colliding Bose-Einstein condensates using a position sensitive, time resolved, single atom detector. In analogy to …
Feb 19, 2018
Optics
Mesoscale and Nanoscale Physics

Ultrafast perturbation maps as a quantitative tool for testing of m…

Advanced photonic probing techniques are of great importance for the development of non-contact wafer-scale testing of photonic chips. Ultrafast phot…
Aug 11, 2011
Atomic Physic
Optics

Dual-wavelength laser source for onboard atom interferometry

We present a compact and stable dual-wavelength laser source for onboard atom interferometry with two different atomic species. It is based on freque…
Mar 06, 2012

Homodyne estimation of Gaussian quantum discord

We address the experimental estimation of Gaussian quantum discord for two-mode squeezed thermal state, and demonstrate a measurement scheme based on…
Dec 17, 2008

Field test of a continuous-variable quantum key distribution prototype

We have designed and realized a prototype that implements a continuous-variable quantum key distribution protocol based on coherent states and revers…
Apr 20, 2016
Statistical Mechanics

Spreading of correlations in exactly-solvable quantum models with l…

We study the out-of-equilibrium dynamics induced by quantum quenches in quadratic Hamiltonians featuring both short- and long-range interactions. The…
Feb 11, 2010
Quantum Gases
Atomic Physic

Imaging a single atom in a time-of-flight experiment

We perform fluorescence imaging of a single 87Rb atom after its release from an optical dipole trap. The time-of-flight expansion of the atomic spati…
Dec 05, 2011
Quantum Gases

Effect of disorder close to the superfluid transition in a two-dime…

We experimentally study the effect of disorder on trapped quasi two-dimensional (2D) 87Rb clouds in the vicinity of the Berezinskii-Kosterlitz-Thoule…
Jul 11, 2016
Quantum Gases
Atomic Physic

An atom-by-atom assembler of defect-free arbitrary 2d atomic arrays

Large arrays of individually controlled atoms trapped in optical tweezers are a very promising platform for quantum engineering applications. However…
Dec 18, 2008
Other Condensed Matter

Dipole Oscillations of a Fermi Gas in a Disordered Trap: Damping and …

We theoretically study the dipole oscillations of an ideal Fermi gas in a disordered trap. We show that even weak disorder induces strong damping of …
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