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Achieving precise and adjustable control over laser frequency is an essential requirement in numerous applications such as precision spectroscopy, quantum control, and sensing. In many such applications it is desired to stabilize a laser…

Applied Physics · Physics 2024-05-22 Heleni Krelman , Ori Nefesh , Kfir Levi , Douglas G. Bopp , Songbai Kang , John E. Kitching , Liron Stern

Ultrafast manipulation of vibrational coherence is an emergent route to control the structure of solids. However, this strategy can only induce long-range correlations and cannot modify atomic structure locally, which is required in many…

We observe velocity-selective two-photon resonances in a cold atom cloud in the presence of a magnetic field. We use these resonances to demonstrate a simple magnetometer with sub-mG resolution. The technique is particularly useful for…

We, based on the photoassociation of fermion atoms into bosonic molecules, propose a scheme to create the steady entanglement between the atom state and the molecule state inside an optical lattice. The stability of entanglement state is…

Quantum Physics · Physics 2007-05-23 P. Zhang , H. T. Quan , C. P. Sun

We trap neutral Cs atoms in a two-dimensional optical lattice and cool them close to the zero-point of motion by resolved-sideband Raman cooling. Sideband cooling occurs via transitions between the vibrational manifolds associated with a…

Quantum Physics · Physics 2009-10-31 S. E. Hamann , D. L. Haycock , G. Klose , P. H. Pax , I. H. Deutsch , P. S. Jessen

The light scattered by cold atoms induces mutual optical forces between them, which can lead to bound states. In addition to the trapping potential, this light-induced interaction generates a velocity-dependent force which damps or…

Atomic Physics · Physics 2020-07-01 Angel T. Gisbert , Nicola Piovella , Romain Bachelard

We show theoretically that two atomic dipoles in a resonator constitute a non-linear medium, whose properties can be controlled through the relative position of the atoms inside the cavity and the detuning and intensity of the driving…

Quantum Physics · Physics 2007-12-17 Sonia Fernández-Vidal , Stefano Zippilli , Giovanna Morigi

We present a universal algorithm for an efficient deterministic preparation of an arbitrary two--mode bosonic state. In particular, we discuss in detail preparation of entangled states of a two-dimensional vibrational motion of a trapped…

Quantum Physics · Physics 2009-10-31 G. Drobny , B. Hladky , V. Buzek

We present a novel approach to precisely synthesize arbitrary polarization states of light with a high modulation bandwidth. Our approach consists of superimposing two laser light fields with the same wavelength, but with opposite circular…

Optimal control experiments can readily identify effective shaped laser pulses, or "photonic reagents", that achieve a wide variety of objectives. For many practical applications, an important criterion is that a particular photonic reagent…

Quantum Physics · Physics 2014-03-05 Katharine Moore Tibbetts , Xi Xing , Herschel Rabitz

The controlled transfer of nuclear state population using two x-ray laser pulses is investigated theoretically. The laser pulses drive two nuclear transitions in a nuclear three-level system facilitating coherent population transfer via the…

Optics · Physics 2013-05-23 Wen-Te Liao , Adriana Pálffy , Christoph H. Keitel

An experimental group at Beijing[Yueyang Zhai, ${\it et. al.}$, Phys. Rev. A ${\bf 87}$, 063638 (2013)] introduced the method of standing-wave pulse sequence for efficiently preparing ultracold bosonic atoms into a specific excited band in…

Quantum Gases · Physics 2019-01-30 Tomotake Yamakoshi , Shinichi Watanabe

In this Letter we report the experimental results on optical control of a p-wave Feshbach resonance, by utilizing a laser driven bound-to-bound transition to shift the energy of closed channel molecule. The magnetic field location for…

In a cold atom gas subject to a 2D spin-dependent optical lattice potential with hexagonal symmetry, trapped atoms undergo orbital motion around the potential minima. Such atoms are elementary quantum rotors. We develop the theory of such…

Quantum Physics · Physics 2019-10-14 I. Kuzmenko , T. Kuzmenko , Y. Avishai , Y. B. Band

Important ongoing research on mode-locked fiber lasers aims at developing new types of multi-soliton regimes, such as soliton molecules, molecular complexes or soliton crystals. The on-demand generation of such multi-pulse structures is a…

Optics · Physics 2024-02-13 Patrice Tchofo-Dinda , Alix Malfondet , Philippe Grelu , Guy Millot

The interaction of laser cooled and trapped atoms with resonant light is limited by the linewidth of the excited state of the atom. Another precise optical oscillator is an optical Fabry-P\'erot cavity. The combining of cold atoms with…

Optics · Physics 2017-09-19 Rahul Sawant , S. A. Rangwala

We consider propagation, storing and retrieval of slow light (probe beam) in a resonant atomic medium illuminated by two control laser beams of larger intensity. The probe and two control beams act on atoms in a tripod configuration of the…

Quantum Physics · Physics 2011-05-02 J. Ruseckas , A. Mekys , G. Juzeliunas

Nonlinear optical processes are governed by the relative-phase relationships among the relevant electromagnetic fields in these processes. In this Letter, we describe the physics of arbitrary manipulation of nonlinear optical processes…

Quantum Physics · Physics 2014-06-17 Jian Zheng , Masayuki Katsuragawa

The electromagnetic radiation pressure becomes dominant in the interaction of the ultra-intense electromagnetic wave with a solid material, thus the wave energy can be transformed efficiently into the energy of ions representing the…

Plasma Physics · Physics 2007-05-23 T. Esirkepov , M. Borghesi , S. V. Bulanov , G. Mourou , T. Tajima

We theoretically analyze a scheme for a fast adiabatic transfer of cold atoms from the atomic limit of isolated traps to a Mott-insulator close to the superfluid phase. This gives access to the Bose-Hubbard physics without the need of a…

Quantum Gases · Physics 2018-06-14 Martin R. Sturm , Malte Schlosser , Gerhard Birkl , Reinhold Walser
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