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Precise control and manipulation of neutral atoms are essential for quantum technologies but largely dependent on conventional bulky optical setups. Here, we demonstrate a multifunctional metalens that integrates an achromatic lens with…

Optical and acoustical trapping has been established as a tool for holding and moving microscopic particles suspended in a liquid in a contact-free and non-invasive manner. Opposed to standard microscopic imaging where the probe is fixated,…

数值分析 · 数学 2025-10-27 Peter Elbau , Monika Ritsch-Marte , Otmar Scherzer , Denise Schmutz

We propose an optical dipole trap for cold neutral atoms based on the electric field produced from the evanescent fields in a hollow rectangular slot cut through an optical nanofibre. In particular, we discuss the trap performance in…

原子物理 · 物理学 2014-07-24 Mark Daly , Viet Giang Truong , Ciarán Phelan , Kieran Deasy , Síle Nic Chormaic

We demonstrate experimentally and theoretically that a coherent image of a pure phase object may be obtained by use of a spatially incoherent illumination beam. This is accomplished by employing a two-beam source of entangled photons…

We propose a scheme for simultaneously trapping and detecting single atoms near the surface of a substrate using whispering gallery modes of a microdisk resonator. For efficient atom-mode coupling the atom should be placed within…

量子物理 · 物理学 2009-11-13 Michael Rosenblit , Yonathan Japha , Peter Horak , Ron Folman

A detailed treatment of an electro-optical trap for polar molecules, realized by embedding an optical trap within a uniform electrostatic field, is presented and the trap's properties analyzed and discussed. The electro-optical trap offers…

原子物理 · 物理学 2022-06-15 Bretislav Friedrich

We consider light scattering off a two-dimensional (2D) dipolar array and show how it can be tailored by properly choosing the lattice constant of the order of the incident wavelength. In particular, we demonstrate that such arrays can…

量子物理 · 物理学 2017-03-22 Ephraim Shahmoon , Dominik S. Wild , Mikhail D. Lukin , Susanne F. Yelin

Optical tweezers enable non-contact trapping of micro-scale objects using light. Despite their widespread use, it is currently not known how tightly it is possible to three-dimensionally trap micro-particles with a given photon budget.…

We use an optical cavity in the regime of intermediate coupling between atom and cavity mode to detect single moving atoms. Degenerate polarization modes allow excitation of the atoms in one mode and collection of spontaneous emission in…

量子物理 · 物理学 2012-12-20 D. G. Norris , E. J. Cahoon , L. A. Orozco

We employ conical refraction of light in a biaxial crystal to create an optical bottle for trapping and manipulation of particles. We show that by just varying the polarization of the input light the bottle can be opened and closed at will.…

光学 · 物理学 2015-01-27 A. Turpin , V. Shvedov , C. Hnatovsy , Yu. V. Loiko , J. Mompart , W. Krolikowski

We report on the atom optical manipulation of an atom laser beam. Reflection, focusing and its storage in a resonator are demonstrated. Precise and versatile mechanical control over an atom laser beam propagating in an inhomogeneous…

凝聚态物理 · 物理学 2009-10-31 Immanuel Bloch , Michael Köhl , Markus Greiner , Theodor W. Hänsch , Tilman Esslinger

We propose a trap for cold neutral atoms using a fictitious magnetic field induced by a nanofiber-guided light field. In close analogy to magnetic side-guide wire traps realized with current-carrying wires, a trapping potential can be…

量子物理 · 物理学 2014-01-15 Philipp Schneeweiss , Fam Le Kien , Arno Rauschenbeutel

Aims: To propose a method for the polarimetric calibration of large astronomical mirrors that does not require use of special optical devices nor knowledge of the exact polarization properties of the calibration target. Methods: We study…

天体物理仪器与方法 · 物理学 2015-11-11 A. Lopez Ariste

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…

量子物理 · 物理学 2009-11-06 G. Birkl , F. B. J. Buchkremer , R. Dumke , W. Ertmer

In this Letter we show how a single beam optical trap offers the means for three-dimensional manipulation of semiconductor nanorods in solution. Furthermore rotation of the direction of the electric field provides control over the…

生物物理 · 物理学 2012-03-06 C. Robin Head , Elena Kammann , Marco Zanella , Liberato Manna , Pavlos G. Lagoudakis

Using a two-dipole model of an optical near-field of Scanning Near-field Optical Microscope tip, i. e. taking into account contributions of magnetic and electric dipoles, we propose and analyze a new type of 3D optical nanotrap found for…

光学 · 物理学 2009-11-11 V. V. Klimov , S. K. Sekatskii , G. Dietler

Superpositions of paraxial laser beam modes to generate atom-optical lenses based on the optical dipole force are investigated theoretically. Thin, wide, parabolic, cylindrical and circular atom lenses with numerical apertures much greater…

量子物理 · 物理学 2013-06-26 Ole Steuernagel

We show that thin dielectric films can be used to enhance the performance of passive atomic mirrors by enabling quantum reflection probabilities of over 90% for atoms incident at velocities ~1 mm/s, achieved in recent experiments. This…

量子气体 · 物理学 2015-05-28 T. E. Judd , R. G. Scott , A. M. Martin , B. Kaczmarek , T. M. Fromhold

We present a theoretical analysis of a novel scheme for optical cooling of particles that does not in principle require a closed optical transition. A tightly confined laser beam interacting with a trapped particle experiences a phase…

量子物理 · 物理学 2010-08-23 Peter Horak , André Xuereb , Tim Freegarde

Single fluorescent molecules, behaving as ideal electric dipole emitters, are powerful nanoscopic probes of complex optical fields. Here, this property is exploited to precisely map the polarization and vectorial structure of tightly…

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