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Magneto-optic and magnetostatic trapping is realized near a surface using current carrying coils wrapped around magnetizable cores. A cloud of 10^7 Cesium atoms is created with currents less than 50 mA. Ramping up the current while…

原子物理 · 物理学 2009-11-07 M. Vengalattore , W. Rooijakkers , M. Prentiss

In this article, a 2D plasmonic waveguide loaded with all dielectric anisotropic metamaterial, consisting of alternative layers of Si-SiO2, has been theoretically proposed and numerically analyzed. Main characteristics of waveguide i.e.…

光学 · 物理学 2016-12-30 Abid Anjum Sifat , Ayed Al Sayem , M Mahmudul Hasan Sajeeb

In terahertz (THz) photonics, there is an ongoing effort to develop thin, compact devices such as dielectric photonic crystal (PhC) slabs with desirable light matter interactions. However, previous works in THz PhC slabs are limited to…

We show that waveguides with a dielectric core and a lossy metamaterial cladding (metamaterial-dielectric guides) can support hybrid ordinary-surface modes previously only known for metal-dielectric waveguides. These hybrid modes are…

光学 · 物理学 2015-03-19 B. R. Lavoie , P. M. Leung , B. C. Sanders

We optically detect the positions of single neutral cesium atoms stored in a standing wave dipole trap with a sub-wavelength resolution of 143 nm rms. The distance between two simultaneously trapped atoms is measured with an even higher…

Subwavelength modulators play an indispensable role in integrated photonic-electronic circuits. Due to weak light-matter interactions, it is always a challenge to develop a modulator with a nanometer scale footprint, low switching energy,…

介观与纳米尺度物理 · 物理学 2013-12-31 Kelvin J. A. Ooi , Ping Bai , Hong Son Chu , Lay Kee Ang

We present a low-loss integrated photonics platform in the visible and near ultraviolet regime. Fully-etched waveguides based on atomic layer deposition (ALD) of aluminum oxide operate in a single transverse mode with $<$3 dB/cm propagation…

We theoretically investigate second harmonic generation in extremely narrow, sub-wavelength semiconductor and dielectric waveguides. We discuss a novel guiding mechanism characterized by the inhibition of diffraction and the suppression of…

光学 · 物理学 2012-05-21 V. Roppo , M. A. Vincenti , D. de Ceglia , M. Scalora

We report that equidistant 1D arrays of thin-film Lithium Niobate nano-waveguides generically support topological edge states. Unlike conventional coupled-waveguide topological systems, the topological properties of these arrays are…

光学 · 物理学 2023-05-02 Andrey V. Gorbach , Jesper Beer , Anton Souslov

Using optical dipole forces we have realized controlled transport of a single or any desired small number of neutral atoms over a distance of a centimeter with sub-micrometer precision. A standing wave dipole trap is loaded with a…

量子物理 · 物理学 2009-11-07 Dominik Schrader , Stefan Kuhr , Wolfgang Alt , Martin Mueller , Victor Gomer , Dieter Meschede

We present a magnetic trapping scheme for cold 87Rb atoms based on light-induced fictitious magnetic fields generated by the evanescent field of an optical nanofiber (ONF) integrated with an optical tweezers. We calculate and compare the…

原子物理 · 物理学 2026-03-09 Alexey Vylegzhanin , Dylan J. Brown , Sergey Abdrakhmanov , Sile Nic Chormaic

Forces arising from overlap between the guided waves of parallel, microphotonic waveguides are calculated. Both attractive and repulsive forces, determined by the choice of relative input phase, are found. Using realistic parameters for a…

We investigate the subwavelength imaging capacity of a two-dimensional fanned-out plasmonic waveguide array, formed by air channels surrounded by gold metal layers for operation at near-infrared wavelengths, via finite element simulations.…

光学 · 物理学 2015-01-15 Nina Podoliak , Peter Horak , Jord C. Prangsma , Pepijn W. H. Pinkse

Observations of thermally driven transverse vibration of a photonic crystal waveguide (PCW) are reported. The PCW consists of two parallel nanobeams with a 240 nm vacuum gap between the beams. Models are developed and validated for the…

量子物理 · 物理学 2020-12-30 J. -B. Béguin , Z. Qin , X. Luan , H. J. Kimble

We demonstrate a one-dimensional optical phased array on an integrated silicon platform for operation at 1.55 microns. Light is emitted end-fire from the chip edge where the waveguides are terminated. The innovative design and high…

应用物理 · 物理学 2017-06-07 Michael R. Kossey , Charbel Rizk , Amy C. Foster

We experimentally study the ground state coherence properties of cesium atoms in a nanofiber-based two-color dipole trap, localized 200 nm away from the fiber surface. Using microwave radiation to coherently drive the clock transition, we…

量子物理 · 物理学 2013-06-14 D. Reitz , C. Sayrin , R. Mitsch , P. Schneeweiss , A. Rauschenbeutel

Integration of metasurfaces with guided mode sources like waveguides have opened new frontiers for on-chip optical integration. However, the state-of-the-art in the field has targeted applications where long focal distances over thousands…

光学 · 物理学 2024-03-05 Hrishikesh Iyer , Yurii Vlasov

In two-color optical nanofiber-based dipole traps for cold alkali atoms, the trap efficiency depends on the wavelength and intensity of light in the evanescent field, and the initial laser-cooling process. Typically, no more than one atom…

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

This paper proposes a novel technique for the design of miniaturized waveguide filters based on locally resonant metamaterials (LRMs). We implement ultra-small metamaterial filters (Meta-filters) by exploiting a subwavelength (sub-lambda…

应用物理 · 物理学 2021-10-13 Maliheh Khatibi Moghaddam , Romain Fleury