Cold-Atom Physics Using Ultrathin Optical Fibers: Light-Induced Dipole Forces and Surface Interactions

Sagué, G.; Vetsch, E.; Alt, Wolfgang; Meschede, Dieter; Rauschenbeutel, Arno

doi:10.1103/physrevlett.99.163602

Cited by 170 publications

(176 citation statements)

References 18 publications

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“…To estimate a relative atomic density near the APCW with a guiding potential, we calculate a relative densityrðrÞ ¼ rðrÞ=r 0 , where r 0 is a free-space cloud density, with a Monte Carlo simulation of 5 Â 10 6 trajectories of thermal atoms with a temperature of 20 mK (ref. 57). For the simulations, the Casimir-Polder potential U CP ðrÞ for the APCW is computed numerically following ref.…”

Section: Methodsmentioning

confidence: 99%

Atom–light interactions in photonic crystals

et al. 2014

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The integration of nanophotonics and atomic physics has been a long-sought goal that would open new frontiers for optical physics, including novel quantum transport and many-body phenomena with photon-mediated atomic interactions. Reaching this goal requires surmounting diverse challenges in nanofabrication and atomic manipulation. Here we report the development of a novel integrated optical circuit with a photonic crystal capable of both localizing and interfacing atoms with guided photons. Optical bands of a photonic crystal waveguide are aligned with selected atomic transitions. From reflection spectra measured with average atom number N ¼ 1:1 AE 0:4, we infer that atoms are localized within the waveguide by optical dipole forces. The fraction of single-atom radiative decay into the waveguide is G 1D /G 0 C(0.32 ± 0.08), where G 1D is the rate of emission into the guided mode and G 0 is the decay rate into all other channels. G 1D /G 0 is unprecedented in all current atom-photon interfaces.

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Section: Methodsmentioning

confidence: 99%

Atom–light interactions in photonic crystals

et al. 2014

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“…Evanescent waves in optical waveguides have received great attention recently due to the advantage of optical coupling with systems such as microresonators, [1][2][3] cold atoms, [4][5][6][7][8] their use in optical sorting, 9,10 their ability to form microcavities themselves, [11][12][13] and to support cavities. [14][15][16] Of the many available waveguide types, the tapered optical fiber -otherwise known as the optical micro-or nanofiber (MNF) -is an important device in these research fields because it is relatively easy to fabricate, produces a strong evanescent field, and can be directly integrated into existing fiber optic systems.…”

Section: Introductionmentioning

confidence: 99%

Contributed Review: Optical micro- and nanofiber pulling rig

Ward¹,

Maimaiti

Le³

et al. 2014

Review of Scientific Instruments

124

101

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We review the method of producing adiabatic optical micro-and nanofibers using a hydrogen/oxygen flame brushing technique. The flame is scanned along the fiber, which is being simultaneously stretched by two translation stages. The tapered fiber fabrication is reproducible and yields highly adiabatic tapers with either exponential or linear profiles. Details regarding the setup of the flame brushing rig and the various parameters used are presented. Information available from the literature is compiled and further details that are necessary to have a functioning pulling rig are included. This should enable the reader to fabricate various taper profiles, while achieving adiabatic transmission of ~ 99% for fundamental mode propagation. Using this rig, transmissions ranging from 85-95% for higher order modes in an optical nanofiber have been obtained.

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“…To obtain higher optical nonlinearity, many other materials with high nonlinearities (e.g., leadsilicate, bismuth-silicate, As 2 Se 3 chalcogenide) have been drawn into MNFs for various purposes [82,191]. In addition, sub-wavelength-diameter MNFs offer tightly confined evanescent field with high spatial gradients, which can be used to efficiently trap and guide atoms near the surface of the MNF [20,59,60,63,175,176] and couple radiation atoms to the guided modes of the MNF [61,62,177]. Based on the full quantization of both the radiation and guided modes of the MNF, new possibilities for quantum optics have also been proposed [20,62,178].…”

Section: More Applicationsmentioning

confidence: 99%

“…Meanwhile, small mode area and field enhancement originated from the tight confinement allow the observation of spectacular nonlinear effects [15][16][17][18] with low thresholds and power-consumption, such as supercontinuum generation and nonlinear optical switching. Also, tight spatial confinement modifies vacuum states for radiation around the surface of the MNF, which, in turn, can significantly modify the emission of a nanoemitter or an atom nearby [19,20].…”

Section: Introductionmentioning

confidence: 99%

Optical microfibers and nanofibers

Tong

2013

Nanophotonics

144

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As a combination of fiber optics and nanotechnology, optical microfibers and nanofibers (MNFs) have been emerging as a novel platform for exploring fiber-optic technology on the micro/nanoscale. Typically, MNFs taper drawn from glass optical fibers or bulk glasses show excellent surface smoothness, high homogeneity in diameter and integrity, which bestows these tiny optical fibers with low waveguiding losses and outstanding mechanical properties. Benefitting from their wavelengthor sub-wavelength-scale transverse dimensions, wave-

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Cold-Atom Physics Using Ultrathin Optical Fibers: Light-Induced Dipole Forces and Surface Interactions

Cited by 170 publications

References 18 publications

Atom–light interactions in photonic crystals

Atom–light interactions in photonic crystals

Contributed Review: Optical micro- and nanofiber pulling rig

Optical microfibers and nanofibers

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