1.7k citations · 3.6k across the 52 of their papers we have counts for
53 papers
-enhanced gray-molasses loading and EIT cooling of neutral atoms in nanophotonic traps
Lucas Pache, Antoine Glicenstein, Philipp Schneeweiss +3
Nanophotonic traps for cold atoms typically have trap volumes that are orders of magnitude smaller than, e.g., free-space optical tweezers. This makes efficient loading of these tr…
Limits of Stable Near-Field Probing in Nanophotonic Traps
Johannes Piotrowski, Constanze Bach, Nicolás Vera Paz +2
Near-fields around nanophotonic structures and waveguides can be used to optically interface particles ranging from atoms and molecules to microscopic biological and synthetic part…
High-optical-depth, sub-Doppler-width absorption lines at telecom wavelengths in hot, optically driven rubidium vapor
Inna Kviatkovsky, Lucas Pache, Viola-Antonella Zeilberger +4
Doppler broadening presents a major limitation for high-resolution spectroscopy and nonlinear optics in room-temperature atomic vapors. Here, we demonstrate the suppression of Dopp…
Hybrid Trapping of Cold Atoms with Surface Forces and Blue-Detuned Evanescent Light on a Nanophotonic Waveguide
Riccardo Pennetta, Antoine Glicenstein, Philipp Schneeweiss +2
We demonstrate a novel hybrid nanophotonic trap for cold neutral atoms, leveraging surface forces for attraction and blue-detuned evanescent light for repulsion. We attribute the a…
Measuring deviations from a perfectly circular cross-section of an optical nanofiber at the Ångström scale
Jihao Jia, Felix Tebbenjohanns, Thomas Hoinkes +3
Tapered optical fibers (TOFs) with sub-wavelength-diameter waists, known as optical nanofibers, are powerful tools for interfacing quantum emitters and nanophotonics. These applica…
Photon Transport in a Gas of Two-Level Atoms: Unveiling Quantum Light Creation
Leonid Yatsenko, Martin Cordier, Lucas Pache +4
We present a theoretical analysis of nearly monochromatic light propagation through a gas of two-level atoms using the Heisenberg-Langevin equation method. Our focus is on the evol…
Simple analytical model describing the collective nonlinear response of an ensemble of two-level emitters weakly coupled to a waveguide
Max Schemmer, Martin Cordier, Lucas Pache +3
We model and investigate the collective nonlinear optical response of an ensemble of two-level emitters that are weakly coupled to a single-mode waveguide. Our approach generalizes…
Emergence of second-order coherence in superfluorescence
Constanze Bach, Felix Tebbenjohanns, Christian Liedl +2
We experimentally investigate the second-order quantum coherence function of a superradiant burst in a cascaded quantum system. We chirally (i.e. direction-dependently) couple roug…
Magic-wavelength nanofiber-based two-color dipole trap with sub- spacing
Lucas Pache, Martin Cordier, Hector Letellier +4
We report on the realization and characterization of a novel magic-wavelength nanofiber-based two-color optical dipole trap for cesium that allows us to generate two diametral peri…
Light-matter interaction at the transition between cavity and waveguide QED
Daniel Lechner, Riccardo Pennetta, Martin Blaha +3
Experiments based on cavity quantum electrodynamics (QED) are widely used to study the interaction of a light field with a discrete frequency spectrum and emitters. More recently,…
Roadmap on structured waves
K. Y. Bliokh, E. Karimi, M. J. Padgett +47
Structured waves are ubiquitous for all areas of wave physics, both classical and quantum, where the wavefields are inhomogeneous and cannot be approximated by a single plane wave.…
Feedback-cooling the fundamental torsional mechanical mode of a tapered optical fiber to 30 mK
Felix Tebbenjohanns, Jihao Jia, Michael Antesberger +5
Tapered optical fibers (TOFs) are used in many areas of physics and optical technologies ranging from coupling light into nanophotonic components to optical sensing and amplificati…
Tailoring photon statistics with an atom-based two-photon interferometer
Martin Cordier, Max Schemmer, Philipp Schneeweiss +2
Controlling the photon statistics of light is paramount for quantum science and technologies. Recently, we demonstrated that transmitting resonant laser light past an ensemble of t…
Observation of superradiant bursts in a cascaded quantum system
Christian Liedl, Felix Tebbenjohanns, Constanze Bach +3
Dicke superradiance describes the collective radiative decay of a fully inverted ensemble of two-level atoms. We experimentally investigate this effect for a chiral, i.e.,~directio…
State-Insensitive Trapping of Alkaline-Earth Atoms in a Nanofiber-Based Optical Dipole Trap
K. Ton, G. Kestler, D. Filin +7
Neutral atoms trapped in the evanescent optical potentials of nanotapered optical fibers are a promising platform for developing quantum technologies and exploring fundamental scie…
Higher-order mean-field theory of chiral waveguide QED
Kasper J. Kusmierek, Sahand Mahmoodian, Martin Cordier +6
Waveguide QED with cold atoms provides a potent platform for the study of non-equilibrium, many-body, and open-system quantum dynamics. Even with weak coupling and strong photon lo…
Observation of oscillatory Raman gain associated with two-photon Rabi oscillations of nanofiber-coupled atoms
Christian Liedl, Sebastian Pucher, Philipp Schneeweiss +2
Quantum emitters with a -type level structure enable numerous protocols and applications in quantum science and technology. Understanding and controlling their dynamics is, ther…
Collective excitation and decay of waveguide-coupled atoms: from timed Dicke states to inverted ensembles
Christian Liedl, Sebastian Pucher, Felix Tebbenjohanns +2
The collective absorption and emission of light by an ensemble of atoms is at the heart of many fundamental quantum optical effects and the basis for numerous applications. However…
Observation of coherent coupling between super- and subradiant states of an ensemble of cold atoms collectively coupled to a single propagating optical mode
Riccardo Pennetta, Daniel Lechner, Martin Blaha +3
We discuss the evolution of the quantum state of an ensemble of atoms that are coupled via a single propagating optical mode. We theoretically show that the quantum state of N atom…
Collective radiative dynamics of an ensemble of cold atoms coupled to an optical waveguide
Riccardo Pennetta, Martin Blaha, Aisling Johnson +4
We experimentally and theoretically investigate collective radiative effects in an ensemble of cold atoms coupled to a single-mode optical nanofiber. Our analysis unveils the micro…
Atomic spin-controlled non-reciprocal Raman amplification of fibre-guided light
Sebastian Pucher, Christian Liedl, Shuwei Jin +2
In a non-reciprocal optical amplifier, gain depends on whether the light propagates forwards or backwards through the device. Typically, one requires either the magneto-optical eff…
Bragg condition for scattering into a guided optical mode
B. Olmos, C. Liedl, I. Lesanovsky +1
We theoretically investigate light scattering from an array of atoms into the guided modes of a waveguide. We show that the scattering of a plane wave laser field into the waveguid…
Unraveling two-photon entanglement via the squeezing spectrum of light traveling through nanofiber-coupled atoms
Jakob Hinney, Adarsh S. Prasad, Sahand Mahmoodian +5
We observe that a weak guided light field transmitted through an ensemble of atoms coupled to an optical nanofiber exhibits quadrature squeezing. From the measured squeezing spectr…
Probing Surface-Bound Atoms with Quantum Nanophotonics
Daniel Hümmer, Oriol Romero-Isart, Arno Rauschenbeutel +1
Quantum control of atoms at ultrashort distances from surfaces would open a new paradigm in quantum optics and offer a novel tool for the investigation of near-surface physics. Her…