Featured
-
-
Article
| Open AccessCanted spin order as a platform for ultrafast conversion of magnons
A study demonstrates a new functionality of canted spin order for magnonics and shows that it facilitates mechanisms for ultrafast nonlinear conversion of magnons.
- R. A. Leenders
- , D. Afanasiev
- & R. V. Mikhaylovskiy
-
Article
| Open AccessCapturing electron-driven chiral dynamics in UV-excited molecules
Time-resolved photoelectron circular dichroism with a temporal resolution of 2.9 fs is used to track the ultrafast electron dynamics following ultraviolet excitation of neutral chiral molecules, which generate chiral currents that exhibit periodic rotation direction reversal.
- Vincent Wanie
- , Etienne Bloch
- & Francesca Calegari
-
Article |
Creation of memory–memory entanglement in a metropolitan quantum network
A metropolitan-area quantum network based on the generation of pairwise entanglement is formed by three atomic quantum memories connected to a central photonic server.
- Jian-Long Liu
- , Xi-Yu Luo
- & Jian-Wei Pan
-
Article |
An atomic boson sampler
Boson sampling using ultracold atoms in a two-dimensional, tunnel-coupled optical lattice is enabled by high-fidelity programmable control with optical tweezers of a large number of atoms trapped in an optical lattice.
- Aaron W. Young
- , Shawn Geller
- & Adam M. Kaufman
-
Article |
All-optical subcycle microscopy on atomic length scales
All-optical subcycle microscopy is achieved on atomic length scales, with picometric spatial and femtosecond temporal resolution.
- T. Siday
- , J. Hayes
- & R. Huber
-
Article
| Open AccessLithium tantalate photonic integrated circuits for volume manufacturing
Electro-optical photonic integrated circuits based on lithium tantalate perform as well as current state-of-the-art ones using lithium niobate but the material has the advantage of existing commercial uses in consumer electronics, easing the problem of scalability.
- Chengli Wang
- , Zihan Li
- & Tobias J. Kippenberg
-
Article
| Open AccessOptical clocks at sea
Sea-based optical clocks combining a molecular iodine spectrometer, fibre frequency comb and electronics for monitoring and control demonstrate high precision in a smaller volume than active hydrogen masers.
- Jonathan D. Roslund
- , Arman Cingöz
- & Martin M. Boyd
-
Article
| Open AccessLight-wave-controlled Haldane model in monolayer hexagonal boron nitride
We introduce strong tailored light-wave-driven time-reversal symmetry breaking in monolayer hexagonal boron nitride, realizing a sub-laser-cycle controllable analogue of the topological model of Haldane and inducing non-resonant valley polarization.
- Sambit Mitra
- , Álvaro Jiménez-Galán
- & Shubhadeep Biswas
-
Article |
Phononic switching of magnetization by the ultrafast Barnett effect
Ultrafast light-induced driving of phonons at resonance in a substrate facilitates the permanent reversal of the magnetic state of a material mounted on it.
- C. S. Davies
- , F. G. N. Fennema
- & A. Kirilyuk
-
Article |
Optomechanical realization of the bosonic Kitaev chain
We report the experimental realization of a bosonic Kitaev chain in a nano-optomechanical network.
- Jesse J. Slim
- , Clara C. Wanjura
- & Ewold Verhagen
-
Article |
Integrated frequency-modulated optical parametric oscillator
An integrated device that combines optical parametric oscillation and electro-optic modulation in lithium niobate creates a flat-top frequency-comb-like output with low power requirements.
- Hubert S. Stokowski
- , Devin J. Dean
- & Amir H. Safavi-Naeini
-
Article
| Open AccessIntegrated optical frequency division for microwave and mmWave generation
A miniaturized optical frequency division system that could transfer the generation of microwaves, with superior spectral purity, to a complementary metal-oxide-semiconductor-compatible integrated photonic platform is demonstrated showing potential for large-volume, low-cost manufacturing for many applications.
- Shuman Sun
- , Beichen Wang
- & Xu Yi
-
Article |
A 3D nanoscale optical disk memory with petabit capacity
Optical nanoscale disk memory with petabit-level capacity is developed by extending the recording architecture to three dimensions with hundreds of layers, and exabit-level storage can be achieved by stacking the disks into arrays.
- Miao Zhao
- , Jing Wen
- & Min Gu
-
Article
| Open AccessDirective giant upconversion by supercritical bound states in the continuum
An experimental design consisting of a photonic-crystal nanoslab covered with upconversion nanoparticles demonstrates the phenomenon of supercritical coupling, resulting in giant enhancement of upconversion by photonic bound states in the continuum.
- Chiara Schiattarella
- , Silvia Romano
- & Gianluigi Zito
-
Article
| Open AccessSingle-photon superradiance in individual caesium lead halide quantum dots
Excitonic single-photon superradiance is reported in individual perovskite quantum dots with a sub-100 ps radiative decay time, almost as short as the reported exciton coherence time.
- Chenglian Zhu
- , Simon C. Boehme
- & Gabriele Rainò
-
Article |
Nozaki–Bekki solitons in semiconductor lasers
Free-running stable optical dissipative solitons, called Nozaki–Bekki solitons, are created in a ring semiconductor laser; their spontaneous formation with tuning of laser bias eliminates the need for an external optical pump.
- Nikola Opačak
- , Dmitry Kazakov
- & Benedikt Schwarz
-
Article
| Open AccessThe persistence of memory in ionic conduction probed by nonlinear optics
Single-cycle terahertz pumps are used to impulsively trigger ionic hopping in battery solid electrolytes, probing ion transport at its fastest limit and demonstrating the connection between activated transport and the thermodynamics of information.
- Andrey D. Poletayev
- , Matthias C. Hoffmann
- & Aaron M. Lindenberg
-
Article
| Open AccessObservation of interband Berry phase in laser-driven crystals
The Berry phase is resolved in light-driven crystals, via attosecond interferometry, in which the electronic wavefunction accumulates a geometric phase as it interacts with the laser field, mapping its coherence into the emission of high-order harmonics.
- Ayelet J. Uzan-Narovlansky
- , Lior Faeyrman
- & Nirit Dudovich
-
Article |
Kerr-induced synchronization of a cavity soliton to an optical reference
The passive and electronics-free Kerr-induced synchronization of optical-frequency combs could be used in their control and stabilization and to simplify optical clock systems.
- Grégory Moille
- , Jordan Stone
- & Kartik Srinivasan
-
Article |
A superconducting nanowire single-photon camera with 400,000 pixels
The development of a 400,000-pixel superconducting nanowire single-photon detector array is described, improving the current state of the art by a factor of 400 and showing scalability well beyond the present demonstration.
- B. G. Oripov
- , D. S. Rampini
- & A. N. McCaughan
-
Article |
Coherent nanophotonic electron accelerator
A scalable nanophotonic electron accelerator with a high particle acceleration gradient and good beam confinement achieves an energy gain of 43%.
- Tomáš Chlouba
- , Roy Shiloh
- & Peter Hommelhoff
-
Article
| Open AccessResonant X-ray excitation of the nuclear clock isomer 45Sc
Resonant X-ray excitation of the 45Sc nuclear isomeric state was achieved by irradiation of a Sc-metal foil with 12.4-keV photon pulses from a state-of-the-art X-ray free-electron laser, allowing a high-precision determination of the transition energy.
- Yuri Shvyd’ko
- , Ralf Röhlsberger
- & Tomasz Kolodziej
-
Article |
Magneto-optics in a van der Waals magnet tuned by self-hybridized polaritons
In the layered magnetic semiconductor CrSBr, emergent light–matter hybrids (polaritons) increase the spectral bandwidth of correlations between the magnetic, electronic and optical properties, enabling largely tunable optical responses to applied magnetic fields and magnons.
- Florian Dirnberger
- , Jiamin Quan
- & Vinod M. Menon
-
Article
| Open AccessDynamic optical response of solids following 1-fs-scale photoinjection
Petahertz-scale optical-field metrology in a pump-probe setting enables the direct observation of how the optical properties of a medium evolve after 1-fs-scale photoinjection.
- Dmitry A. Zimin
- , Nicholas Karpowicz
- & Vladislav S. Yakovlev
-
Article
| Open AccessDensity-wave ordering in a unitary Fermi gas with photon-mediated interactions
An experiment with atoms and photons provides a fully tunable and microscopically controllable platform for the experimental study of the interplay of superfluidity and density-wave order.
- Victor Helson
- , Timo Zwettler
- & Jean-Philippe Brantut
-
Article
| Open AccessPhoto-induced high-temperature ferromagnetism in YTiO3
All-optical, mode-selective manipulation of the crystal lattice can be used to enhance and stabilize ferromagnetism in YTiO3 well above its equilibrium ordering temperature and for many nanoseconds, enabling dynamic engineering of practically useful non-equilibrium functionalities in fluctuating electronic systems.
- A. S. Disa
- , J. Curtis
- & A. Cavalleri
-
Article |
Tracing attosecond electron emission from a nanometric metal tip
Two-colour modulation spectroscopy of laser field-driven electrons uncovers the suboptical-cycle strong-field emission dynamics from nanostructures with attosecond precision by measuring photoelectron spectra of electrons as function of the relative phase between the two colours.
- Philip Dienstbier
- , Lennart Seiffert
- & Peter Hommelhoff
-
Article |
Many-body cavity quantum electrodynamics with driven inhomogeneous emitters
Under strong excitation, inhomogeneously broadened solid-state emitters coupled with high cooperativity to a cavity demonstrate collectively induced transparency and dissipative many-body dynamics, resulting from cavity–ion coupling.
- Mi Lei
- , Rikuto Fukumori
- & Andrei Faraon
-
Article |
Build-up and dephasing of Floquet–Bloch bands on subcycle timescales
The build-up and dephasing of Floquet-–Bloch bands is visualized in both subcycle band-structure videography and quantum theory, revealing the interplay of strong-field intraband and interband excitations in a non-equilibrium Floquet picture.
- S. Ito
- , M. Schüler
- & R. Huber
-
Article |
Separating single- from multi-particle dynamics in nonlinear spectroscopy
Transient absorption with N prescribed excitation intensities allows isolation of N increasingly nonlinear responses, enabling separation of single- and multiple-exciton dynamics.
- Pavel Malý
- , Julian Lüttig
- & Tobias Brixner
-
Article
| Open AccessBeating the break-even point with a discrete-variable-encoded logical qubit
The lifetime of a qubit in a circuit quantum electrodynamics architecture can exceed the break-even point through quantum error correction, representing a key step towards scalable quantum computing.
- Zhongchu Ni
- , Sai Li
- & Dapeng Yu
-
Article |
Quantum-enabled millimetre wave to optical transduction using neutral atoms
We report an ensemble of cold 85Rb atoms strongly coupled to a superconducting resonator and optical cavity, resulting in the demonstration of quantum-enabled transduction of millimetre wave photons to optical photons.
- Aishwarya Kumar
- , Aziza Suleymanzade
- & Jonathan Simon
-
Article |
Observation of hydrodynamic plasmons and energy waves in graphene
By using new on-chip terahertz spectroscopy techniques to measure the absorption spectra of a graphene microribbon as well as the energy waves close to charge neutrality, hydrodynamic collective excitations are observed.
- Wenyu Zhao
- , Shaoxin Wang
- & Feng Wang
-
Article
| Open AccessAttosecond field emission
By using sub-cycle light transients to induce optical field emission of electron pulses from tungsten nanotips and a weak replica of the same transient, investigation of attosecond emission dynamics in real time is demonstrated.
- H. Y. Kim
- , M. Garg
- & E. Goulielmakis
-
Article |
Ultrathin quantum light source with van der Waals NbOCl2 crystal
A van der Waals crystal, niobium oxide dichloride, with vanishing interlayer electronic coupling and considerable monolayer-like excitonic behaviour in the bulk, as well as strong and scalable second-order optical nonlinearity, is discovered, which enables a high-performance quantum light source.
- Qiangbing Guo
- , Xiao-Zhuo Qi
- & Andrew T. S. Wee
-
Article |
Photonic flatband resonances for free-electron radiation
A study demonstrates full energy–momentum matching, and enhanced interaction, between free electrons and photons through a continuum of flatband resonances, realized in a silicon-on-insulator photonic crystal slab.
- Yi Yang
- , Charles Roques-Carmes
- & Marin Soljačić
-
Article |
A photonic integrated continuous-travelling-wave parametric amplifier
By using Si3N4 photonic integrated circuits on a silicon chip, a continuous-travelling-wave parametric amplifier is shown to yield a parametric gain exceeding both on-chip propagation loss as well as fibre–chip–fibre coupling losses.
- Johann Riemensberger
- , Nikolai Kuznetsov
- & Tobias J. Kippenberg
-
Article |
Integrated femtosecond pulse generator on thin-film lithium niobate
A femtosecond pulse generator is realized using an electro-optic time-lens system integrated on a lithium niobate photonic chip, capable of tunable repetition rates and wavelengths.
- Mengjie Yu
- , David Barton III
- & Marko Lončar
-
Article |
Spin–orbit microlaser emitting in a four-dimensional Hilbert space
A fully integrated semiconductor microlaser that exploits spin–orbit coupling of light emits in a four-dimensional Hilbert space, with flexible control of up to six degrees of freedom.
- Zhifeng Zhang
- , Haoqi Zhao
- & Liang Feng
-
Article |
Coherent surface plasmon polariton amplification via free-electron pumping
Stimulated emission by free electrons is used to amplify terahertz surface plasmon polaritons in a manner resembles that of light amplification in a high-gain free-electron laser.
- Dongdong Zhang
- , Yushan Zeng
- & Ruxin Li
-
Article
| Open AccessEntanglement-enhanced matter-wave interferometry in a high-finesse cavity
A matter-wave interferometer is demonstrated with an interferometric phase noise below the standard quantum limit, combining two core concepts of quantum mechanics, that a particle can simultaneously be in two places at once and entanglement between distinct particles.
- Graham P. Greve
- , Chengyi Luo
- & James K. Thompson
-
Article |
Attosecond clocking of correlations between Bloch electrons
By forcing electron–hole pairs onto closed trajectories attosecond clocking of delocalized Bloch electrons is achieved, enabling greater understanding of unexpected phase transitions and quantum-dynamic phenomena.
- J. Freudenstein
- , M. Borsch
- & R. Huber
-
Article |
Spontaneous generation and active manipulation of real-space optical vortices
A photonic platform that allows the spontaneous generation and active manipulation of an optical vortex–antivortex pair using an external magnetic field is demonstrated.
- Dongha Kim
- , Arthur Baucour
- & Min-Kyo Seo
-
Article |
Photonic topological insulator induced by a dislocation in three dimensions
By introducing a further modal dimension to transform a two-dimensional photonic waveguide array, a photonic topological insulator with protected topological surface states in three dimensions, enabled by a screw dislocation, is demonstrated.
- Eran Lustig
- , Lukas J. Maczewsky
- & Mordechai Segev
-
Article |
Femtosecond laser writing of lithium niobate ferroelectric nanodomains
We propose and experimentally demonstrate a non-reciprocal near-infrared femtosecond laser-writing technique for reconfigurable three-dimensional nanoscale ferroelectric domain engineering in LiNbO3 crystals.
- Xiaoyi Xu
- , Tianxin Wang
- & Yong Zhang
-
Article |
Kardar–Parisi–Zhang universality in a one-dimensional polariton condensate
Experiments show that the dynamics of phase fluctuations in a one-dimensional polariton condensate falls in the Kardar–Parisi–Zhang universality class, and theoretical analysis supports this finding revealing the key signatures of this universality class.
- Quentin Fontaine
- , Davide Squizzato
- & Jacqueline Bloch
-
Article
| Open AccessEfficient generation of entangled multiphoton graph states from a single atom
Using a single memory atom in a cavity, a deterministic protocol is implemented to efficiently grow Greenberger–Horne–Zeilinger and linear cluster states by means of single-photon emissions.
- Philip Thomas
- , Leonardo Ruscio
- & Gerhard Rempe
-
Article
| Open AccessObservation of Rabi dynamics with a short-wavelength free-electron laser
Rabi dynamics between the ground state and an excited state in helium atoms are generated using femtosecond extreme-ultraviolet pulses from a seeded free-electron laser, which may allow ultrafast manipulation of coherent processes at short wavelengths.
- Saikat Nandi
- , Edvin Olofsson
- & Jan Marcus Dahlström
-
Browse broader subjects
Browse narrower subjects
- Atom optics
- High-harmonic generation
- Magneto-optics
- Micro-optics
- Nanophotonics and plasmonics
- Nonlinear optics
- Polaritons
- Quantum optics
- Single photons and quantum effects
- Slow light
- Solitons
- Sub-wavelength optics
- Supercontinuum generation
- Terahertz optics
- Transformation optics
- Ultrafast photonics
- X-rays