Optomechanics articles within Nature Communications

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  • Article
    | Open Access

    Dielectric constant of non-fullerene acceptors plays a critical role in organic solar cells in terms of exciton dissociation and charge recombination. Here, authors report selenium substitution on central core of acceptors to improve dielectric constant, realizing devices with efficiency of 19.0%.

    • Xinjun He
    • , Feng Qi
    •  & Wallace C. H. Choy

  • Article
    | Open Access

    When multiple oscillators are tuned, degeneracies occur on a knot-shaped region in the space of tuning parameters. This knot influences how such systems can be tuned. Here, the authors reconcile two common means for visualizing this influence.

    • Chitres Guria
    • , Qi Zhong
    •  & Jack Gwynne Emmet Harris

  • Article
    | Open Access

    The authors combined optical traps and frequency combs to create new acoustic technology – a mechanical frequency comb. The generation of this comb does not require any precision control, making it uniquely positioned for sensing, metrology, and quantum technology.

    • Matthijs H. J. de Jong
    • , Adarsh Ganesan
    •  & Richard A. Norte

  • Article
    | Open Access

    To realize the full promise of topological mechanical vibrations, they have to be controlled successfully at the nanoscale. Here the authors report topological phonon transport in an optomechanical array. This unlocks the full toolbox of cavity optomechanics, coupling light to motion, for the area of topological phononics.

    • Hengjiang Ren
    • , Tirth Shah
    •  & Oskar Painter

  • Article
    | Open Access

    Unsuspended optomechanical systems might enable unique applications for quantum sensing and transduction. Here, the authors demonstrate a two-dimensional slab-on-substrate optomechanical crystal empowered by mechanical bound states in the continuum.

    • Shengyan Liu
    • , Hao Tong
    •  & Kejie Fang

  • Article
    | Open Access

    Low dissipation of fundamental mode is a determinant factor in nanomechanical resonator design. Here the authors realize soft clamping for the fundamental mode in a nanomechanical tensile structure achieving low loss, low mass, and low resonance frequency that render it a perfect force sensor.

    • M. J. Bereyhi
    • , A. Beccari
    •  & N. J. Engelsen

  • Article
    | Open Access

    A route to scalability for superconducting quantum computation is the modular approach, which however requires coherent microwave-to-optical conversion. Here the authors use gallium phosphide optomechanical crystal cavities for this task, exploiting their high refractive index and large OM coupling rate.

    • Simon Hönl
    • , Youri Popoff
    •  & Paul Seidler

  • Article
    | Open Access

    ’Systems with long coherence times are extremely important for the processing of quantum information. To this end the authors present a system able to cool down a resonator to its quantum mechanical ground state harnessing the large coupling between an ultra-coherent mechanical resonator and a superconducting circuit.’

    • Yannick Seis
    • , Thibault Capelle
    •  & Albert Schliesser

  • Article
    | Open Access

    Typically, phonon trapping is performed using mechanically suspended structures which have many limitations. Here the authors study a phononic structure that supports mechanical bound states in the continuum (BICs) at microwave frequencies with topological features.

    • Hao Tong
    • , Shengyan Liu
    •  & Kejie Fang

  • Article
    | Open Access

    Efficient generation of phonons is an important ingredient for a prospective electrically-driven phonon laser for coherent control of quantum systems. Here, the authors report on laser-like phonon emission in a hybrid semiconductor microcavity that optomechanically couples BEC polaritons with phonons.

    • D. L. Chafatinos
    • , A. S. Kuznetsov
    •  & A. Fainstein

  • Article
    | Open Access

    Existing solutions to interface the microwave and optical domains lack either scalability or efficiency. Here, the authors demonstrate a CMOS compatible converter between microwave and optical signals based on silicon an optomechanical device with a total bidirectional transduction efficiency of 1.2% at millikelvin temperatures.

    • G. Arnold
    • , M. Wulf
    •  & J. M. Fink

  • Article
    | Open Access

    Hybrid quantum systems would allow interfacing superconducting nodes with optical links. Here, the authors demonstrate an integrated platform where 10 GHz phonons are resonantly coupled with photons in a superconducting cavity and a nanophotonic cavity at the same time, allowing efficient mediation of bidirectional microwave-optical conversion.

    • Xu Han
    • , Wei Fu
    •  & Hong X. Tang

  • Article
    | Open Access

    Efficient switching and routing of photons of different wavelengths is desirable for future quantum information applications. To this end the authors demonstrate interference in a multimode system between two optomechanically induced transparency processes in a diamond on-chip cavity.

    • David P. Lake
    • , Matthew Mitchell
    •  & Paul E. Barclay

  • Article
    | Open Access

    Carbon nanotube mechanical resonators are difficult to couple optomechanically to microwave fields. Here, the authors exploit Coulomb blockade’s nonlinearity to amplify the single photon coupling between a suspended carbon nanotube quantum dot and a microwave cavity by several orders of magnitude.

    • Stefan Blien
    • , Patrick Steger
    •  & Andreas K. Hüttel

  • Article
    | Open Access

    Current optomechanical implementations of microwave and optical frequency interconversion are lacking in efficiency and interaction strength. The authors design and demonstrate an on-chip piezo-optomechanical solution which overcomes several technical barriers to reach several orders of magnitude improvement in efficiency.

    • Wentao Jiang
    • , Christopher J. Sarabalis
    •  & Amir H. Safavi-Naeini

  • Article
    | Open Access

    Applications of quantum information processing require distribution of quantum states for linking nodes in networks and mechanical oscillators can create versatile links. Here, the authors describe continuous variable entanglement between two optical modes mediated by a mechanical oscillator.

    • Junxin Chen
    • , Massimiliano Rossi
    •  & Albert Schliesser

  • Article
    | Open Access

    Capacitive optomechanics in the microwave regime suffers from inherent and practical limitations on the maximum achievable coupling strength. Here, the authors demonstrate flux-mediated inductive optomechanical coupling allowing tunable single-photon coupling rates.

    • I. C. Rodrigues
    • , D. Bothner
    •  & G. A. Steele

  • Article
    | Open Access

    Designing reliable and sensitive mechanical sensing technologies based on piezoresistive effect remains a challenge. Here, the authors propose an opto-electro-mechanical coupling strategy to enable giant piezoresistive effect in a highly doped 3C-SiC/Si heterojunction achieving a high GF of 58,000.

    • Thanh Nguyen
    • , Toan Dinh
    •  & Dzung Viet Dao

  • Article
    | Open Access

    Measurements of motion that avoid quantum backaction, with the potential to surpass the standard quantum limit, have so far been demonstrated using microwave radiation. Here, Shomroni, Qiu et al. demonstrate a backaction-evading measurement of the motion of a nanomechanical beam using laser light.

    • Itay Shomroni
    • , Liu Qiu
    •  & Tobias J. Kippenberg

  • Article
    | Open Access

    With the wide adoption of ultrasound methods in biomedical and technological diagnostics, sensitive probes are in demand. Here, the authors employ cavity optomechanics where optical and mechanical resonances are coupled, both enhancing the sensitivity of the device and allowing its chip-integration.

    • Sahar Basiri-Esfahani
    • , Ardalan Armin
    •  & Warwick P. Bowen

  • Article
    | Open Access

    Precise gravimetric measurements are an important but challenging task. Here, Qvarfort et al. theoretically show that, in an optomechanical cavity, only the phase of the optical output needs to be measured to obtain a precise value for the gravitational acceleration with high sensitivity.

    • Sofia Qvarfort
    • , Alessio Serafini
    •  & Sougato Bose

  • Article
    | Open Access

    Although electro-and optomechanics has recently moved towards the quantum regime, the quantized energy spectrum of a mechanical oscillator has not been directly observed. Here Dellantonio et al. propose an electromechanical setup with a membrane resonator that could enable phonon number measurements.

    • Luca Dellantonio
    • , Oleksandr Kyriienko
    •  & Anders S. Sørensen

  • Article
    | Open Access

    Distributed fibre sensors are so far restricted to the monitoring of conditions within the core. Here, Bashan et al. introduce distributed optomechanical mapping of outside media, where light cannot reach. The sensor resolves forward stimulated Brillouin scattering through Rayleigh back-scatter.

    • Gil Bashan
    • , Hilel Hagai Diamandi
    •  & Avi Zadok

  • Article
    | Open Access

    Upconversion nanoparticles, which convert lower-energy light into higher-energy light, have many potential applications including sensing and imaging. Here, Wen et al. review recent advances that have addressed concentration quenching and enabled increasingly bright nanoparticles, opening up their full potential.

    • Zhen Shen
    • , Yan-Lei Zhang
    •  & Chun-Hua Dong

  • Article
    | Open Access

    Nonreciprocal optical elements mostly rely on magnetic fields to break time-reversal symmetry, an approach that is difficult to integrate on-chip. Here, Ruesink et al. describe and demonstrate 4-port circulation at telecom wavelengths using a magnetic-field-free optomechanical resonator.

    • Freek Ruesink
    • , John P. Mathew
    •  & Ewold Verhagen

  • Article
    | Open Access

    Understanding the dynamics of nanomechanical probes is important for improving high-sensitivity force field sensing. Here, the authors study the vibrations of a suspended nanowire in the presence of a rotational optical force field which breaks the orthogonality of the nanoresonator eigenmodes.

    • Laure Mercier de Lépinay
    • , Benjamin Pigeau
    •  & Olivier Arcizet

  • Article
    | Open Access

    Phonon transport control is important for thermal and non-reciprocal devices. Here, Seif et al. combine heat transport in nanostructures and optomechanics into a platform for manipulating phonons with which they design an acoustic isolator and a thermal diode.

    • Alireza Seif
    • , Wade DeGottardi
    •  & Mohammad Hafezi

  • Article
    | Open Access

    Optomechanics has recently moved into the quantum regime. Here, Tavernarakis et al. demonstrate that a hybrid optomechanical device made up of a carbon nanotube with a metal nanoparticle at its tip can push force measurements towards the quantum regime at room temperature.

    • A. Tavernarakis
    • , A. Stavrinadis
    •  & P. Verlot

  • Article
    | Open Access

    Fully integratable spectrometers have trade-offs between size and resolution. Here, the authors present a nano-opto-electro-mechanical system where the functionalities of transduction, actuation and detection are fully integrated, resulting in an ultra-compact high-resolution spectrometer with a micrometer-scale footprint.

    • Žarko Zobenica
    • , Rob W. van der Heijden
    •  & Andrea Fiore

  • Article
    | Open Access

    Achieving fast, sensitive and room temperature detection of terahertz waves remains a formidable scientific and technological challenge. Here, the authors propose a compact terahertz device combining concepts from metamaterial resonators, optomechanics and semiconductor nanotechnology.

    • Cherif Belacel
    • , Yanko Todorov
    •  & Carlo Sirtori

  • Article
    | Open Access

    Although optomechanics enables precision metrology, measurements beyond mechanical properties often require hybrid devices. Here, Kim et al. demonstrate that a ferromagnetic needle integrated with a torsional resonator can determine the magnetic properties and amplify or cool the resonator motion.

    • P. H. Kim
    • , B. D. Hauer
    •  & J. P. Davis

  • Article
    | Open Access

    Coupled mechanical resonators where each mode can be separately controlled are a promising system for quantum information processing. Here, Weaver et al. demonstrate coherent swapping of optomechanical states between two separate resonators.

    • Matthew J. Weaver
    • , Frank Buters
    •  & Dirk Bouwmeester

  • Article
    | Open Access

    Nonreciprocal optical devices traditionally rely on magnetic fields and magnetic-free approaches are rather recent. Here, Bernier et al. propose and demonstrate a purely optomechanical circulator with reconfigurable transmission without the need for direct coupling between input and output modes.

    • N. R. Bernier
    • , L. D. Tóth
    •  & T. J. Kippenberg

  • Article
    | Open Access

    Chiral transport can provide robustness against disorder, resulting in improved resonant modes for sensing and metrology. Here, Kim et al. demonstrate chiral phonon transport, disorder suppression and anomalous cooling without damping in an asymmetrically-pumped optomechanical system.

    • Seunghwi Kim
    • , Xunnong Xu
    •  & Gaurav Bahl

  • Article
    | Open Access

    Optomechanical experiments often assume linear coupling between optical fluctuations and mechanical displacements. Here, Leijssenet al. experimentally demonstrate the nonlinear interaction from thermally induced fluctuations in a sliced nanobeam cavity with high cooperativity.

    • Rick Leijssen
    • , Giada R. La Gala
    •  & Ewold Verhagen

  • Article
    | Open Access

    Light-induced deformation known as photostriction could be used for green energy devices but in most materials the effect is too small to be of practical use. Here, Weiet al. study the photostriction of strontium ruthenate and find photon-induced strain efficiencies of more than one percent.

    • Tzu-Chiao Wei
    • , Hsin-Ping Wang
    •  & Jr-Hau He

  • Article
    | Open Access

    In optomechanics, optical nonlinearities are usually regarded as detrimental and efforts are made to minimize their effects. Here, the authors study the complex dynamics, including chaos, arising from the coupling of such optical nonlinearities with the mechanical modes of a silicon nanobeam cavity.

    • Daniel Navarro-Urrios
    • , Néstor E. Capuj
    •  & Clivia M. Sotomayor-Torres

  • Article
    | Open Access

    Flexible approaches are required for building plasmomechanical devices for tunable optical devices. Here, Roxworthyet al. introduce a plasmonic-nanoelectromechanical systems device where gap plasmon resonators are embedded into arrays of moving silicon nitride nanostructures, yielding thousands of devices per chip.

    • Brian J. Roxworthy
    •  & Vladimir A. Aksyuk

  • Article
    | Open Access

    Real-time quantum feedback control can be used to cool quantum systems to their motional ground states, but this has been so far achieved via classical probe fields. Here the authors report feedback cooling of a mechanical oscillator using a squeezed field, reporting higher cooling rate over classical light.

    • Clemens Schäfermeier
    • , Hugo Kerdoncuff
    •  & Ulrik L. Andersen

  • Article
    | Open Access

    Nonreciprocal components are widely used in optical circuits but the magneto-optic effects they are based on pose difficulties for on-chip integration. Here, Ruesink et al. propose an optomechanical scheme to break reciprocity without the need for magnetic fields.

    • Freek Ruesink
    • , Mohammad-Ali Miri
    •  & Ewold Verhagen

  • Article
    | Open Access

    Cavity optomechanics enables measurement of torque at levels unattainable by previous techniques, but the main obstacle to improved sensitivity is thermal noise. Here the authors present cryogenic measurement of a cavity-optomechanical torsional resonator with unprecedented torque sensitivity of 2.9 yNm/√Hz.

    • P. H. Kim
    • , B. D. Hauer
    •  & J. P. Davis

  • Article
    | Open Access

    Graphene is a promising material for the design of mechanical resonators. Here, the authors fabricate a multilayer graphene resonator coupled to a superconducting cavity, to achieve efficient readout of mechanical vibrations and quantitatively investigate its force sensing performance.

    • P. Weber
    • , J. Güttinger
    •  & A. Bachtold

  • Article
    | Open Access

    Preparation and detection of mechanical objects at the quantum zero-point level has been achieved in both the optical and microwave regimes. Here, the authors develop silicon nitride nanomembranes that are suitable for integrating nanophotonic, nanomechanical and superconducting microwave circuits together.

    • J. M. Fink
    • , M. Kalaee
    •  & O. Painter

  • Article
    | Open Access

    Detection of a single nanoparticle or molecule is essential for many applications. Here, Yu et al.demonstrate the use of an optical cavity with optomechanical oscillation to detect single bovine serum albumin proteins, with potential for studying mechanical properties and interactions of individual molecules.

    • Wenyan Yu
    • , Wei C Jiang
    •  & Tao Lu

  • Article
    | Open Access

    Optomechanics harnesses the interaction between mechanical resonators and light, but weak matter–single-photon interactions limit studies to the linear regime. Here, the authors show that the interaction can be enhanced by modulating the spring constant of the resonator.

    • Marc-Antoine Lemonde
    • , Nicolas Didier
    •  & Aashish A. Clerk

  • Article
    | Open Access

    The photophysics of lead halide perovskites is under intense investigation. Here, the authors use force microscopy on single crystals to show that light induces drastic lattice changes, and propose that the weakening of the hydrogen coupling under illumination is responsible for the lattice dilatation.

    • Yang Zhou
    • , Lu You
    •  & Junling Wang

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