Optics and photonics articles within Nature Communications

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  • Article
    | Open Access

    The requirement of a high applied voltage remains a critical issue for blue organic-light emitting diodes. Here, the authors determine the appropriate donor-acceptor combination for triplet-triplet annihilation upconversion emission, achieving a low turn-on voltage of 1.47 V in blue devices.

    • Seiichiro Izawa
    • , Masahiro Morimoto
    •  & Masahiro Hiramoto

  • Article
    | Open Access

    Spatial transcriptomics of histological sections have revolutionized basic research, while the actual biomolecular composition of the sample has fallen behind. Here, the authors propose a novel approach to analyze untargeted spatiomolecular Raman spectroscopy data through bioinformatic tools developed for transcriptomic analyses, and integrate them with additional Omics techniques.

    • Manuel Sigle
    • , Anne-Katrin Rohlfing
    •  & Meinrad Paul Gawaz

  • Article
    | Open Access

    Photonic, electronic and lattice resonances in patterned semiconductor microcavities are tailored to demonstrate coherent bidirectional microwave-to-optical conversion via phonon-exciton-photon quasi-particles in the strong-coupling regime.

    • Alexander Sergeevich Kuznetsov
    • , Klaus Biermann
    •  & Paulo Ventura Santos

  • Article
    | Open Access

    Dissipative optomechanics, once limited to low frequencies, now operates in a sideband-resolved regime, reshaping optical and mechanical spectra and paving the way for the individual addressing of different mechanical modes in a single device.

    • André G. Primo
    • , Pedro V. Pinho
    •  & Thiago P. Mayer Alegre

  • Article
    | Open Access

    Designing optoelectronic synapses having a multispectral color-discriminating ability is crucial for neuromorphic visual system. Here, the authors propose an strategy to introduce RGB color-discriminating synaptic functionality into a 2-terminals memristor regardless of switching medium and design a color image-recognizing CNN and light-programmable reservoir computing.

    • Jongmin Lee
    • , Bum Ho Jeong
    •  & Hui Joon Park

  • Article
    | Open Access

    Here, the authors correlate the position and spectral emission properties of single photon emitters in monolayer WSe2 with the surrounding local strain potential by combining deep-subwavelength photoluminescence imaging and atomic force microscopy, providing insights on the microscopic mechanisms behind the formation of the quantum emitters.

    • Artem N. Abramov
    • , Igor Y. Chestnov
    •  & Vasily Kravtsov

  • Article
    | Open Access

    Intense light pulses can create nonlinear ionization processes in atoms and molecules. Here the authors study the photoionization of xenon atoms using intense free-electron laser pulses that can create extremely high charge states and produce hollow atoms, featuring up to six simultaneous core-holes.

    • Aljoscha Rörig
    • , Sang-Kil Son
    •  & Rebecca Boll

  • Article
    | Open Access

    Demand for data recovery from monolithic storage devices is high but current methods are inefficient. Here, authors develop a robotic OCT-guided inspection and microsurgery method, minimizing damage to device and enhancing data recovery efficiency.

    • Bin He
    • , Yuxin Zhang
    •  & Ning Zhang

  • Article
    | Open Access

    Virtual optical waveguide can be potentially utilised in variety of applications that require in situ light steering yet the efficacy is still unclear. Here, the authors show that ultrasonically-sculpted virtual gradient-index waveguides are effective in guiding and confining light inside tissue and other scattering media, and significantly outperform external lenses at this task.

    • Adithya Pediredla
    • , Matteo Giuseppe Scopelliti
    •  & Ioannis Gkioulekas

  • Article
    | Open Access

    Emerged sustainable techniques for nitrogen fixation still lack ammonia yield rate to be practically relevant. Here, the authors demonstrate a laser–induced method to deliver a yield rate of 30.9 µmol s-1 cm−2 at ambient conditions, which is two orders of magnitude higher than other methods.

    • Huize Wang
    • , Ranga Rohit Seemakurthi
    •  & Markus Antonietti

  • Article
    | Open Access

    The authors show how concepts from metasurface flat optics and folded optics can be combined to push the limits in miniaturization of optical systems. Such optical systems can be fabricated using low-index materials, opening up a path for large-area fabrication using nanoimprint lithography.

    • Brandon Born
    • , Sung-Hoon Lee
    •  & Mark L. Brongersma

  • Article
    | Open Access

    Effective energy transfer and suppressed dopant aggregation is critical for realizing efficient organic light-emitting diodes. Here, the authors report six host materials capable of exhibiting enhanced thermal stability and film-formation behavior, demonstrating efficiency of over 30% at 1000 cd/m2.

    • Dongmin Park
    • , Seokwoo Kang
    •  & Soo Young Park

  • Article
    | Open Access

    Modern microscopes can image a sample with sub-Angstrom and sub-picosecond resolutions, but this often requires analysis of tremendously large datasets. Here, the authors demonstrate that an autonomous experiment can yield over a 70% reduction in dataset size while still producing high-fidelity images of the sample.

    • Saugat Kandel
    • , Tao Zhou
    •  & Mathew J. Cherukara

  • Article
    | Open Access

    Due to the adjustable bandgap, flexibility, absence of heavy metals and high power per weight, organic laser converters have unique advantages in wireless power transfer. Here, authors integrate organic laser power converters exhibiting efficiency over 36% at 660 nm with photon flux of 9.5 mW/cm2.

    • Yafei Wang
    • , Zhong Zheng
    •  & Jianhui Hou

  • Article
    | Open Access

    Designing high efficient optoelectronic memory remains a challenge. Here, the authors report a novel optoelectronic memory device based on a photosensitive dielectric that is an insulator in dark and a semiconductor under irradiation with multilevel storage ability, low energy consumption and good compatibility.

    • Rui Zhu
    • , Huili Liang
    •  & Zengxia Mei

  • Article
    | Open Access

    In the magneto-optical Kerr effect, light incident on a magnetic material is reflected with a shifted polarization, the size of the shift characterized by the Kerr angle. Here, Kato et al introduce a topological magneto-optical Kerr effect, where the presence of skyrmions, a type of topological spin texture, leads to a significant enhancement of the Kerr signal.

    • Yoshihiro D. Kato
    • , Yoshihiro Okamura
    •  & Youtarou Takahashi

  • Article
    | Open Access

    Image stitching in fluorescence microscopy can be a hindrance to image quality and to downstream quantitative analyses. Here, the authors propose a deep learning-based stripe self-correction method that corrects diverse stripes and artifacts for stitched microscopic images.

    • Shu Wang
    • , Xiaoxiang Liu
    •  & Jianxin Chen

  • Article
    | Open Access

    Further extending the band edge of perovskite approaching the ideal bandgap of single-junction solar cell is essential to improve device efficiency. Here, the authors integrate optical resonances with perovskite solar cells to extend the band edge, achieving EQE-integrated current of 26.0 mA/cm2.

    • Jiangang Feng
    • , Xi Wang
    •  & Yi Hou

  • Article
    | Open Access

    Chemical imaging, including infrared spectroscopic microscopy with molecular sensitivity, is useful for label-free biomedical analyses, but is limited by slow speed and poor image quality. Here, the authors design a fast mid-infrared microscope with low noise and high spatial resolution for high-throughput imaging of whole slides.

    • Kevin Yeh
    • , Ishaan Sharma
    •  & Rohit Bhargava

  • Article
    | Open Access

    Traditional optical tweezers require high laser powers risking photothermal damage of the trapped objects. Here, the authors present hypothermal opto-thermophoretic tweezers (HOTTs), which use environmental cooling to simultaneously enhance thermophoretic trapping force at low laser powers and suppress the thermal damage to trapped objects.

    • Pavana Siddhartha Kollipara
    • , Xiuying Li
    •  & Yuebing Zheng

  • Article
    | Open Access

    Conventional super-oscillatory devices suffer from numerical-aperture related issue including depth of focus, chromatic dispersion, and focusing, Here, the authors utilised multi-objective genetic algorithm to optimise the design and experimentally demonstrated lens with an extended depth of focus, ultra-large working distance and suppressed side-lobes.

    • Wenli Li
    • , Pei He
    •  & Yiting Yu

  • Article
    | Open Access

    In this work, authors report a transparent dynamic infrared emissivity modulation mechanism based on reversible injection/extraction of electrons in aluminium-doped zinc oxide nanocrystals and demonstrate it for smart thermal management applications.

    • Yan Jia
    • , Dongqing Liu
    •  & Tianwen Liu

  • Article
    | Open Access

    Since their initial operation, free-electron lasers are regularly upgraded in their performance and parameter control. Here the authors present the first lasing results of the soft X-ray free-electron laser beamline of the Paul Scherrer Institute, demonstrating different modes of operation and polarisation control of the tailored soft X-ray pulses.

    • Eduard Prat
    • , Andre Al Haddad
    •  & Tobias Weilbach

  • Article
    | Open Access

    Measurement and control of the carrier-envelope phase (CEP) is essential for applications of few-cycle laser beams. The authors present a compact on-chip, ambient-air, CEP scanning probe and show a 3D map of spatial changes of CEP and demonstrate CEP control in the focal volume with a spatial light modulator.

    • Václav Hanus
    • , Beatrix Fehér
    •  & Péter Dombi

  • Article
    | Open Access

    Current multispectral video cameras can hardly scale up beyond megapixel resolution and do not apply to large-scale scenes. The authors design a tens-ofmegapixel handheld multi-spectral imaging scheme, build a setup achieving 65-megapixel videography of 12 wavebands, and show its wide applications.

    • Weihang Zhang
    • , Jinli Suo
    •  & Qionghai Dai

  • Article
    | Open Access

    Spectroscopic gas sensing with high sensitivity and selectivity finds an increasing number of applications. Here, the authors report an approach to ultrasensitive multiplexed gas sensing by integrating dual-comb spectroscopy with cavity optomechanics.

    • Xinyi Ren
    • , Jin Pan
    •  & Heping Zeng

  • Article
    | Open Access

    Multicolor imaging employing genetically-encodable fluorescent proteins permits spatiotemporal live cell imaging of multiple cues. Here, authors use multicolor lifetime imaging to visualize quadruple-labelled human immunodeficiency viruses within cellular contexts.

    • Tobias Starling
    • , Irene Carlon-Andres
    •  & Sergi Padilla-Parra

  • Article
    | Open Access

    Understanding the mechanical properties of materials is critical in many fields, from soft hydrogels to biological tissues, yet current measurement methods lack the spatial and time resolution to characterize samples with complex structures. Here, the authors show non-invasive elastography technique offering advancements in resolution, sensitivity, and measurement frequencies.

    • Xu Feng
    • , Guo-Yang Li
    •  & Seok-Hyun Yun

  • Article
    | Open Access

    By using tumor-specific fluorescent tracers, fluorescence molecular imaging (FMI) can be used to visualize tumor tissues with high specificity. Here the authors report the results of a phase II trial to evaluate the diagnostic accuracy of an EGFR-targeted FMI for intraoperative margin assessment in patients with oral squamous cell carcinoma.

    • Jaron G. de Wit
    • , Jasper Vonk
    •  & Max J. H. Witjes

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