Optics and photonics articles within Nature Communications

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  • Article
    | Open Access

    The authors present nonvolatile optical phase shift induced by ferroelectric hafnium zirconium oxide deposited on a SiN waveguide. This finding paves the way for largescale programmable photonic circuits for communication, computing, and sensing.

    • Kazuma Taki
    • , Naoki Sekine
    •  & Mitsuru Takenaka

  • Article
    | Open Access

    Achieving acoustic waveguides with low loss, tailorability, and easy fabrication is a considerable challenge. Here, the authors introduce suspended anti-resonant acoustic waveguides with superior confinement and high selectivity of acoustic modes, supporting both forward and backward SBS on chip.

    • Peng Lei
    • , Mingyu Xu
    •  & Xiaopeng Xie

  • Article
    | Open Access

    Sublattice symmetry has long been synonymous with chiral symmetry when it comes to topological classification. Here, the authors challenge this notion by systematically investigating sublattice symmetry and revealing its spatial nature with a precise description in terms of symmetry algebra and representation.

    • Rong Xiao
    •  & Y. X. Zhao

  • Article
    | Open Access

    Abbe’s diffraction limit has been a defining concept for microscopy. With finite photon, photon noise remains one essential factor yet to be considered in the theoretical resolution limit. Here, the authors introduced information-based resolution limit allowing for photon-considered resolution assessment of various microscopy and super-resolution modalities.

    • Yilun Li
    •  & Fang Huang

  • Article
    | Open Access

    Caustics, as a unique type of singularity in wave phenomena, occur in diverse physical systems. Here, the authors realize multi-dimensional customization of caustics with 3D-printed metasurfaces. This arbitrary caustic engineering is poised to bring new revolutions to many domains.

    • Xiaoyan Zhou
    • , Hongtao Wang
    •  & Cheng-Wei Qiu

  • Article
    | Open Access

    A promising strategy for scaling trapped-ion-based quantum technologies is to use fully integrated optical waveguides to deliver light to numerous ions at multiple sites. Here, the authors. optically address three ions using on-chip waveguides to deliver three distinct wavelengths per ion, and perform Rabi flopping on each ion simultaneously.

    • Joonhyuk Kwon
    • , William J. Setzer
    •  & Hayden J. McGuinness

  • Article
    | Open Access

    Room-temperature phosphorescence usually occurs immediately after the removal of excitation. Here the authors achieve combined instant and delayed phosphorescence through introduction of phosphines into carbazole emitters.

    • Guang Lu
    • , Jing Tan
    •  & Hui Xu

  • Article
    | Open Access

    Silicon-integrated graphene photodetectors exhibit promising bandwidths at telecom wavelengths, but their responsivity is usually limited. Here, the authors report the wafer-scale fabrication of waveguide-integrated detectors based on twisted bilayer graphene, showing responsivities up to 0.65 A/W and 3-dB bandwidths >65 GHz.

    • Qinci Wu
    • , Jun Qian
    •  & Hailin Peng

  • Article
    | Open Access

    Organic mechanoluminescent materials have potential in a range of applications, but it can be challenging to achieve long-lived emission. Here, the authors report isostructural doping as a strategy to achieve multicolour and high efficiency organic mechanoluminescence, applied in stress sensing.

    • Zongliang Xie
    • , Yufeng Xue
    •  & Bin Liu

  • Article
    | Open Access

    The authors present a scalable on-chip parallel intensity modulation and direct detection (IM-DD) data transmission system. This system offers an aggregate line rate of 1.68 Tbit/s over a 20-km-long SMF. For the chromatic dispersion compensation of 40-km-SMFs, the energy consumption is ~0.3 pJ/bit, much less than the commercial 400G-ZR coherent transceivers counterparts.

    • Yuanbin Liu
    • , Hongyi Zhang
    •  & Andrew W. Poon

  • Article
    | Open Access

    Photonic time crystal refers to a material whose dielectric properties oscillate in time. Here the authors theoretically show such behaviour in the excitonic insulator candidate Ta2NiSe5 under optical excitation and use it to explain the enhanced THz reflectivity recently observed in pump-probe experiments

    • Marios H. Michael
    • , Sheikh Rubaiat Ul Haque
    •  & Eugene Demler

  • Article
    | Open Access

    Conventional lighting requires an AC-DC converter for LEDs. Here, the authors report a tandem structure by connecting two QLEDs with opposite polarity in parallel, enabling AC driven operation. A household AC electricity plug-and-play QLEDs panel with tuneable colour and brightness is achieved.

    • Jiming Wang
    • , Cuixia Yuan
    •  & Shuming Chen

  • Article
    | Open Access

    All holographic displays and imaging techniques are fundamentally limited by the étendue supported by existing spatial light modulators. Here, the authors report on using artificial intelligence (AI) to learn an étendue expanding element that effectively increases étendue by two orders of magnitude.

    • Ethan Tseng
    • , Grace Kuo
    •  & Felix Heide

  • Article
    | Open Access

    Optical interference filters are multilayer structures for controlling the propagation of electromagnetic waves. Jin et al. have developed a method of via inkjet printing to fabricate optical interference filters with commercially relevant quality with remarkable A4 paper size (29.7 × 21.0 cm²) in ambient conditions.

    • Qihao Jin
    • , Qiaoshuang Zhang
    •  & Uli Lemmer

  • Article
    | Open Access

    An efficient way of realising a large number of telecom single-photon emitters for quantum communication is still missing. Here, the authors use a wide-field imaging technique for fast localization of single InAs/InP quantum dots, which are then integrated into circular Bragg grating cavities featuring high single-photon purity and indistinguishability.

    • Paweł Holewa
    • , Daniel A. Vajner
    •  & Elizaveta Semenova

  • Article
    | Open Access

    Bound states in continuum have attracted attention in various platforms, and recently condensation of bound states in continuum polariton modes was demonstrated at low temperatures. Here the authors report the observation of such a state in a periodic air-hole perovskite-based photonic crystal at room temperature.

    • Xianxin Wu
    • , Shuai Zhang
    •  & Xinfeng Liu

  • Article
    | Open Access

    Correlated insulator states of moire excitons in transition metal dichalcogenide heterostructures have attracted significant attention recently. Here the authors use time-resolved pump-probe spectroscopy to demonstrate the effects of non-equilibrium correlations of moire excitons in WSe2/WS2 heterobilayers.

    • Jinjae Kim
    • , Jiwon Park
    •  & Hyunyong Choi

  • Article
    | Open Access

    Optical recurrent neural networks present a unique challenge for photonic machine learning. Here, the authors experimentally show the first optoacoustic recurrent operator based on stimulated Brillouin scattering which may unlock a new class of optical neural networks with recurrent functionality.

    • Steven Becker
    • , Dirk Englund
    •  & Birgit Stiller

  • Article
    | Open Access

    The researchers fuse metamaterials and origami technical to achieve ultra-wideband and large-depth reflection modulation. Flexible electronics amplify its lightweight, transparency, and cost-effectiveness, making it ideal for satellite communications.

    • Zicheng Song
    • , Juan-Feng Zhu
    •  & Cheng-Wei Qiu

  • Article
    | Open Access

    The researchers showcase a photonic-electronic FMCW LiDAR source composed of a micro-electronic based high-voltage arbitrary waveform generator, a photonic circuit-based tunable Vernier laser with piezoelectric actuators, and an erbium-doped waveguide amplifier.

    • Anton Lukashchuk
    • , Halil Kerim Yildirim
    •  & Tobias J. Kippenberg

  • Article
    | Open Access

    The researchers showcase a flexible meta-sensor array based on classical Mie resonance, enabling precise detection of in-plane strain direction and magnitude using dynamically transmitted terahertz (THz) signals. The sensor array holds immense promise for the real-life applications as it possesses high sensor density and has a very large size up to (110 ×130 mm2).

    • Xueguang Lu
    • , Feilong Zhang
    •  & Qiang Cheng

  • Article
    | Open Access

    Here, the authors perform Faraday rotation spectroscopy around the excitonic transitions in hBN-encapsulated WSe2 and MoSe2 monolayers, and interlayer excitons in MoS2 bilayers. They measure a large Verdet constant - 1.9 × 107 deg T−¹cm−¹ for monolayers, and attribute it to the giant oscillator strength and high g-factor of the excitons.

    • Benjamin Carey
    • , Nils Kolja Wessling
    •  & Ashish Arora

  • Article
    | Open Access

    Here the authors induce asymmetric transmission in planar Fabry–Pérot microcavities by embedding organic thin films exhibiting apparent circular dichroism (ACD), an optical phenomenon based on 2D chirality.

    • Tzu-Ling Chen
    • , Andrew Salij
    •  & Randall H. Goldsmith

  • Article
    | Open Access

    Authors present a centimeter-scale miniaturized Raman spectrometer using cheap nonstabilized laser diodes, densely packed optics, and non-cooled small sensors while the performance is comparable with expensive bulky research-grade Raman systems.

    • Oleksii Ilchenko
    • , Yurii Pilhun
    •  & Anja Boisen

  • Article
    | Open Access

    Shi et al. report the synthesis of multicolour thermally activated delayed fluorescent carbon dots with 3D onion-like configuration to stabilise the triplet state and reduce the singlet-triplet energy gap. LEDs with EQE of 6.0–9.9% are achieved, a step further for efficient and stable displays.

    • Yuxin Shi
    • , Yang Zhang
    •  & Louzhen Fan

  • Article
    | Open Access

    It has been challenging to realize efficient and stable blue phosphorescent organic light-emitting diodes. Here, authors explore the effect of substitution position in platinum(II) dopants with suppressed metal-metal-to-ligand charge transfer features, resulting in prolonged lifetime in the devices.

    • Young Hun Jung
    • , Gyeong Seok Lee
    •  & Jang Hyuk Kwon

  • Article
    | Open Access

    Authors present an adaptive underwater optical communication (UWOC) technology based on multi-wavelength lasers and a full-color metasurface for converting visible-band Gaussian to circular autofocusing Airy beams. The potential of Airy beams to mitigate optical power degradation is demonstrated, enabling stable data rate transmission via 4 K video transmission for these systems.

    • Junhui Hu
    • , Zeyuan Guo
    •  & Chao Shen

  • Article
    | Open Access

    Band engineering in optics allows the design of unconventional forms of light with potential optoelectronic applications. Here, the authors realize slow-light intercavity polaritons in an array of coupled cavities, the photonic architecture enables the spatial segregation of photons and excitons

    • Yesenia A. García Jomaso
    • , Brenda Vargas
    •  & Giuseppe Pirruccio

  • Article
    | Open Access

    2D metallic single crystals are sought after for nanophotonic applications, but their synthesis remains challenging. Here, the authors report an atomic level precision etching method to fabricate large-area crystalline gold flakes with nanometre thickness, showing enhanced plasmonic and nonlinear optical properties.

    • Chenxinyu Pan
    • , Yuanbiao Tong
    •  & Pan Wang

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