Optoelectronic devices and components articles within Nature Communications

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  • Article
    | Open Access

    Spatial light modulators (SLM) provide tailored light fields for many applications. Here, the authors present an SLM device based on an organic electro-optic material that manipulates the properties of individual pixels by electronic signals at speeds up to 50 MHz.

    • Ileana-Cristina Benea-Chelmus
    • , Maryna L. Meretska
    •  & Federico Capasso

  • Article
    | Open Access

    Nonreciprocal devices are crucial in scientific research and practical applications at all frequencies. Here the authors demonstrate an integrated terahertz optical isolator based on the magneto-optical effect in a nonreciprocal resonator.

    • Shixing Yuan
    • , Liao Chen
    •  & Xinliang Zhang

  • Article
    | Open Access

    Conventional DC-DC converters rely on switching operations and energy storing components which face both noise and scaling difficulties. Here, the authors present an alternative design for a DC-to-DC converter based on closely coupled LEDs and photovoltaic cells, which exhibits high efficiency, low noise, and miniaturizability.

    • Bo Zhao
    • , Sid Assawaworrarit
    •  & Shanhui Fan

  • Article
    | Open Access

    Coherent conversion between optical and microwave photonics is needed for future quantum applications. Here, the authors combine thin-film lithium niobate and superconductor platforms as a hybrid electro-optic system to achieve high-efficiency frequency conversion between microwave and optical modes.

    • Yuntao Xu
    • , Ayed Al Sayem
    •  & Hong X. Tang

  • Article
    | Open Access

    Photomutiplication-type organic photodetectors (PM-OPDs) are attractive for various next-generation technologies due to their lower cost, higher sensitivity and technological utility. Here, the authors report vacuum-processed narrowband PM-OPDs with enhanced sub-bandgap external quantum efficiency.

    • Jonas Kublitski
    • , Axel Fischer
    •  & Karl Leo

  • Article
    | Open Access

    The authors present on-chip and electromechanically reconfigurable nanokirigami with optical functionalities. 3D deformations are achieved via attractive electrostatic forces between a gold nanostructure layer and silicon substrate, resulting in optical reconfigurations with high modulation contrast and small unit size.

    • Shanshan Chen
    • , Zhiguang Liu
    •  & Jiafang Li

  • Article
    | Open Access

    The fast carrier dynamics and ultra-broadband optical properties of graphene make it suitable for optical communications. Here, the authors demonstrate a photo-thermo-electric graphene photodetector integrated on a Si waveguide featuring 105 Gbit s−1 non-return to zero and 120 Gbit s−1 4-level pulse amplitude modulation direct detection.

    • S. Marconi
    • , M. A. Giambra
    •  & M. Romagnoli

  • Article
    | Open Access

    Self-injection locking of the pump laser for a soliton microcomb has significantly relaxed the requirements for laser drives. Here the authors study self-injection locking in experiment and theory and reveal that the soliton formation is feasible with detunings unreachable according to previous theories.

    • Andrey S. Voloshin
    • , Nikita M. Kondratiev
    •  & Igor A. Bilenko

  • Article
    | Open Access

    Xie et al. report a transparent near-infrared light-emitting diode based on semiconducting lead halide perovskite. This technology could enable security and sensing features on space constrained smart-watches, phones, gaming consoles and augmented or virtual reality headsets.

    • Chenchao Xie
    • , Xiaofei Zhao
    •  & Zhi-Kuang Tan

  • Article
    | Open Access

    Information and communication datacentres require a large amount of energy for their cooling systems, which could be decreased by working at higher temperatures. Here, the authors introduce a silicon-polymer hybrid modulator that maintains high data rates for long periods at high temperatures that could be used under such conditions, to reduce energy consumption.

    • Guo-Wei Lu
    • , Jianxun Hong
    •  & Shiyoshi Yokoyama

  • Article
    | Open Access

    Lithium niobate (LN) devices are promising for future photonic integrated circuits. Here, the authors demonstrate an electro-optic LN modulator with a very small modal volume based on photonic crystal resonator architecture.

    • Mingxiao Li
    • , Jingwei Ling
    •  & Qiang Lin

  • Article
    | Open Access

    Structured light is a valuable addition to many optical applications. Here, the authors introduce a method for producing tailorable structured light beams at the output of a multicore fiber amplifier by controlling the input to each fiber core.

    • Di Lin
    • , Joel Carpenter
    •  & David J. Richardson

  • Article
    | Open Access

    Pixel size in imaging and displays is limited by fundamental constraints that compromise performance at wavelength scales. Here the authors present subwavelength color pixel sensors based on anti-Hermitian metasurfaces relying on structural color for increased performance.

    • Joseph S. T. Smalley
    • , Xuexin Ren
    •  & Xiang Zhang

  • Article
    | Open Access

    Most conventional PT-symmetric systems contain two physically separated modes. Here the authors proposed a PT-symmetric microwave optoelectronic oscillator, where the gain and loss modes are confined in a single spatial resonator, resulting in an increased structural simplicity, and long-term stability.

    • Jiejun Zhang
    • , Lingzhi Li
    •  & Jianping Yao

  • Article
    | Open Access

    Integrated photonics allows integration of complex optical circuits on a single chip. Here, the authors propose a wavelength division multiplexing based electronic-photonic arithmetic logic unit for computing at high speeds and with improved power consumption to help with the physical limits of Moore’s law.

    • Zhoufeng Ying
    • , Chenghao Feng
    •  & Ray T. Chen

  • Article
    | Open Access

    The compound eyes of arthropods provide a visual advantage by seeing a wide range of angles all at once, but cameras that mimic them are usually curved and bulky. Here, the authors develop a flat, plasmonic image sensor array that enables high-quality wide-angle vision without lenses or curvature.

    • Leonard C. Kogos
    • , Yunzhe Li
    •  & Roberto Paiella

  • Article
    | Open Access

    Lithium niobate is essential for electro-optic modulation, however, combining it with the attractive features of plasmonics is largely unexplored. Here, the authors demonstrate ultra-compact electrooptic switching with low voltage-length product, fast nonlinear response and low capacitance.

    • Martin Thomaschewski
    • , Vladimir A. Zenin
    •  & Sergey I. Bozhevolnyi

  • Article
    | Open Access

    Nanoantennas have been developed to direct light, but most still rely on laboratory scale light sources. Here, the authors demonstrate electrically-driven directional emission in the optical frequency range using a nanogap in conjunction with a Yagi-Uda antenna nanostructure.

    • René Kullock
    • , Maximilian Ochs
    •  & Bert Hecht

  • Article
    | Open Access

    For augmented reality technologies it is beneficial to create devices on transparent substrates that are imperceptible to the human eye. Here, the authors harness resonances from radiative coupling between arrayed silicon nanowire photodetectors to remove reflections while affording spectro-polarimetric detection.

    • Qitong Li
    • , Jorik van de Groep
    •  & Mark L. Brongersma

  • Article
    | Open Access

    Designing high performance THz pixelless imaging devices is nowadays challenging due to the inability to obtain normal incidence excitation using a grating coupler. Here, the authors report a broadband GaAs HIWIP-LED THz-NIR up-conversion imaging device avoiding the use of any grating coupler.

    • Peng Bai
    • , Yueheng Zhang
    •  & Wenzhong Shen

  • Article
    | Open Access

    Germanium (based) lasers are a promising route towards a fully CMOS-compatible light source, key to the further development of silicon photonics. Here, the authors realize lasing from strained germanium microbridges up to 100 K, finding a quantum efficiency close to 100%.

    • F. T. Armand Pilon
    • , A. Lyasota
    •  & H. Sigg

  • Article
    | Open Access

    Temporal cloaks, which hide a temporal event within a signal, have been previously limited to very short and periodic event cloaking. Here the authors report a temporal cloak with a programmable-length cloaking window using a silicon microring and optical frequency comb.

    • Feng Zhou
    • , Siqi Yan
    •  & Xinliang Zhang

  • Article
    | Open Access

    Creating realistic 3D displays that are comfortable to use is both a complicated and important problem. Here the authors present a tomographic near-eye display that uses high-speed synchronization of a lens focus and backlight to produce realistic depth cues for effective and comfortable 3D viewing.

    • Seungjae Lee
    • , Youngjin Jo
    •  & Byoungho Lee

  • Article
    | Open Access

    Increasing bandwidth demands in optical communications requires components to be compact with energy-efficient operation. Here, the authors demonstrate plasmonic IQ modulators on a silicon photonics platform with phase shifters, operating with sub-1V electronics at 100 GBaud and low electrical energy consumption.

    • Wolfgang Heni
    • , Yuriy Fedoryshyn
    •  & Juerg Leuthold

  • Article
    | Open Access

    Electrical and optical properties of light emitting devices driven by quantum tunneling are closely intertwined. Parzefall et al. show that these properties can be individually controlled by cointegrating van der Waals heterostructures with optical antennas.

    • Markus Parzefall
    • , Áron Szabó
    •  & Lukas Novotny

  • Article
    | Open Access

    Although there are many reports on the development of devices for terahertz signal processing, the possibility of electrical control of the functionality remains elusive. Here, the authors use electrically actuated liquid metal components incorporated into terahertz waveguides for controlling power flow and for frequency filtering.

    • Kimberly S. Reichel
    • , Nicolas Lozada-Smith
    •  & Daniel M. Mittleman

  • Article
    | Open Access

    The utility of nanowires for all-optical operation has been limited by a lack of coupling scheme with band selectivity. Here, the authors introduce a nanowire geometric superlattice that allows controlled, narrow-band guiding in silicon nanowires through direct coupling of a Mie resonance with a bound guided state.

    • Seokhyoung Kim
    • , Kyoung-Ho Kim
    •  & James F. Cahoon

  • Article
    | Open Access

    Orbital-angular-momentum (OAM) beams have great potential for multiplexing signals in optical communication, but creating a compact source is challenging. The authors integrate a chip-scale optical vortex emitter and DFB laser into a single monolithic device for direct electrically pumped production of OAM beams.

    • Juan Zhang
    • , Changzheng Sun
    •  & Siyuan Yu

  • Article
    | Open Access

    For future ultrafast opto-electronic circuits, optical signals must be interfaced with coherent electronic signals. The authors develop asymmetric plasmonic nanojunctions that convert fs light pulses to THz electronic transients that can propagate on-chip for up to a mm, enabling such an interface.

    • Christoph Karnetzky
    • , Philipp Zimmermann
    •  & Alexander Holleitner

  • Article
    | Open Access

    To circumvent the limitations of electronic computers, moving to hybrid optical-electronic or all-optical devices may be useful. Here, Babaeian et al. present an all-optical implementation of the probabilistic graphical model using nonlinear optics in thin films to implement mathematical functions.

    • Masoud Babaeian
    • , Pierre-A. Blanche
    •  & N. Peyghambarian

  • Article
    | Open Access

    Integrating optical and electrical components for communication systems is challenging due to the differences of scale. The authors have developed an on-chip light-to-electrical wireless link between a nanoantenna and an optical rectifier, envisioned as a solution for future integrated wireless interconnects.

    • Arindam Dasgupta
    • , Marie-Maxime Mennemanteuil
    •  & Alexandre Bouhelier

  • Article
    | Open Access

    Indirect excitons, composed of a spatially separated electron and hole, could find applications in excitonic devices for signal processing and communication, however they are normally detected at low temperatures. Here, the authors observe room-temperature indirect excitons in van der Waals transition metal dichalcogenide heterostructures.

    • E. V. Calman
    • , M. M. Fogler
    •  & A. K. Geim

  • Article
    | Open Access

    In optoelectronic oscillators used to produce chirps for radar or communications, low phase noise usually comes at a cost of slow tuning due to mode-building time. The authors use Fourier-domain mode locking to break this limitation and enable fast-tunable chirp production for microwave photonics.

    • Tengfei Hao
    • , Qizhuang Cen
    •  & Ming Li

  • Article
    | Open Access

    Bragg gratings are versatile elements used to perform spectral filtering in optical circuits. Here, the authors develop a scalable, reconfigurable grating device which can be electrically tuned to actively change its behaviour and control of optical pathways, for use in photonic signal processing.

    • Weifeng Zhang
    •  & Jianping Yao

  • Article
    | Open Access

    Atomically thin monolayers with high photoluminescence quantum yield are promising for optoelectronic and lighting applications. Here, the authors fabricate a transient-mode electroluminescent device to bypass the requirement of ohmic contacts for electrons and holes, and observe millimetre-scale light emission from a transparent 2D display.

    • Der-Hsien Lien
    • , Matin Amani
    •  & Ali Javey

  • Article
    | Open Access

    Quantum light sources operating at telecom wavelength are a long-sought goal for quantum technologies. Here, the authors show electrically injected emission of single photons and entangled photon pairs from indium phosphide based quantum dots, operating up to a temperature of 93 K.

    • T. Müller
    • , J. Skiba-Szymanska
    •  & A. J. Shields

  • Article
    | Open Access

    Hemispherical format has been adopted in camera systems to better mimic human eyes, yet the current designs rely on complicated fabrications. Here, Zhang et al. show an origami-inspired approach that enables planar silicon-based photodetector arrays to reshape into concave or convex geometries.

    • Kan Zhang
    • , Yei Hwan Jung
    •  & Zhenqiang Ma

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