Silicon photonics articles within Nature Communications

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  • Article
    | Open Access

    Lead toxification in society is a public health crisis. The exposure to lead poisoning gives rise to a multitude of health issues. In this work, a chip-scale photonic platform that enables the highly quantitative detection of lead is demonstrated.

    • Luigi Ranno
    • , Yong Zen Tan
    •  & Jia Xu Brian Sia

  • 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

    Here the authors develop a coupled ring resonators platform for realizing topological states of matter with hyperbolic dispersion thus offering an approach to boost the efficiency of topological photonic devices.

    • Lei Huang
    • , Lu He
    •  & Xiangdong Zhang

  • Article
    | Open Access

    An efficient and physically accurate platform is required to rapidly design high-performance integrated photonic devices. Here, the authors present a scalable framework for creating on-chip optical systems with complex and arbitrary functionality.

    • Ali Najjar Amiri
    • , Aycan Deniz Vit
    •  & Emir Salih Magden

  • Article
    | Open Access

    The authors showcase a five-channel silicon microring modulator array with a total data rate in the terabit range. Each microring is equipped with two separate Z-shape junctions to overcome the bandwidth and modulation efficiency trade-off, providing a pathway for future 200 Gb/s/lane silicon optical interconnects.

    • Yuan Yuan
    • , Yiwei Peng
    •  & Raymond G. Beausoleil

  • Article
    | Open Access

    Silicon microring resonator plays crucial role in optical computing owing to the compact footprint and energy-efficiency, yet existing modulators require >2 V to drive it. Here, the authors present a solution to this by using metal-oxide-semiconductor capacitor microring that brings down the driving voltage to 0.8 V.

    • Wei-Che Hsu
    • , Nabila Nujhat
    •  & Alan X. Wang

  • Perspective
    | Open Access

    In order to complete the transition to the era of large-scale integration, silicon photonics will have to overcome several challenges. Here, the authors outline what these challenges are and what it will take to tackle them.

    • Sudip Shekhar
    • , Wim Bogaerts
    •  & Bhavin J. Shastri

  • Article
    | Open Access

    The authors demonstrate real-time blind photonic interference cancellation using FPGA-photonic coordinated processing with zero calibration micro-ring resonator control and sub-second cancellation weight identification.

    • Joshua C. Lederman
    • , Weipeng Zhang
    •  & Paul R. Prucnal

  • Article
    | Open Access

    MEMS-based photonic integrated circuits (PICs) are often limited in speed by mechanical resonances. Here the authors report a programmable architecture for PICs which uses mechanical eigenmodes for synchronized, resonantly enhanced optical modulation.

    • Mark Dong
    • , Julia M. Boyle
    •  & Dirk Englund

  • Article
    | Open Access

    Designing an efficient activation function for optical neural networks remains a challenge. Here, the authors demonstrate a modulator-detector-in-one graphene/silicon heterojunction ring resonators enabling on-chip reconfigurable activation function devices with phase activation capability for optical neural networks.

    • Chuyu Zhong
    • , Kun Liao
    •  & Hongtao Lin

  • Article
    | Open Access

    The Authors present an exciting dielectric waveguide mechanism that can confine light in regions of varying sizes, unlike conventional designs. The platform offers a unique blend of properties by leveraging radiation modes while minimizing optical losses. This work holds promise for serving as the next generation of fundamental building blocks for integrated photonics applications.

    • Janderson R. Rodrigues
    • , Utsav D. Dave
    •  & Michal Lipson

  • Article
    | Open Access

    Here, the authors report the realization of a sub-THz wireless data link based on a graphene-integrated optoelectronic mixer with a >96 GHz bandwidth, −44 dB upconversion efficiency and <0.1 mm2 footprint, providing an alternative approach for the realization of millimeter-wave transmitters.

    • Alberto Montanaro
    • , Giulia Piccinini
    •  & Marco Romagnoli

  • Article
    | Open Access

    Recent years have seen a growing need for miniaturized spectroscopic tools. Here, authors present a novel integrated spectrometer with programmable photonic circuits, achieving record-high resolution and bandwidth via only a few filtering components.

    • Chunhui Yao
    • , Kangning Xu
    •  & Richard Penty

  • Article
    | Open Access

    Phase change materials (PCMs) are promising for low-power programmable photonic circuits. Here, authors show electrically controlled wide-bandgap PCM antimony sulfide achieving low loss, high cyclability and up to 32 levels, and post-fabrication trimming is also demonstrated.

    • Rui Chen
    • , Zhuoran Fang
    •  & Arka Majumdar

  • Article
    | Open Access

    Realising integrated photonic circuits containing isolated telecommunications-wavelength artificial atom single photon emitters is an outstanding challenge in quantum technologies. Here, the authors demonstrate how to embed optically tunable G-centers in silicon-on-insulator integrated circuits.

    • Mihika Prabhu
    • , Carlos Errando-Herranz
    •  & Dirk Englund

  • Article
    | Open Access

    Optical neural networks face remarkable challenges in high-level integration and on-chip operation. In this work the authors enable optical convolution utilizing time-wavelength plane stretching approach on a microcomb-driven chip-based photonic processing unit.

    • Bowen Bai
    • , Qipeng Yang
    •  & Xingjun Wang

  • Article
    | Open Access

    Fabrication errors limit the scaling of programmable photonic circuits. Here the authors show how a broad class of circuits can be made asymptotically fault-tolerant, where the effect of errors remains controlled regardless of the circuit’s size.

    • Ryan Hamerly
    • , Saumil Bandyopadhyay
    •  & Dirk Englund

  • Article
    | Open Access

    Efficient and broadband visible-light photodetectors will bring great advantages in applications such as biosensing and quantum information. Here the authors develop a photodetector with high quantum efficiency across broad wavelength range suitable for monolithic integration in photonics circuits.

    • Yiding Lin
    • , Zheng Yong
    •  & Joyce K. S. Poon

  • Article
    | Open Access

    Here the authors provide the experimental observation of a topological rainbow in a silicon-based nanophotonic chip. The system is robust against disorders allows to separate and trap topological photonic states of different wavelength into different positions.

    • Cuicui Lu
    • , Yi-Zhi Sun
    •  & C. T. Chan

  • Article
    | Open Access

    Metasystem architectures are attractive alternatives to waveguide-based integrated photonic processors due to the subwavelength structures. Here, the authors report a 1D passive silicon photonic metasystem with near 90% spatial pattern classification accuracy at telecommunication wavelength.

    • Zi Wang
    • , Lorry Chang
    •  & Tingyi Gu

  • Article
    | Open Access

    Chiral mode converters are found in a wide range of practical applications in optics, but the previous proposals suffer from low efficiency and large device size. Here the authors propose a highly efficient and compact chiral mode converter based on encircling exceptional points along Hamiltonian parameter space boundary, relaxing the adiabaticity constraints.

    • Xiaoqian Shu
    • , Aodong Li
    •  & Lin Chen

  • Article
    | Open Access

    ’Here the authors provide the demonstration of platicon comb generation in an integrated photonic chip using laser self-injection locking, They take advantage of platicons generation in normal GVD resonators, which significantly relaxes the material and geometry design restrictions

    • Grigory Lihachev
    • , Wenle Weng
    •  & Tobias J. Kippenberg

  • Article
    | Open Access

    To realize on-chip optical communication schemes based on silicon, the integration of waveguides onto III-V devices must be achieved. Here, the authors report waveguide-coupled III-V heterostructure photodiodes monolithically integrated on silicon waveguides via aligned nanowire.

    • Pengyan Wen
    • , Preksha Tiwari
    •  & Kirsten E. Moselund

  • Article
    | Open Access

    Achieving high output power and low noise integrated lasers is a major challenge. Here the authors experimentally demonstrate integrated lasers from a Si/SiN heterogeneous platform that shows Hertz-level linewidth, paving the way toward fully integrating low-noise silicon nitride photonics in volume using real devices for lasing.

    • Chao Xiang
    • , Joel Guo
    •  & John E. Bowers

  • 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

    Reconfigurable wavelength-selective devices are essential components of flexible optical networks. Here the authors show a silicon-photonic add-drop multiplexer meeting the strict requirements of telecom systems in terms of broadband operation range, hitless tunability and polarization transparency.

    • Francesco Morichetti
    • , Maziyar Milanizadeh
    •  & Andrea Melloni

  • Article
    | Open Access

    Compact spectrometers that are simple and scalable in design can enable many applications. Here the authors demonstrate a silicon photonics based single-shot spectrometer that uses a group of waveguide frequency filters to construct the spectrum.

    • Ang Li
    •  & Yeshaiahu Fainman

  • Article
    | Open Access

    For widespread technological application of nonlinear photonic integrated circuits, ultralow optical losses and high fabrication throughput are required. Here, the authors present a CMOS fabrication technique that realizes integrate photonic microresonators on waver-level with mean quality factors exceeding 30 million and 1 dB/m optical losses.

    • Junqiu Liu
    • , Guanhao Huang
    •  & Tobias J. Kippenberg

  • Article
    | Open Access

    Most demonstrations of optical neural networks for computing have been so far limited to real-valued frameworks. Here, the authors implement complex-valued operations in an optical neural chip that integrates input preparation, weight multiplication and output generation within a single device.

    • H. Zhang
    • , M. Gu
    •  & A. Q. Liu

  • Article
    | Open Access

    Fano resonances occur in many platforms that have auto-ionizing states. Here the authors show that auto-ionizing states are not required for multi-photon Fano resonance in a Si:P system with significant screening by using a pump-probe method.

    • K. L. Litvinenko
    • , Nguyen H. Le
    •  & B. N. Murdin

  • 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

    Resonant structures are a promising method to enhance the nonlinear response of Si, however they are typically larger than 10 μm. Here, the authors present Si nano-resonators that amplify photothermal nonlinearity, resulting in reversible and repeatable modulation.

    • Yi-Shiou Duh
    • , Yusuke Nagasaki
    •  & Shi-Wei Chu

  • 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

    Most efficient terahertz detection schemes rely on complex free space optics and require high-power lasers. Here, the authors report an integrated plasmonic terahertz detector on a silicon photonics platform, with 2.5 THz bandwidth and a 65 dB dynamical range operating at an optical power of only 63 nW.

    • Yannick Salamin
    • , Ileana-Cristina Benea-Chelmus
    •  & Juerg Leuthold

  • Article
    | Open Access

    Integration of photonic circuits with single photon emitters provides a promising route towards scalable quantum photonic chips. Here, the authors integrate a WSe2 monolayer onto a SiN chip and demonstrate the coupling of single photon emitters in WSe2 with the guided mode of a SiN waveguide.

    • Frédéric Peyskens
    • , Chitraleema Chakraborty
    •  & Dirk Englund

  • Article
    | Open Access

    The authors implement surface acoustic waves on the silicon photonics platform by exciting a metallic grating with modulated pump light to enable microwave-photonic devices without the need for piezo-electric actuation, complex suspensions or hybrid materials.

    • Dvir Munk
    • , Moshe Katzman
    •  & Avi Zadok

  • Article
    | Open Access

    On-chip mode-division multiplexing has many challenges including crosstalk, losses, and footprint.  Here the authors use a nanohole metastructure to create multiplexed bends and crossings for photonic data communications circuit routing with high density that combats these challenges.

    • Yingjie Liu
    • , Ke Xu
    •  & Qinghai Song

  • 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

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