Laser material processing articles within Nature Communications

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  • Article
    | Open Access

    Here the authors unveil an approach rooted in non-Hermitian physics to precisely control light amplification in an integrated photonic platform, paving the way for innovative on-chip functionalities, like coherent control of light amplification and routing.

    • Weijie Liu
    • , Quancheng Liu
    •  & Feng Chen

  • Article
    | Open Access

    Processing of conventional infrared-transparent materials limits their applicability. The authors demonstrate 3D printing of thiol-ene optical components with mid- and long-wave infrared transparency with applications such as reaction temperature monitoring.

    • Piaoran Ye
    • , Zhihan Hong
    •  & Rongguang Liang

  • Article
    | Open Access

    “Due to the inherent disorder and fluidity of water, machining of water through laser cutting is challenging. Here, authors report a strategy through laser cutting to realize the machining of nanoparticle encased water pancakes with the depth of water at sub-millimeter level.”

    • Jicheng Niu
    • , Wenjing Liu
    •  & Fei Li

  • Article
    | Open Access

    Silica glass is a high-performance material used in most branches of society from glassware and windows to optical lenses and fibers. Here, we develop a sintering-free method for 3D printing silica glass with sub-micrometer resolution and successfully demonstrate an optical microtoroid resonator.

    • Po-Han Huang
    • , Miku Laakso
    •  & Frank Niklaus

  • Article
    | Open Access

    Printed organic and inorganic electronics continue to be of large interest for several applications. Here, the authors propose laser printing as a facile process for fabricating printed electronics with minimum feature sizes below 1 µm and demonstrate functional diodes, memristors, and physically unclonable functions.

    • Liang Yang
    • , Hongrong Hu
    •  & Martin Wegener

  • Article
    | Open Access

    Structural colours are of broad interest in recent years, yet the conventional nanofabrication techniques fail to match the requirement for large-scale manufacturing. Here, the authors demonstrate the use of pulsed lasers to write structural colours with widegamut, high-resolution, high-speed while low-cost manufacturability, long-term stability, and viewing-angle independence.

    • Jiao Geng
    • , Liye Xu
    •  & Min Qiu

  • Article
    | Open Access

    The authors fabricate a 3D achromatic diffractive metalens on the end face of a single-mode fiber, useful for endoscopic applications. They demonstrate achromatic and polarization insensitive focusing across the entire near-infrared telecommunication wavelength band ranging from 1.25 to 1.65 µm.

    • Haoran Ren
    • , Jaehyuck Jang
    •  & Stefan A. Maier

  • Article
    | Open Access

    Stereolithography has progressed over the years but resolution and feature size is still limited by the properties of materials and resins. Here, the authors demonstrate femtosecond laser direct writing of a hydrogen silsesquioxane photoresist using a 780 nm femtosecond laser demonstrating feature sizes of 26 nm.

    • Feng Jin
    • , Jie Liu
    •  & Xuan-Ming Duan

  • Article
    | Open Access

    The ability to alter surface chemistry on a variety of materials makes polydopamine (PDA) and excellent surface coating material, but weak wear resistance and high surface roughness limits its application. Here, the authors demonstrate a laser annealing process to improve the mechanical properties of PDA coatings.

    • Kyueui Lee
    • , Minok Park
    •  & Phillip B. Messersmith

  • Article
    | Open Access

    Defects in liquid crystals (LCs) find application in self-assembly of nanomaterials, optical-vortex generation and in tunable plasmonic metamaterials but methods for flexible and tailored fabrication of defects are scarce. Here, the authors demonstrate fabrication and stabilisation of electrically-tunable defects in an LC device using two-photon polymerisation, revealing interesting electro-optic behaviour.

    • John J. Sandford O’Neill
    • , Patrick S. Salter
    •  & Stephen M. Morris

  • Article
    | Open Access

    Tomographic additive manufacturing produces complex parts with a wide range of printable materials but remains limited in terms of resolution. Here, the authors tune the étendue of the light source and accurately control the photopolymerization kinetics using an integrated feedback system, leading to the fabrication of high resolution features.

    • Damien Loterie
    • , Paul Delrot
    •  & Christophe Moser

  • Article
    | Open Access

    Ultrafast laser processing is a versatile three-dimensional photonic structuring method but it has been limited to wide band gap materials like glasses. Here, Chanal et al. demonstrate direct refractive-index modification in the bulk of silicon by extreme localization of the energy deposition.

    • Margaux Chanal
    • , Vladimir Yu. Fedorov
    •  & David Grojo

  • Article |

    Replica symmetry breaking, in which identical systems subject to identical conditions evolve to different end states, has been predicted to occur in many contexts but has yet to be observed experimentally. Ghofraniha et al.report evidence for its occurrence in the pulse-to-pulse variations of a random laser.

    • N. Ghofraniha
    • , I. Viola
    •  & C. Conti

  • Article
    | Open Access

    Next generation high power lasers will produce fields so intense they can only be controlled with components made of plasmas. Vincenti et al.explore the properties of one such component—the relativistic plasma mirror—and construct an analytical framework to improve their use in focusing intense laser fields.

    • H. Vincenti
    • , S. Monchocé
    •  & F. Quéré

  • Article
    | Open Access

    Various methods have been investigated to locally control atmospheric precipitation. In this study, field experiments show that laser-induced condensation is initiated when the relative humidity exceeds 70%, and that this effect is largely a result of photochemical HNO3formation.

    • S. Henin
    • , Y. Petit
    •  & J.-P. Wolf

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