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  • Wavelength-scale, low-threshold, vortex and anti-vortex nanolasers with topological charges in an optical cavity that is formed by a topological disclination are demonstrated, paving a way towards the development of ultra-small light sources with quantized vector vortex states attractive for optical communication systems.

    • Min-Soo Hwang
    • Ha-Reem Kim
    • Hong-Gyu Park
    ArticleOpen Access
  • This Review covers a comparison between various label-free biomedical imaging techniques, their advantages over label-based methods and relevant applications.

    • Natan T. Shaked
    • Stephen A. Boppart
    • Jürgen Popp
    Review Article
  • Photonic processors are promising candidates for solving tough mathematical problems. Nature Photonics asked Yoshihisa Yamamoto, director of the Physics and Informatics Laboratories at NTT Research in USA, about the progress that is being made in realizing coherent Ising machines (CIMs).

    • Noriaki Horiuchi
  • Researchers propose a laser pulse compression method for exawatt to zettawatt lasers based on spatially varying dispersion of an inhomogeneous plasma. This may enable, for example, pulse compression of a laser pulse from 2.35 ps to 10.3 fs. The approach is robust at high intensities.

    • Min Sup Hur
    • Bernhard Ersfeld
    • Hyyong Suk
    ArticleOpen Access
  • Vladimir Zakharov was a man of a strong passion and grand intellect, who was equally and deservedly proud of both his scientific achievements and his poetry.

    • G. E. Falkovich
    • E. A. Kuznetsov
    • S. K. Turitsyn
  • We posit that inconsistent interpretations of experimental data have led to inaccurate claims on metalens focusing efficiencies. By performing a meta-analysis, we show that extraordinary claims of high focusing efficiency at high numerical apertures are, unfortunately, not yet backed by rigorous simulation or experimental results.

    • Rajesh Menon
    • Berardi Sensale-Rodriguez
  • A scheme for fast, comprehensive characterization of high-dimensional quantum states could aid quantum applications in imaging and information processing.

    • Gregory Kanter
    • Prem Kumar
    News & Views
  • Allen Weeks, Director General of the Extreme Light Infrastructure European Research Infrastructure Consortium, talks to Nature Photonics about the founding and future of the high-power-laser facilities, and stimulating a resurgence of physics in new EU member countries.

    • David Pile
  • Combining photoacoustic excitation with optomechanics enables the mechanical modes associated with entire microorganisms to be detected, demonstrating that mechanical spectroscopy allows us to identify microorganisms and characterize their life stages.

    • Eduardo Gil-Santos
    News & Views
  • New conductive and perovskite inks enable hand-drawing of optoelectronic devices with a ballpoint pen on a variety of daily substrates, including paper, textiles and other irregular surfaces.

    • Faheem Ershad
    • Wenjing Song
    • Cunjiang Yu
    News & Views
  • Photonics enables the design of ultrafast, energy-efficient computing approaches for artificial intelligence, and key to the scalability of such approaches is photonics integration.

    • Rachel Won
    Meeting Report