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Volume 17 Issue 9, September 2023

Efficient super-resolution imaging

The cover shows a wide-field, super-resolution image of a collection of cells captured by a new variant of optical fluctuation imaging that makes use of autocorrelation and two-step deconvolution. The high-throughput approach needs just 20 frames to bring a two-fold improvement in axial and lateral resolution. In ten minutes it can capture a 2 mm × 1.4 mm field-of-view image containing thousands of cells, with a resolution of 128 nm.

See Zhao et al.

Image: Weisong Zhao and Haoyu Li from Harbin Institute of Technology, and Liangyi Chen from Peking University. Cover Design: Bethany Vukomanovic


  • Activity in using photonics for subsea wireless communications and power generation is starting to make waves.



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  • Optics is now going beneath the waves to give remote-operated vehicles and divers fast optical wireless data links. Nature Photonics spoke with Boon Ooi from KAUST, a leading researcher into underwater photonics research.

    • Oliver Graydon


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News & Views

  • A transmission electron microscopy technique enables movies of optical near-fields to be recorded with a temporal resolution faster than the oscillation of optical electric fields.

    • Yuya Morimoto
    News & Views
  • Researchers have developed efficient electro-optic tools for manipulating the time and frequency of single photons by taking inspiration from Fresnel lenses.

    • John M. Donohue
    News & Views
  • The introduction of a two-step deconvolution workflow maximizes the detection of fluorescence in fluctuation-based super-resolution imaging, enabling a square millimetre field of view to be captured in as little as ten minutes.

    • David Baddeley
    News & Views
  • A diffractive axicon (a device that diffracts the input light pulse radially) enables complex correlations between the topological charges and the frequencies of ultrashort laser pulses, resulting in a variety of ultrashort coiled light structures.

    • Spencer W. Jolly
    News & Views
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Meeting Reports

  • The laser community returned to Prague to celebrate science and to be connected, in person, again, while high-power lasers were in the limelight.

    • Rachel Won
    Meeting Report
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  • The authors discuss the opportunities and challenges facing underwater photovoltaics.

    • Jason A. Röhr
    • B. Edward Sartor
    • André D. Taylor
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  • To bridge the ultrafast and slow classes of quantum-information-processing systems, a Fresnel time lens is developed by using a wideband electro-optic phase modulator combined with a dispersion element. The single-photon spectral bandwidth is compressed from picosecond to nanosecond timescales.

    • Filip Sośnicki
    • Michał Mikołajczyk
    • Michał Karpiński
  • By tuning the spatial width, the strength and the frequency of a pump beam in two-dimensional cylindrical microcavities supporting stable, robust photonic snake states, a set of broadband and perfectly synchronized two-dimensional frequency combs can be realized.

    • Salim B. Ivars
    • Yaroslav V. Kartashov
    • Carles Milián
  • Researchers design and demonstrate a scalable yet compact chip-based link architecture that may enable terabit-scale optical interconnects for hyperscale data centres.

    • Anthony Rizzo
    • Asher Novick
    • Keren Bergman
    Article Open Access
  • Photonic radar is exploited for non-contact vital sign detection with a demonstration on a cane toad with a view to application in humans. Optical signals generated from the system are also explored for LiDAR-based vital sign detection, which may yield improved accuracy and system robustness.

    • Ziqian Zhang
    • Yang Liu
    • Benjamin J. Eggleton
    Article Open Access
  • Tailoring the composition of organic cations enables manipulating the recombination rates of perovskites. Optimized solution-processed perovskite emitters fabricated on silicon exhibit up to 42.6-MHz modulation bandwidth and 50-Mbps data rate.

    • Aobo Ren
    • Hao Wang
    • Wei Zhang
  • The intrinsic random amplitude and phase modulation of 40 distinct lines of a microresonator frequency comb operated in the modulation instability regime are used to realize massively parallel random-modulation continuous-wave light detection and ranging, without requiring any electro-optical modulator or microwave synthesizer.

    • Anton Lukashchuk
    • Johann Riemensberger
    • Tobias J. Kippenberg
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Amendments & Corrections

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