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Showing 1–6 of 6 results
Advanced filters: Author: Tyler L. Cocker Clear advanced filters

  • The generation of light pulses with programmable waveforms opens up exciting new avenues for coherent control. Researchers in Japan have now introduced a way to tailor the polarization state of custom-shaped terahertz pulses at the push of a button.

    • Tyler L. Cocker
    • Rupert Huber
    News & Views
    Nature Photonics
    Volume: 7, P: 678-679

  • An ultrafast terahertz (THz) scanning tunnelling microscope (STM) with subpicosecond time resolution and nanometre spatial resolution has been developed. THz pulses are coupled to the metal tip of a commercial STM and THz-pulse-induced tunnelling is observed in the STM. The THz-STM can directly image ultrafast carrier capture by a single InAs nanodot.

    • Tyler L. Cocker
    • Vedran Jelic
    • Frank A. Hegmann
    Research
    Nature Photonics
    Volume: 7, P: 620-625

  • ‘The timing and ecological dynamics of extinction in the late Pleistocene are not well understood. Here, the authors use sediment ancient DNA from permafrost cores to reconstruct the paleoecology of the central Yukon, finding a substantial turnover in ecosystem composition between 13,500-10,000 years BP and persistence of some species past their supposed extinctions.’

    • Tyler J. Murchie
    • Alistair J. Monteath
    • Hendrik N. Poinar
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-18

  • Watching a single molecule move calls for measurements that combine ultrafast temporal resolution with atomic spatial resolution; this is now shown to be possible by combining scanning tunnelling microscopy with lightwave electronics, through a technique that involves removing a single electron from the highest occupied orbital of a single pentacene molecule in a time window shorter than an oscillation cycle of light.

    • Tyler L. Cocker
    • Dominik Peller
    • Rupert Huber
    Research
    Nature
    Volume: 539, P: 263-267