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Showing 1–7 of 7 results
Advanced filters: Author: Ian Coddington Clear advanced filters

  • Using two-way exchange between coherent frequency combs, each phase-locked to the local optical oscillator, optical time–frequency transfer is demonstrated in free space across a 2-km-long link, with a timing deviation of 1 fs, a residual instability below 10−18 at 1,000 s and systematic offsets below 4 × 10−19.

    • Fabrizio R. Giorgetta
    • William C. Swann
    • Nathan R. Newbury
    Research
    Nature Photonics
    Volume: 7, P: 434-438

  • By incorporating time-programmable frequency combs, free-form dual-comb spectroscopy enables compressive sensing at factors of up to 155, with a corresponding reduction in acquisition time without sacrificing spectral resolution.

    • Fabrizio R. Giorgetta
    • Simon Potvin
    • Esther Baumann
    Research
    Nature Photonics
    Volume: 18, P: 1312-1319

  • Spectrally resolved photoacoustic images often require the acquisition of data for each wavelength separately. Here, the authors use dual frequency-comb spectroscopy for photoacoustic measurements, enabling spectrally resolved measurements without the need to scan the illumination wavelength.

    • Jacob T. Friedlein
    • Esther Baumann
    • Kevin C. Cossel
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-10

  • By employing difference-frequency generation, a mid-infrared dual-comb spectrometer covering the 2.6 to 5.2 µm range is demonstrated with comb-tooth resolution, sub-MHz frequency precision and accuracy, and a spectral signal-to-noise ratio as high as 6,500.

    • Gabriel Ycas
    • Fabrizio R. Giorgetta
    • Nathan R. Newbury
    Research
    Nature Photonics
    Volume: 12, P: 202-208

  • Using two coherent broadband fibre-laser frequency comb sources, a coherent laser ranging system for absolute distance measurements is demonstrated. Its combination of precision, speed and long range may prove particularly useful for space-based sciences.

    • I. Coddington
    • W. C. Swann
    • N. R. Newbury
    Research
    Nature Photonics
    Volume: 3, P: 351-356