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Showing 1–15 of 15 results
Advanced filters: Author: Mario Paniccia Clear advanced filters

  • Integrated optical frequency combs are powerful tools for optical spectroscopy. Here, authors demonstrate low-power, detectable-rate soliton microcombs from telecom to visible bands, including wavelength-multiplexed operation, using ultra-low-loss silicon nitride waveguides.

    • Peng Liu
    • Qing-Xin Ji
    • Kerry J. Vahala
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-6

  • Using two-point optical frequency division based on a frequency-agile single-mode dispersive wave, a microwave signal source with record-low phase noise using a microcomb is demonstrated, offering over tenfold lower phase noise than state-of-the-art approaches.

    • Qing-Xin Ji
    • Wei Zhang
    • Kerry Vahala
    ResearchOpen Access
    Nature Photonics
    Volume: 19, P: 624-629

  • As data rates continue to spiral upwards, electrical interconnects based on copper traces and wires are struggling to keep up and optical solutions are looking increasingly attractive.

    • Andrew Alduino
    • Mario Paniccia
    Comments & Opinion
    Nature Photonics
    Volume: 1, P: 153-155

  • A monolithically grown Ge/Si avalanche photodetectors (APD) with a gain–bandwidth product of 340 GHz, the highest value for any APDs operating at 1,300 nm, and a sensitivity equivalent to commercially available III-V compound APDs is reported. The excellent performance paves the way to achieving low-cost, CMOS-based, Ge/Si APDs operating at data rates of 40 Gb s−1 or higher, where the performance of III-V APDs is severely limited.

    • Yimin Kang
    • Han-Din Liu
    • Joe C. Campbell
    Research
    Nature Photonics
    Volume: 3, P: 59-63

  • Achieving high output power and low noise integrated lasers is a major challenge. Here the authors experimentally demonstrate integrated lasers from a Si/SiN heterogeneous platform that shows Hertz-level linewidth, paving the way toward fully integrating low-noise silicon nitride photonics in volume using real devices for lasing.

    • Chao Xiang
    • Joel Guo
    • John E. Bowers
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-8

  • Bright solitons are produced through the interaction of pulse pairs generated via a continuous-wave fibre laser, which pumps two coupled microresonators featuring normal dispersion. Multicolour pulse pairs over multiple rings can also be generated, of great promise for applications such as all-optical soliton buffers and memories, study of quantum combs and topological photonics.

    • Zhiquan Yuan
    • Maodong Gao
    • Kerry Vahala
    ResearchOpen Access
    Nature Photonics
    Volume: 17, P: 977-983

  • Using CMOS-ready ultra-high-Q microresonators, a highly coherent electrically pumped integrated laser with frequency noise of 0.2 Hz2 Hz−1, corresponding to a short-term linewidth of 1.2 Hz, is demonstrated. The device configuration is also found to relieve the dispersion requirements for microcomb generation that have limited certain nonlinear platforms.

    • Warren Jin
    • Qi-Fan Yang
    • John E. Bowers
    Research
    Nature Photonics
    Volume: 15, P: 346-353