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Coherent ultra-violet to near-infrared generation in silica ridge waveguides

Author

Listed:
  • Dong Yoon Oh

    (T. J. Watson Laboratory of Applied Physics, California Institute of Technology)

  • Ki Youl Yang

    (T. J. Watson Laboratory of Applied Physics, California Institute of Technology)

  • Connor Fredrick

    (National Institute of Standards and Technology)

  • Gabriel Ycas

    (National Institute of Standards and Technology)

  • Scott A. Diddams

    (National Institute of Standards and Technology)

  • Kerry J. Vahala

    (T. J. Watson Laboratory of Applied Physics, California Institute of Technology)

Abstract

Short duration, intense pulses of light can experience dramatic spectral broadening when propagating through lengths of optical fibre. This continuum generation process is caused by a combination of nonlinear optical effects including the formation of dispersive waves. Optical analogues of Cherenkov radiation, these waves allow a pulse to radiate power into a distant spectral region. In this work, efficient and coherent dispersive wave generation of visible to ultraviolet light is demonstrated in silica waveguides on a silicon chip. Unlike fibre broadeners, the arrays provide a wide range of emission wavelength choices on a single, compact chip. This new capability is used to simplify offset frequency measurements of a mode-locked frequency comb. The arrays can also enable mode-locked lasers to attain unprecedented tunable spectral reach for spectroscopy, bioimaging, tomography and metrology.

Suggested Citation

  • Dong Yoon Oh & Ki Youl Yang & Connor Fredrick & Gabriel Ycas & Scott A. Diddams & Kerry J. Vahala, 2017. "Coherent ultra-violet to near-infrared generation in silica ridge waveguides," Nature Communications, Nature, vol. 8(1), pages 1-7, April.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_ncomms13922
    DOI: 10.1038/ncomms13922
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    Cited by:

    1. Tiandao Chen & Jinyu Pan & Zhiyuan Huang & Yue Yu & Donghan Liu & Xinshuo Chang & Zhengzheng Liu & Wenbin He & Xin Jiang & Meng Pang & Yuxin Leng & Ruxin Li, 2024. "Octave-wide broadening of ultraviolet dispersive wave driven by soliton-splitting dynamics," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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