Nature Communications (Aug 2017)

Dispersion engineering and frequency comb generation in thin silicon nitride concentric microresonators

  • Sangsik Kim,
  • Kyunghun Han,
  • Cong Wang,
  • Jose A. Jaramillo-Villegas,
  • Xiaoxiao Xue,
  • Chengying Bao,
  • Yi Xuan,
  • Daniel E. Leaird,
  • Andrew M. Weiner,
  • Minghao Qi

DOI
https://doi.org/10.1038/s41467-017-00491-x
Journal volume & issue
Vol. 8, no. 1
pp. 1 – 8

Abstract

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Kerr frequency comb generation from microresonators requires anomalous dispersion, imposing restrictions on materials and resonator design. Here, Kim et al. propose a concentric racetrack-resonator design where the dispersion can be engineered to be anomalous via resonant mode coupling.