Nature Communications (Jun 2022)

Broadband high-Q multimode silicon concentric racetrack resonators for widely tunable Raman lasers

  • Yaojing Zhang,
  • Keyi Zhong,
  • Xuetong Zhou,
  • Hon Ki Tsang

DOI
https://doi.org/10.1038/s41467-022-31244-0
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 8

Abstract

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The authors demonstrate a new approach for multimode resonators to maintain high-quality-factor resonances across a broad wavelength range using the detuning between the symmetric and anti-symmetric supermodes in concentric racetrack resonators.