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  • 2017 European Conference on Lasers and Electro-Optics and European Quantum Electronics Conference
  • (Optica Publishing Group, 2017),
  • paper CD_P_45

Active Feedback Stabilization of Normal-Dispersion Microresonator Combs

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Abstract

Silicon nitride microresonators provide a potentially CMOS-compatible platform for optical frequency comb generation [1]. As in any high-Q microcavity, thermal effects strongly affect the dynamics. This is particularly true considering that typical continuous wave pump powers for microresonator comb generation operate in the 20-35 dBm range. Temporal bright solitons for instance are generated when the pump is on the red side of a resonance, a situation that is challenging to attain owing to the thermo-optic coefficient of most microresonator materials [2]. Active stabilization has been successfully demonstrated by fixing the soliton power at a certain stage in the initialization process [3] or by careful power kicking and detuning of the pump laser [4].

© 2017 IEEE

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