Abstract

We present a quantitative analysis of the mode-pulling effect in microresonator-based comb (microcomb) generation. It is found that the initial dispersion of the microresonator can be ideally compensated or quasi-compensated by the Kerr effect. The ideal dispersion compensation leads to a stable comb, while the comb remains unstable in the quasi-compensation case. Four-wave mixing (FWM) is found to play a critical role in the mode-pulling effect. The influence of third-order dispersion is also analyzed and found to be insignificant. Additionally, the mode-pulling effect can also result in blue-shift of the cavity resonance due to the strong contribution from the phase-dependent FWM process.

© 2013 Optical Society of America

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