Dependence of a microresonator Kerr frequency comb on the pump linewidth
We experimentally investigate the dependence of Kerr comb generation, comb linewidth, and coherent system performance on the pump linewidth in a microresonator. We find that the generation of the primary comb can have a larger tolerance to the pump linewidth compared with that of the low-phase-noise comb. In addition, the linewidths of the generated combs are almost linearly dependent on the pump linewidth in the primary and low-phase-noise states. Furthermore, the optical signal-to-noise ratio penalty between the pump and generated Kerr combs in a coherent communication systemis less than 0.2 dB in both the primary and low-phase-noise states, showing that Kerr frequency combs in these two states can have similar coherent system performance to the pump. (C) 2017 Optical Society of America
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Liao, P., Bao, C., Kordts, A., Karpov, M., Pfeiffer, M. H. P., Zhang, L., Mohajerin-Ariaei, A., Cao, Y., Almaiman, A., Ziyadi, M., Wilkinson, S. R., Tur, M., Kippenberg, T. J., & Willner, A. E. (2017). Dependence of a microresonator Kerr frequency comb on the pump linewidth. Optics Letters, 42(4), 779–782. https://doi.org/10.1364/Ol.42.000779
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WOS:000394039500032
2017
42
4
779
782
REVIEWED
EPFL