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Normal-dispersion microresonator Kerr frequency combs
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DOI：10.1515/nanoph-2016-0016.png)
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Abstract
En 中文
Optical microresonator-based Kerr frequency comb generation has developed into a hot research area in the past decade. Microresonator combs are promising for portable applications due to their potential for chip-level integration and low power consumption. According to the group velocity dispersion of the microresonator employed, research in this field may be classified into two categories: the anomalous dispersion regime and the normal dispersion regime. In this paper, we discuss the physics of Kerr comb generation in the normal dispersion regime and review recent experimental advances. The potential advantages and future directions of normal dispersion combs are also discussed.
Keywords:
frequency comb
microresonator
Kerr effect
four-wave mixing
group velocity dispersion
mode coupling
modulational instability
dark soliton
thermo-optic effect
pulse shaping
mode-locking
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