Mid-Infrared Soliton and Raman Frequency Comb Generation in Silicon Microrings

Abstract

We numerically study the mechanisms of frequency comb generation in the mid-infrared spectral region from cw pumped silicon microring resonators. Coherent soliton comb generation may be obtained even for a pump with zero linear cavity detuning, through suitable control of the effective lifetime of free-carriers from multiphoton absorption, which introduces a nonlinear cavity detuning via free-carrier dispersion. Conditions for optimal octave spanning Raman comb generation are also described.

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• Deterministic generation of single soliton Kerr frequency comb in microresonators by a single shot pulsed trigger
• Modelocked mid-infrared frequency combs in a silicon microresonator
• Stability and variational analysis of cavity solitons under various perturbations
• Analysis of Kerr comb generation in silicon microresonators under the influence of two-photon absorption and free-carrier absorption
• Dissipative soliton comb
• Carrier envelope phase dynamics of cavity solitons: soliton stability and scaling law
• Raman lasing and soliton modelocking in lithium-niobate microresonators
• Generalized Mathematical Formalism Governing Free-carrier Driven Kerr Frequency Comb in Optical Micro-cavities