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Kerr frequency combs generated in high-Q microresonators offer an immensepotential in many applications, and predicting and quantifying their behavior,performance and stability is key to systematic device design. Based on anextension of the Lugiato-Lefever equation we investigate in this paper theperspectives of changing the pump scheme from the well-understood monochromaticpump to a dual-tone configuration simultaneously pumping two modes. For thecase of anomalous dispersion we give a detailed study of the optimal choices ofdetuning offsets and division of total pump power between the two modes inorder to optimize single-soliton comb states with respect to performancemetrics like power conversion efficiency and bandwidth. Our approach allowsalso to quantify the performance metrics of the optimal single-soliton combstates and determine their trends over a wide range of technically relevantparameters.

Bandwidth and Conversion-Efficiency Analysis of Kerr Soliton Combs in Dual-Pumped Resonators with Anomalous Dispersion