We report a comprehensive study of low-power octave-bandwidth single-soliton microresonator frequency combs in both the 1550-nm and 1064-nm bands. Our experiments utilize fully integrated silicon-nitride Kerr microresonators and we demonstrate direct soliton generation with widely available distributed-Bragg-reflector lasers that provide less than 40 mW of chip-coupled laser power. We report measurements of soliton thermal dynamics and demonstrate how rapid laser-frequency control, consistent with the thermal time scale of a microresonator, facilitates stabilization of octave-bandwidth soliton combs. Moreover, since soliton combs are completely described by the fundamental linear and nonlinear dynamics of the intraresonator field, we demonstrate the close connection between modeling and generation of octave-bandwidth combs. Our experiments advance the development of self-referenced frequency combs with integrated-photonics technology and comb-laser sources with a tens-of-terahertz pulse bandwidth across the near infrared.

中文翻译：

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用紧凑型低功率半导体激光器产生倍频宽带孤子频率梳

我们报告了在1550 nm和1064 nm频段中的低功率八度带宽单孤子微谐振器频率梳的全面研究。我们的实验利用了完全集成的氮化硅Kerr微谐振器，我们展示了使用广泛可用的分布式布拉格反射器激光器直接产生孤子，该激光器提供小于40 mW的芯片耦合激光功率。我们报告了孤子热动力学的测量结果，并演示了与微谐振器的热时标一致的快速激光频率控制如何促进八度带宽孤子梳的稳定。此外，由于孤子梳完全由谐振器内部场的基本线性和非线性动力学来描述，因此我们展示了建模和倍频带宽梳的生成之间的紧密联系。