耗散系统
物理
光学
频率梳
连续相位调制
混合(物理)
包络线(雷达)
偏移量(计算机科学)
四波混频
非线性系统
相(物质)
孤子
群速度
非线性光学
量子力学
电信
激光器
计算机科学
雷达
程序设计语言
作者
Grégory Moille,Christy Li,Jordan Stone,Michal Chojnacky,Pradyoth Shandilya,Yanne K. Chembo,Avik Dutt,Curtis R. Menyuk,Kartik Srinivasan
出处
期刊:Cornell University - arXiv
日期:2023-01-01
标识
DOI:10.48550/arxiv.2303.10026
摘要
Dissipative Kerr solitons (DKSs) intrinsically exhibit two degrees of freedom through their group and phase rotation velocity. Periodic extraction of the DKS into a waveguide produces a pulse train and yields the resulting optical frequency comb's repetition rate and carrier-envelope offset, respectively. Here, we demonstrate that it is possible to create a system with a single repetition rate but two different phase velocities by employing dual driving forces. By recasting these phase velocities into frequencies, we demonstrate, experimentally and theoretically, that they can mix and create new phase-velocity light following any four-wave mixing process, including both degenerately pumped and non-degenerately pumped effects. In particular, we show that a multiple-pumped DKS may generate a two-dimensional frequency comb, where cascaded nonlinear mixing occurs in the phase velocity dimension as well as the conventional mode number dimension, and where the repetition rate in each dimension differs by orders of magnitude.
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