arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2007.02608physics.opticsnlin.PS
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光子分子中的耗散克尔孤子

Dissipative Kerr solitons in photonic molecules

Óskar B. Helgason, Francisco R. Arteaga-Sierra, Zhichao Ye, Krishna Twayana, Peter A. Andrekson, Magnus Karlsson, Jochen Schröder, Victor Torres-Company

摘要:

许多物理系统显示量子化的能量状态。在光学中,相互作用谐振腔显示出具有分裂本征频率的透射光谱,类似于由键合多原子(即分子)系统中的相互作用状态产生的分裂能级。在这里,我们研究了线性耦合微谐振器中光子双原子分子的非线性动力学,并证明了当激光器被调谐到分裂的能级时,该系统支持形成自执行孤立波。输出对应于频率梳(微梳),其在功率谱分布方面的特性在单模(原子)系统中是无法达到的。光子分子微梳是相干的、可再现的,并且在用几毫瓦的激光功率操作时达到高转换效率和光谱平坦度。这些特性有利于微梳与半导体激光器技术的异质集成,并促进在光通信、光谱学和天文学中的应用。

英文摘要:

Many physical systems display quantized energy states. In optics, interacting resonant cavities show a transmission spectrum with split eigenfrequencies, similar to the split energy levels that result from interacting states in bonded multi-atomic, i.e. molecular, systems. Here, we study the nonlinear dynamics of photonic diatomic molecules in linearly coupled microresonators and demonstrate that the system supports the formation of self-enforcing solitary waves when a laser is tuned across a split energy level. The output corresponds to a frequency comb (microcomb) whose characteristics in terms of power spectral distribution are unattainable in single-mode (atomic) systems. Photonic molecule microcombs are coherent, reproducible, and reach high conversion efficiency and spectral flatness whilst operated with a laser power of a few milliwatts. These properties can favor the heterogeneous integration of microcombs with semiconductor laser technology and facilitate applications in optical communications, spectroscopy and astronomy.

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