Chirped dissipative solitons in driven optical resonators.
Chirped dissipative solitons in driven optical resonators.
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DOI：
10.1364/optica.419771
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发表时间：
2021-06-20
期刊：
影响因子：
10.4
通讯作者：
Renninger WH
中科院分区：
文献类型：
--
作者：
Spiess C;Yang Q;Dong X;Bucklew VG;Renninger WH
孤立子是在自然界中发现的自我维持的粒子状波包。光纤和锁模激光器等光学系统相对简单，在技术上很重要，并且在我们理解孤子的丰富非线性动力学方面继续发挥重要作用。在这里，我们提出了理论和实验观察到的一类新的光孤子的特点是脉冲与大的和积极的啁啾在正常色散谐振腔具有强的光谱滤波。数值模拟显示了几种稳定的波形，包括耗散孤子，其特征在于大的频率啁啾。在纳秒脉冲驱动光纤腔的实验中，观察到啁啾耗散孤子匹配的预测。值得注意的是，啁啾脉冲保持稳定的低品质因数谐振器，尽管大的耗散，这使得新的机会，非线性图案的形成。通过将脉冲产生扩展到正常色散系统并支持更高的脉冲能量，啁啾耗散孤子将使超短脉冲和频率梳源成为可能，这些脉冲和频率梳源对于光谱学、通信和计量学来说更简单、更有效。标度律的推导提供了简单的设计准则，产生啁啾耗散孤子的微谐振器，光纤谐振器，和散装增强腔平台。
Solitons are self-sustaining particle-like wave packets found throughout nature. Optical systems such as optical fibers and mode-locked lasers are relatively simple, are technologically important, and continue to play a major role in our understanding of the rich nonlinear dynamics of solitons. Here we present theoretical and experimental observations of a new class of optical soliton characterized by pulses with large and positive chirp in normal dispersion resonators with strong spectral filtering. Numerical simulations reveal several stable waveforms including dissipative solitons characterized by large frequency chirp. In experiments with fiber cavities driven with nanosecond pulses, chirped dissipative solitons matching predictions are observed. Remarkably, chirped pulses remain stable in low quality-factor resonators despite large dissipation, which enables new opportunities for nonlinear pattern formation. By extending pulse generation to normal dispersion systems and supporting higher pulse energies, chirped dissipative solitons will enable ultrashort pulse and frequency comb sources that are simpler and more effective for spectroscopy, communications, and metrology. Scaling laws are derived to provide simple design guidelines for generating chirped dissipative solitons in microresonator, fiber resonator, and bulk enhancement cavity platforms.
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