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Soliton Burst and Bi-Directional Switching in the Platform with Positive Thermal-Refractive Coefficient Using an Auxiliary Laser
Laser & Photonics Reviews ( IF 9.8 ) Pub Date : 2021-09-23 , DOI: 10.1002/lpor.202100264 Yanjing Zhao 1, 2 , Liao Chen 1 , Chi Zhang 1 , Weiqiang Wang 3, 4 , Hao Hu 1 , Ruolan Wang 1 , Xinyu Wang 3, 4 , Sai T. Chu 5 , Brent Little 3 , Wenfu Zhang 3, 4 , Xinliang Zhang 1
Laser & Photonics Reviews ( IF 9.8 ) Pub Date : 2021-09-23 , DOI: 10.1002/lpor.202100264 Yanjing Zhao 1, 2 , Liao Chen 1 , Chi Zhang 1 , Weiqiang Wang 3, 4 , Hao Hu 1 , Ruolan Wang 1 , Xinyu Wang 3, 4 , Sai T. Chu 5 , Brent Little 3 , Wenfu Zhang 3, 4 , Xinliang Zhang 1
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Dissipative Kerr solitons in optical microresonators enable the generation of stable ultrashort pulses and phase-locked frequency combs, leading to their widespread applications. For traditional platforms with positive thermal-refractive coefficient, strong thermal effect increases the difficulties of soliton triggering and prohibits the deterministic control of soliton number. Here, using an auxiliary laser to tune thermal effect, soliton burst and bi-directional switching are demonstrated in high-index doped silica glass platform. First, by varying the parameters of the auxiliary laser, the thermal effect tuning of the microresonator is studied with different thermal compensation states achieved, leading to distinct soliton switching features. Especially, the solitons burst and bi-directional switch in over-compensated state. The corresponding process is recorded in real time based on a temporal magnification system, uncovering transient dynamics from continuum background noise to soliton formation. Finally, the deterministic generation of solitons is enabled with controllable soliton number spanning from 1 to 21. The present work provides insight into soliton dynamics and enables soliton generation on demand with a large range of soliton numbers inside a single device.
中文翻译：
使用辅助激光器在具有正热折射系数的平台中进行孤子突发和双向切换
光学微谐振器中的耗散克尔孤子能够产生稳定的超短脉冲和锁相频率梳，从而得到广泛应用。对于具有正热折射系数的传统平台，强烈的热效应增加了孤子触发的难度，阻碍了孤子数的确定性控制。在这里，在高折射率掺杂石英玻璃平台上展示了使用辅助激光器来调节热效应、孤子爆发和双向切换。首先，通过改变辅助激光器的参数，研究微谐振器的热效应调谐，实现不同的热补偿状态，导致不同的孤子开关特性。尤其是孤子的爆发和过度补偿状态下的双向切换。基于时间放大系统实时记录相应的过程，揭示从连续背景噪声到孤子形成的瞬态动态。最后，孤子的确定性生成是通过从 1 到 21 的可控孤子数实现的。目前的工作提供了对孤子动力学的深入了解，并在单个设备内使用大范围的孤子数按需生成孤子。
更新日期：2021-11-11
中文翻译：
使用辅助激光器在具有正热折射系数的平台中进行孤子突发和双向切换
光学微谐振器中的耗散克尔孤子能够产生稳定的超短脉冲和锁相频率梳，从而得到广泛应用。对于具有正热折射系数的传统平台，强烈的热效应增加了孤子触发的难度，阻碍了孤子数的确定性控制。在这里，在高折射率掺杂石英玻璃平台上展示了使用辅助激光器来调节热效应、孤子爆发和双向切换。首先，通过改变辅助激光器的参数，研究微谐振器的热效应调谐，实现不同的热补偿状态，导致不同的孤子开关特性。尤其是孤子的爆发和过度补偿状态下的双向切换。基于时间放大系统实时记录相应的过程，揭示从连续背景噪声到孤子形成的瞬态动态。最后，孤子的确定性生成是通过从 1 到 21 的可控孤子数实现的。目前的工作提供了对孤子动力学的深入了解，并在单个设备内使用大范围的孤子数按需生成孤子。
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