Wang Heng, Duan Bing, Wang Kai, Wu Xing-Yu, Gao Yong-Pan, Lu Bo, Yang Daquan, Wang Chuan
School of Science, Beijing University of Posts and Telecommunications, Beijing, China.
School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China.
Nanophotonics. 2023 Sep 11;12(19):3757-3765. doi: 10.1515/nanoph-2023-0325. eCollection 2023 Sep.
The dissipative Kerr soliton combs based on microresonators have attracted wide attention due to their high coherence and on-chip integration. Meanwhile, the soliton microcombs have shown broad applications in coherent communication, on-chip low-noise microwave synthesizer, optical clock, etc. However, the performance of these applications is typically limited by their bandwidth as the precise tuning of the soliton microcombs usually relies on the thermoelectric cooler, which is slow and may increase the system's complexity. Here, we demonstrate the observation of dissipative solitons based on the magnesium fluoride resonator with an ultrahigh-quality () factor of about 927 million. The 'power-kicking' scheme is employed to lock and stabilize the solitons actively. Also, tuning the acousto-optical modulator allows changing the bandwidth and recoil of the solitons. This approach enables more direct and concise feedback and reduces the system's complexity.
基于微谐振器的耗散克尔孤子梳由于其高相干性和片上集成性而受到广泛关注。同时，孤子微梳在相干通信、片上低噪声微波合成器、光时钟等方面已显示出广泛应用。然而，这些应用的性能通常受到带宽限制，因为孤子微梳的精确调谐通常依赖于热电冷却器，其速度慢且可能增加系统复杂性。在此，我们展示了基于氟化镁谐振器的耗散孤子的观测，其具有约9.27亿的超高品质（）因数。采用“功率踢”方案来主动锁定和稳定孤子。此外，调节声光调制器可改变孤子的带宽和反冲。这种方法实现了更直接简洁的反馈并降低了系统复杂性。
