作者
Zheng Gong, Alexander Bruch, Mohan Shen, Xiang Guo, Hojoong Jung, Linran Fan, Xianwen Liu, Liang Zhang, Junxi Wang, Jinmin Li, Jianchang Yan, Hong X Tang
发表日期
2018/9/15
期刊
Optics letters
卷号
43
期号
18
页码范围
4366-4369
出版商
Optical Society of America
简介
Chip-scale mode-locked dissipative Kerr solitons have been realized on various materials platforms, making it possible to achieve a miniature, highly coherent frequency comb source with high repetition rates. Aluminum nitride (AlN), an appealing nonlinear optical material having both Kerr (χ^3), and Pockels (χ^2) effects, has immerse potential for comb self-referencing without the need for external harmonic generators. However, cavity soliton states have not yet been achieved in AlN microresonators. Here, we demonstrate mode-locked Kerr cavity soliton generation in a crystalline AlN microring resonator. By utilizing ultrafast tuning of the pump frequency through single-sideband modulation, in combination with an optimized wavelength scan and pump power-ramp patterns, we can deterministically elongate a ∼400 ns short-lived soliton to a time span as long as we wish to hold it.
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Z Gong, A Bruch, M Shen, X Guo, H Jung, L Fan, X Liu… - Optics letters, 2018