High-fidelity cavity soliton generation in crystalline AlN micro-ring resonators

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

Research output: Contribution to journalArticlepeer-review

68 Scopus citations


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 (χ3), and Pockels (χ2) 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.

Original languageEnglish (US)
Pages (from-to)4366-4369
Number of pages4
JournalOptics letters
Issue number18
StatePublished - Sep 15 2018

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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