• Multimodality integrated microresonators using the Moiré speedup effect
• Perspective: Two rings to rule them all

Ji, Q. X., Liu, P., Jin, W., Guo, J., Wu, L., Yuan, Z., … & Vahala, K. J. (2024). Multimodality integrated microresonators using the Moiré speedup effect. Science, 383(6687), 1080-1083.

• Photonic chip-based low-noise microwave oscillator

  Kudelin, I., Groman, W., Ji, QX. et al. Photonic chip-based low-noise microwave oscillator. Nature (2024).

• Soliton pulse pairs at multiple colours in normal dispersion microresonators

  Yuan, Z., Gao, M., Yu, Y. et al. Soliton pulse pairs at multiple colours in normal dispersion microresonators. Nat. Photon. (2023).

• 3D integration enables ultralow-noise isolator-free lasers in silicon photonics

  Xiang, C., Jin, W., Terra, O. et al. 3D integration enables ultralow-noise isolator-free lasers in silicon photonics. Nature 620, 78–85 (2023).

• Engineered zero-dispersion microcombs using CMOS-ready photonics

  Qing-Xin Ji, Warren Jin, Lue Wu, Yan Yu, Zhiquan Yuan, Wei Zhang, Maodong Gao, Bohan Li, Heming Wang, Chao Xiang, Joel Guo, Avi Feshali, Mario Paniccia, Vladimir S. Ilchenko, Andrey B. Matsko, John E. Bowers, and Kerry J. Vahala, “Engineered zero-dispersion microcombs using CMOS-ready photonics,” Optica 10, 279-285 (2023).

• Probing material absorption and optical nonlinearity of integrated photonic materials

  Gao, M., Yang, QF., Ji, QX. et al. Probing material absorption and optical nonlinearity of integrated photonic materials. Nat Commun 13, 3323 (2022).

• Efficiency of pulse pumped soliton microcombs

  Jiang Li, Chengying Bao, Qing-Xin Ji, Heming Wang, Lue Wu, Stephanie Leifer, Charles Beichman, and Kerry Vahala, “Efficiency of pulse pumped soliton microcombs,” Optica 9, 231-239 (2022)

• Vibrational Kerr Solitons in an Optomechanical Microresonator

  Jia-Chen Shi, Qing-Xin Ji, Qi-Tao Cao, Yan Yu, Wenjing Liu, Qihuang Gong, and Yun-Feng Xiao Phys. Rev. Lett. 128, 073901.

• Single-mode characteristic of a supermode microcavity Raman laser

  P. J. Zhang, Q. X. Ji, Q. T. Cao, H. M. Wang, W. J. Liu, Q. H. Gong, Y. F. Xiao, Proc. Natl. Acad. Sci.USA 2021, 118, e2101605118.

• Dispersive-wave induced noise limits in miniature soliton microwave sources

  Yang, QF., Ji, QX., Wu, L. et al. Dispersive-wave induced noise limits in miniature soliton microwave sources. Nat Commun 12, 1442 (2021).

• Greater than one billion Q factor for on-chip microresonators

  Lue Wu, Heming Wang, Qifan Yang, Qing-xin Ji, Boqiang Shen, Chengying Bao, Maodong Gao, and Kerry Vahala, “Greater than one billion Q factor for on-chip microresonators,” Opt. Lett. 45, 5129-5131 (2020)

• Integrated turnkey soliton microcombs

  Shen, B., Chang, L., Liu, J. et al. Integrated turnkey soliton microcombs. Nature 582, 365–369 (2020).

• Chaos-assisted two-octave-spanning microcombs

  Chen, HJ., Ji, QX., Wang, H. et al. Chaos-assisted two-octave-spanning microcombs. Nat Commun 11, 2336 (2020).