Two new papers, including one new review paper:
- Kim, B. Y. et al. Turn-key, high-efficiency Kerr comb source. arXiv:1907.07164 [physics] (2019).
- Tanabe, T., Fujii, S. & Suzuki, R. Review on microresonator frequency combs. Jpn. J. Appl. Phys. 58, SJ0801 (2019).
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