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Near-zero-dispersion soliton and broadband modulational instability Kerr microcombs in anomalous dispersion

Engineering and Technology

Near-zero-dispersion soliton and broadband modulational instability Kerr microcombs in anomalous dispersion

Z. Xiao, T. Li, et al.

This groundbreaking research conducted by Zeyu Xiao, Tieying Li, Minglu Cai, Hongyi Zhang, Yi Huang, Chao Li, Baicheng Yao, Kan Wu, and Jianping Chen delves into the thrilling dynamics of microcombs within fiber-based Fabry-Perot microresonators. They achieved a staggering 2/3-octave-spanning microcomb with over 8400 comb lines, and near-zero-dispersion solitons demonstrating ultra-high repetition rates. Discover the potential of these innovative technologies!

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Playback language: English
Abstract
This paper investigates microcomb dynamics in a fiber-based Fabry-Perot microresonator with ultra-small anomalous GVD. Experimentally, they achieved 2/3-octave-spanning microcombs with ~10 GHz spacing, >84 THz span, and >8400 comb lines in the modulational instability (MI) state. They also observed anomalous-dispersion based near-zero-dispersion solitons (AD-NZDS) with a local repetition rate up to 8.6 THz, pulse duration <100 fs, span >32 THz, and >3200 comb lines. Broadband MI combs offer high conversion efficiency and wide range, while AD-NZDS exhibit low phase noise and ultra-high repetition rate.
Publisher
Light: Science & Applications
Published On
Jan 31, 2023
Authors
Zeyu Xiao, Tieying Li, Minglu Cai, Hongyi Zhang, Yi Huang, Chao Li, Baicheng Yao, Kan Wu, Jianping Chen
Tags
microcombs
fiber-based Fabry-Perot
anomalous GVD
modulational instability
AD-NZDS
ultra-high repetition rate
pulse duration

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