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Dynamics of mode-coupling-induced microresonator frequency combs in normal dispersion
Jae K. Jang, Yoshitomo Okawachi, Mengjie Yu +4
We experimentally and theoretically investigate the dynamics of microresonator-based frequency comb generation assisted by mode coupling in the normal group-velocity dispersion (GV…
Silicon-chip-based mid-infrared dual-comb spectroscopy
Mengjie Yu, Yoshitomo Okawachi, Austin G. Griffith +3
On-chip spectroscopy that could realize real-time fingerprinting with label-free and high-throughput detection of trace molecules is one of the 'holy grails" of sensing. Such minia…
Breather soliton dynamics in microresonators
Mengjie Yu, Jae K. Jang, Yoshitomo Okawachi +6
The generation of temporal cavity solitons in microresonators results in low-noise optical frequency combs which are critical for applications in spectroscopy, astronomy, navigatio…
Modelocked mid-infrared frequency combs in a silicon microresonator
Mengjie Yu, Yoshitomo Okawachi, Austin G. Griffith +2
Mid-infrared (mid-IR) frequency combs have broad applications in molecular spectroscopy and chemical/biological sensing. Recently developed microresonator-based combs in this wavel…
Raman-assisted coherent, mid-infrared frequency combs in silicon microresonators
Austin G. Griffith, Mengjie Yu, Yoshitomo Okawachi +4
We demonstrate the first low-noise mid-IR frequency comb source using a silicon microresonator. Our observation of strong Raman scattering lines in the generated comb suggests that…