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13 September 2024 Broadband Kerr-Raman frequency combs and soliton mode-locking in microrod resonators
Xueying Jin, Qinglin Fang, Liandong Yu, Xin Xu, Yali Bi, Haojie Xia
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Proceedings Volume 13178, Eleventh International Symposium on Precision Mechanical Measurements; 1317812 (2024) https://doi.org/10.1117/12.3032574
Event: Eleventh International Symposium on Precision Mechanical Measurements, 2023, Guangzhou, China
Abstract
We demonstrate the broadband low-noise Kerr-Raman frequency comb source in an ultrahigh Q microrod resonator, and investigate the mechanisms leading to mode-locked frequency combs. By engineering the interaction between modulation instability and Raman gain, we achieve a wideband Kerr-Raman comb ranging from ~1480 nm to 1700 nm via Raman-assisted four-wave mixing (FWM). Moreover, we can attain a low-noise mode-locked state through laser detuning control, which experiences three distinct stages required for stabilized comb generation. This platform provides potential for applications in ultrafast ranging systems, stimulated Raman scattering microscopy, and high-precision spectroscopy based on integrated microcombs.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Xueying Jin, Qinglin Fang, Liandong Yu, Xin Xu, Yali Bi, and Haojie Xia "Broadband Kerr-Raman frequency combs and soliton mode-locking in microrod resonators", Proc. SPIE 13178, Eleventh International Symposium on Precision Mechanical Measurements, 1317812 (13 September 2024); https://doi.org/10.1117/12.3032574
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KEYWORDS
Mode locking
Microresonators
Frequency combs
Solitons
Raman scattering
Whispering gallery modes
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