Journal
OPTICS LETTERS
Volume 44, Issue 18, Pages 4475-4478Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.44.004475
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Funding
- Advanced Research Projects Agency-Energy [DE-AR0000843]
- Air Force Office of Scientific Research [FA9550-15-1-0303]
- National Science Foundation (NSF) [ECS-0335765]
- Small Business Innovation Research [FA8650-19-C-1002]
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We demonstrate an approach for automated Kerr comb generation in the normal group-velocity dispersion (GVD) regime. Using a coupled-ring geometry in silicon nitride, we precisely control the wavelength location and splitting strength of avoided mode crossings to generate low-noise frequency combs with pump-to-comb conversion efficiencies of up to 41%, which is the highest reported to date for normal-GVD Kerr combs. Our technique enables on-demand generation of a high-power comb source for applications such as wavelength-division multiplexing in optical communications. (C) 2019 Optical Society of America
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