期刊
OPTICS LETTERS
卷 46, 期 15, 页码 3508-3511出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.431667
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资金
- European Research Council [853522]
- Danmarks Grundforskningsfond [DNRF123]
- Innovationsfonden [8057-00059B]
- European Research Council (ERC) [853522] Funding Source: European Research Council (ERC)
Researchers have proposed a method to suppress avoided resonance crossing induced by polarization mode coupling, by using a filter waveguide coupled to a microring resonator for selective filtering of the TM00 mode while maintaining low loss of the operational TE00 mode.
Kerr frequency comb generation in microresonators is enabled by notable developments in fabrication technology and novel nonlinear material platforms. However, even in a low loss and highly nonlinear microresonator, the avoided resonance crossing may hamper reliable frequency comb generation. We present a method to suppress the avoided resonance crossing induced by polarization mode coupling. Our approach employs a filter waveguide coupled to a microring resonator for selective filtering of the TM00 mode while keeping the operational TE00 mode with low loss. We experimentally demonstrate an avoided-crossing-suppressed microresonator in the AlGaAs-on-insulator platform. (C) 2021 Optical Society of America
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