Suppression of avoided resonance crossing in microresonators.
Opt Lett
; 46(15): 3508-3511, 2021 Aug 01.
Article
en En
| MEDLINE
| ID: mdl-34329211
ABSTRACT
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.
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01-internacional
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MEDLINE
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En
Revista:
Opt Lett
Año:
2021
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Article