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Conferences > ECEOC > 2022 > Tu5 > Tu5.72
  • European Conference on Optical Communication (ECOC) 2022
  • Technical Digest Series (Optica Publishing Group, 2022),
  • paper Tu5.72

Interferometrically Coupled Reconfigurable Racetrack Resonator on Lithium Niobate-on-Insulator platform

Andreas Maeder, Fabian Kaufmann, Giovanni Finco, David Pohl, Jost Kellner, Xiyue Sissi Wang, and Rachel Grange

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Abstract

We exploit a thermo-optically tuned interferometric coupling scheme to relax fabrication tolerances on coupling segments of microresonators in lithium niobate-on-insulator. We achieve extinction ratios up to 34 dB and show tuning of resonance bandwidth between 15 and 45 pm while maintaining extinction above 15 dB.

© 2022 The Author(s)

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