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  • 2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 2021),
  • paper ck_3_4

Waveguide subwavelength gratings bridged thin-film LiNbO3 ridge-waveguide grating couplers

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Abstract

A ridge-waveguide grating coupler integrated with waveguide subwavelength gratings structure is fabricated on thin-film LiNbO3. A high coupling efficiency of -5.35 dBcoupler for TE input signals and over 90 nm 3-dB bandwidth are achieved.

© 2021 IEEE

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