Perfectly vertical silicon-on-insulator grating couplers with low broadband back-reflection and increased feature sizes Conferences uri icon

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abstract

  • We design perfectly vertical grating couplers with minimum feature sizes above 100 nm, high coupling efficiencies up to 75%, and low back reflection of -20 dB over 100 nm bandwidth, using a machine learning method.

authors

  • Dezfouli, Mohsen Kamandar
  • Grinberg, Yuri
  • Melati, Daniele
  • Cheben, Pavel
  • Schmid, Jens H
  • Sánchez-Postigo, Alejandro
  • Ortega-Moñux, Alejandro
  • Wangüemert-Pérez, Gonzalo
  • Cheriton, Ross
  • Janz, Siegfried
  • Xu, Dan-Xia

publication date

  • 2020