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    • Add-drop filter based on TiO2 coated shifted Bragg grating 

      Paul Somnath; Vartiainen Ismo; Roussey Matthieu; Saastamoinen Toni; Tervo Jani; Honkanen Seppo; Kuittinen Markku (Yhdysvallat (USA), 2016)
      We present a titanium dioxide coated shifted Bragg grating in a silicon-on-insulator platform enabling optical add-drop functionality. The device works on the basis of mode conversion due to shifted sidewall structure ...