[21a-A205-1~10] 3.14 Silicon photonics and integrated photonics (formerly 3.15)

[21a-A205-5] Optical refractometric sensor based on topological 1D photonic crystal structure

〇Hideaki Okayama¹, Yosuke Onawa¹, Daisuke Shimura¹ (1.OKI)

Keywords:photonic crystal, sensor

The silicon waveguide is sensitive to the refractive index change at its surface and can be used as various sensors. In this report we describe devices with high sensitivity based on a topological 1D photonic crystal structure.