長距離伝搬Bloch表面波導波路用いた高スループットセンシングの研究

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Design of the BSW waveguide-based optical circuit. The BSW waveguide was designed and optimized with low-loss and long-propagation-length to realize high sensitivity and high throughput for biosensing,Evaluation of the sensing performance of BSW guiding slab-based optical biosensor. The slab-guided BSW biosensor has been realized with 5% and 20 % light transmittance increase with 1 mg/mL BSA coating and 100 μg/mL anti-BSA coating, respectively. The metal-free device that can serve as an efficient optical circuit with long propagation length will impact the development of analysis tools for label-free sensing for use in biological research, medical diagnostics and pharmaceutical research.Part of this work has been published:[1] Chih-Zong Deng, Ya-Lun Ho, Clark, J. Kenji Clark, Takashi Yatsui, and Jean-Jacques Delaunay, “Light Switching with a Metal-Free Chiral-Sensitive Metasurface at Telecommunication Wavelengths,” ACS Photonics, 7(10), 2915-2922, 2020.[2] Chih-Zong Deng, Ya-Lun Ho, Clark, Hiroyasu Yamahara, Hitoshi Tabata, and Jean-Jacques Delaunay, “Near-Zero-Index Slabs on Bloch Surface Wave Platform for Long-Range Directional Couplers and Optical Logic Gates,” ACS nano, 16(2), 2224-2232, 2022