OPTICS & PHOTONICS International Congress 2024

Presentation information

ICNN2024 » Oral Presentation

Session 4

Tue. Apr 23, 2024 10:45 AM - 11:45 AM 414+415 (Pacifico Yokohama Conference Center)

Session Chair: Wakana Kubo (Tokyo University of Agriculture and Technology)

11:00 AM - 11:15 AM

[ICNN5-02] Absorption Enhancement of 2D Transition Metal Dichalcogenides on Silicon Metasurface by Degenerate Critical Coupling

*Dingwei Chen1, Junichi Takahara1,2 (1. Graduate School of Engineering, Osaka University, 2. Photonics Center, Graduate School of Engineering, Osaka University)

We realized a dielectric-based Si metasurface platform to accomplish strong light absorption of 2D Transition Metal Dichalcogenides. An absorption enhancement of WS2 on metasurface is achieved by about 15.5 times based on degenerate critical coupling.

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