[TuF3] Optical Integrated Devices

3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

[TuF3-5] High-Q Single-Layer Dimerized Nanometallic Grating for Free-Space Optical Modulator

○Koto Ariu¹, Go Soma¹, Seidai Karakida¹, Yoshiaki Nakano¹, Takuo Tanemura¹ (1. The University of Tokyo (Japan))

Keywords:

Nanophotonic metamaterial and plasmonic switching devices,Optical switches for space/mode division multiplexing

High-speed free-space modulator with Q-tuned single-layer dimerized nanometallic grating using organic electro-optic material is demonstrated. Stable resonance across 100-nm wavelength range and efficient intensity modulation with a record-high Q factor of 470 are achieved experimentally.