[P-OTh] ODF '22 Poster Session

[P-OTh-41] Simulation on Double-Ring-Resonator-Type Device Considering Gain for Heat-Assisted Magnetic Recording

*Ryuichi Katayama¹, Satoshi Sugiura² (1. Fukuoka Institute of Technology (Japan), 2. InnovaStella, Inc. (Japan))

[Presentation Style] Online

A numerical simulation considering gain proved that a double-ring-resonator-type device for heat-assisted magnetic recording is effective for selectively exciting TE-like mode rather than TM-like mode thereby increasing the energy density at the tip of nano-antenna.