CLEO-PR2022/ISOM'22/ODF'22

Presentation information

Oral Session

CLEO-PR2022 » 2D Materials in Nanophotonics and Non-Hermitian Nanophotonics

[CTuP8B] 2D Materials in Nanophotonics and Non-Hermitian Nanophotonics

Tue. Aug 2, 2022 4:00 PM - 5:30 PM Conference Hall (Oval Room) (1F)

Session Chair: Ryuichi Ohta (NTT Basic Research Laboratories)

4:15 PM - 4:30 PM

[CTuP8B-03] Multi-level anti-counterfeiting based on covert structural features embedded in a fs-laser-treated gold/graphene layer

*Shiru Jiang1,2, Su-Han Kim2, Chul-Soon Park2, Woo-Bin Lee1,2, Sang-Shin Lee1,2 (1. Department of Electronic Engineering, Kwangwoon University (Korea), 2. Nano Device Application Center, Kwangwoon University (Korea))

[Presentation Style] Onsite

A gold/graphene hybrid layer works as triple-level anti-counterfeiting after femtosecond laser irradiation. The presence of graphene enables key structural information related to anti-counterfeiting signatures to be covert thoroughly under the surface of the hybrid layer.