Presentation Information
[17p-PA1-8]Asymmetry in Photoluminescence Intensities from Chiral Mie Voids Excited by Circularly Polarized Light
〇HIROMASA NIINOMI1,2, Shun Hashiyada3, Kazuhiro Gotoh4,5, Tomoko Hasegawa1, Tomoya Oshikiri1,2, Masaru Nakagawa1,2,6 (1.IMRAM, Tohoku Univ., 2.S-Hub, Tohoku Univ., 3.RIES, Hokkaido Univ., 4.Grad. Sch. Sci. Tech., Niigata Univ., 5.IRCNT, Niigata Univ., 6.Photonic Meta Sensing Co-Creation Research Center, Tohoku Univ.)
Keywords:
Mie-void resonance,Chirality,Photoluminesence
Recently, Mie-void resonance, which is excited in void nanostructures fabiricated on surfaces of high-refractive-index materials, attracts increasing attentions because it provides new directions of metaphotonics. Here we report that photoluminesence from chiral void structures fabricated on a silicon substrate by reactive ion etching showes different intensities between the excitations by left- and right-handed circularly polarized lasers (CPL). The difference spectrum was found to have a correlation with difference spectrum in near-field intensities in the voids between left- and right-handed CPLs.