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physics.optics2024★ 76 cited
Low-Contrast BIC Metasurfaces with Quality Factors Exceeding 100,000
Keisuke Watanabe, Tadaaki Nagao, Masanobu Iwanaga
Dielectric metasurfaces operating at quasi-bound states in the continuum (qBICs) can achieve exceptionally high radiative quality () factors by introducing small asymme…
physics.optics2023★ 22 cited
Vibrational coupling to quasi-bound states in the continuum under tailored coupling conditions
Keisuke Watanabe, Hemam Rachna Devi, Masanobu Iwanaga +1
Photonic resonance modes can be spectrally coupled to the vibrational modes of molecules in the mid-infrared regime through interactions between localized electric fields and nearb…