3 papers
physics.optics2026
Nonlinearity-induced chirality in resonant metasurfaces
Chi Wang, Dmitrii Gromyko, Polina Pantiukhina +2
Chiral metasurfaces conventionally rely on structural or extrinsic symmetry breaking, while nonlinear circular dichroism is usually treated as a resonantly enhanced consequence of…
physics.optics2026
Enhancing Volumetric Optical Chirality through 2D-3D Structural Design Evolution
Chia-Te Chang, Xiaoyan Zhou, Dmitrii Gromyko +6
Circular dichroism (CD) sensing plays a pivotal role in probing molecular chirality in biomedical sciences. However, engineering superchiral electromagnetic fields that can reliabl…
physics.optics2025
Light-cone-proximal quasi-BICs for chiral lasing at grazing angles
Dmitrii Gromyko, Cheng-Wei Qiu, Kirill Koshelev +1
Chiral quasi-bound states in the continuum (q-BICs) have recently emerged in metaphotonics as resonances that combine ultrahigh quality factors with near-unity circular polarizatio…