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physics.optics2025
Neural network enabled wide field-of-view imaging with hyperbolic metalenses
Joel Yeo, Deepak K. Sharma, Saurabh Srivastava +8
The ultrathin form factor of metalenses makes them highly appealing for novel sensing and imaging applications. Amongst the various phase profiles, the hyperbolic metalens stands o…
physics.optics2025
Dynamic Control of Momentum-Polarization Photoluminescence States with Liquid-Crystal-tuned Nanocavities
Chengkun Dong, Matthew R. Chua, Rasna Maruthiyodan Veetil +5
Dynamic control of light, and in particular beam steering, is pivotal in various optical applications, including telecommunications, LiDAR, and biomedical imaging. Traditional appr…
physics.optics2025
Optical Skyrmions of Vortex Darkness
Nilo Mata-Cervera, Deepak K. Sharma, Yijie Shen +2
We disclose the existence of a type of optical skyrmion, Gauss-Stokes (GS) skyrmions, that is naturally present in an optical vortex around its phase singularity. Contrary to previ…