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physics.optics2025
Phase Matched Plasmonic Transmission Lines for Cascaded Second-Harmonic Generation as a Pathway to Nonlinear Logic Circuits
Komal Gupta, Anand Hegde, Xiaofei Wu +2
In nonlinear nanophotonics, cascaded second-harmonic generation (SHG) in pure plasmonic waveguides for sequential signal transformation and complex on-chip functionality remains a…
physics.optics2025
High-definition 3D suspended Archimedean spiral with broadband, spatially extended, and single-handed optical chirality enhancement in Vis-NIR range
Min Jiang, Abhik Chakraborty, Xiaofei Wu +2
3D plasmonic structures can provide giant optical chirality (C) in the near field, enabling strong interactions with enantiomers for chiral sensing applications. However, these str…
physics.optics2025
Positive-tone Nanolithography of Antimony Trisulfide with Femtosecond Laser Wet-etching
Abhrodeep Dey, Uwe Hübner, Albane Benardais +10
Antimony trisulfide (), as an emerging material for integrated photonic devices, has attracted significant attention due to its high index, low loss, and phase-changin…