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Plasmonic Spin Meron Lattices with Height-Sensitive Topology Evolution
Anand Hegde, Komal Gupta, Chen-Bin Huang
We demonstrate height-controlled topological switching of plasmonic spin meron lattices above a metallic square coupling structure under circularly polarized illumination. Near the…
Advancing Plasmonic Computing with Single-Beam Logic Primitives
Komal Gupta, Anand Hegde, Chen-Bin Huang
Plasmonic logic circuits combine ultrafast operation with nanoscale integration, making them a strong candidate for next-generation optical computing. Realizing this potential, how…
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…
Geometry-Driven Lattice of Photonic Spin-Meron Tubes in Free Space
Anand Hegde, Komal Gupta, Yanan Dai +1
We theoretically demonstrate the first photonic spin-meron tube lattice in free space using spin-angular momentum vectors. Square-block diffraction creates -symmetric beams…