• Accepted Paper

Propagation dynamics of conjugate topological lattices by multiparameter modulation

Shuilong Chen, Xianjing Li, Junxuan Lu, Shiyuan Zhang, and Xiangsheng Xie

Phys. Rev. A - Accepted 10 September, 2026

DOI: https://doi.org/10.1103/v6ss-bpgj

Abstract

Optical vortex lattices are fundamental to advancing high-capacity spatial multiplexing and multiparticle manipulation. However, transporting these complex arrays over extended free-space distances remains a challenge, as natural transverse diffraction inevitably triggers intense coherent crosstalk that degrades predefined topological structures. Here, we demonstrate a multi-parameter modulation strategy that mitigates this propagation constraint through initial-phase engineering. By introducing a designed optical-axis offset between adjacent lattice cells, the resulting field acquires a controlled phase relation that promotes localized destructive interference, forming a dark grid that reduces transverse overlap and coherent inter-cell coupling. This mechanism is experimentally realized through liquid-crystal photo-alignment, achieving an array-generation efficiency of up to 90% without the pixelation induced zero-order background associated with conventional SLM implementations. Under this collective transverse confinement, the generated scalar vortex-antivortex and conjugate vectorial vortex lattices preserve information bearing central vortex units over extended propagation distances. Their phase singularities remain identifiable throughout the structured local-field evolution, and the conjugate vectorial vortex lattice retains a discernible alternating polarization organization. Following a localized obstruction, the vectorial lattice recovers the phase- and polarization-encoded organization of its central region. This geometric phase platform is electrically tunable and scalable to higher-order topological states such as optical skyrmions, offering a reliable hardware architecture for advanced structured light applications.

Export citation

Export citation

Choose format for download:

Download Citation

If the author has provided any supplemental materials with this article they will be available upon publication of the version of record.

Sign In to Your Journals Account

Filter

Filter

Article Lookup

Enter a citation