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Robust high-order polarization arrays via vectorial spatial-coherence engineering
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DOI：10.1103/PhysRevApplied.20.054031.png)
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Abstract
En 中文
Beam arrays with structured polarization states offer distinct advantages over single-structured beams in various applications. In this work, we propose an alternative way to synthesize the beam arrays car-rying the controllable spatially inhomogeneous polarization states on the higher-order Poincare spheres. The protocol is based on the vectorial spatial-coherence engineering of a partially coherent beam source, wherein a higher-order polarization array is first encoded into the spatial-coherence matrix of the source. We demonstrate that the encoded higher-order polarization array can then be reconstructed well in the received plane even when the partially coherent source is significantly blocked by an opaque obstacle or experiences strong phase perturbation. This highlights the high robustness of the synthesized higher-order polarization array. Additionally, we discuss the influence of the spatial-coherence area of the source on the robustness of the beam arrays. The findings of this work may have practical implications for multiparticle manipulation and multichannel optical communication in complex environments.
Keywords:
BEAM ARRAY
GENERATION
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