All-silicon terahertz metasurfaces for multi-focus multiplexed polarization generation.

Susu Hu, Yongzheng Lu, Tianchen Tang, Li Wei, Bo Dai, Songlin Zhuang, Dawei Zhang

Abstract read

In one paragraph

Article in iScience, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed

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1 · What the graph read from it

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Susu HuEngineering Research Center of Optical Instrument and System, The Ministry of Education, Shanghai Key Laboratory of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China.

Yongzheng LuEngineering Research Center of Optical Instrument and System, The Ministry of Education, Shanghai Key Laboratory of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China.

Tianchen TangEngineering Research Center of Optical Instrument and System, The Ministry of Education, Shanghai Key Laboratory of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China.

Li WeiEngineering Research Center of Optical Instrument and System, The Ministry of Education, Shanghai Key Laboratory of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China.

Bo DaiEngineering Research Center of Optical Instrument and System, The Ministry of Education, Shanghai Key Laboratory of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China.

Songlin ZhuangEngineering Research Center of Optical Instrument and System, The Ministry of Education, Shanghai Key Laboratory of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China.

Dawei ZhangEngineering Research Center of Optical Instrument and System, The Ministry of Education, Shanghai Key Laboratory of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Polarization multiplexing enhances communication capacity but faces material limitations requiring complex device cascading. This paper proposes a strategy for generating multiple polarization states by combining geometric phase and propagation phase in spatially interleaved meta-atoms. This strategy enables the simultaneous generation of scalar (including linearly polarized, circularly polarized) and vector beams (VBs) in the transmitted wave, along with precise wavefront shaping capabilities for these distinct polarization states. Two all-silicon terahertz metasurfaces are designed that are capable of independently manipulating both the phase and amplitude of different polarization states in transmission. The first metasurface achieves focusing with multi-polarization states under left-handed circularly polarized (LCP) illumination, while the second realizes longitudinal focusing of vortex beams exhibiting multiple polarization states under LCP excitation, with each vortex beam carrying unique topological charges. This approach paves new avenues for advanced terahertz polarization manipulation, offering significant potential for next-generation communication and secure information transmission.

Indexed as

applied sciencesopticsphysics

Identifiers

PMID41550742

DOI10.1016/j.isci.2025.114458

PMCPMC12805370

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.