Spin angular momentum engineering within highly localized focal fields: from simple orientation to complex topologies

Yongxi Zeng; Yanzhong Yu; Jian Chen; Houan Teng; Musheng Chen; Pinghui Wu; Qiwen Zhan

doi:10.1364/PRJ.550414

Photonics Research, Volume. 13, Issue 4, 995(2025)

Spin angular momentum engineering within highly localized focal fields: from simple orientation to complex topologies Editors' Pick

Yongxi Zeng^1,2,3, Yanzhong Yu³, Jian Chen², Houan Teng², Musheng Chen^1,3, Pinghui Wu³, and Qiwen Zhan^1,2、*

Author Affiliations

¹College of Physics and Information Engineering, Quanzhou Normal University, Quanzhou 362000, China

²School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China

³Fujian Provincial Key Laboratory for Advanced Micro-nano Photonics Technology and Devices & Key Laboratory of Information Functional Material for Fujian Higher Education, Quanzhou 362000, China

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Supplementary Materials

Visualization 1 | Visualization 1: The entrance pupil field required to construct a super-diffraction-limited focal field with a specified SAM orientation when f0 = 120° and ?0 varies.

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Visualization 2 | Visualization 2: The entrance pupil field required to construct a super-diffraction-limited focal field with a specified SAM orientation when ?0 =30° and f0 varies.

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Visualization 3 | Visualization 3: The entrance pupil field required to construct SAM bimerons in the focal plane, for ?b =90° and varying fb.

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Yongxi Zeng, Yanzhong Yu, Jian Chen, Houan Teng, Musheng Chen, Pinghui Wu, Qiwen Zhan, "Spin angular momentum engineering within highly localized focal fields: from simple orientation to complex topologies," Photonics Res. 13, 995 (2025)

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Paper Information

Category: Physical Optics

Received: Dec. 8, 2024

Accepted: Jan. 22, 2025

Published Online: Mar. 31, 2025

The Author Email: Qiwen Zhan (qwzhan@usst.edu.cn)

DOI:10.1364/PRJ.550414

CSTR:32188.14.PRJ.550414

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology