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Related papers: Optical skyrmions in evanescent electromagnetic fi…

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Skyrmions are topologically protected quasiparticles, originally studied in condensed-matter systems and recently in photonics, with great potential in ultra-high-capacity information storage. Despite the recent attention, most optical…

Topologically secure spin configurations, such as skyrmions and bimerons, offer a compelling alternative to conventional magnetic domains, potentially enabling high-density, low-power spintronic devices. These pseudo-particles,…

Mesoscale and Nanoscale Physics · Physics 2025-11-14 Martín Latorre , Joaquín Barra , Juan Pablo Vera , Joaquín Martinez , Mario Castro , Sebastián Allende , Alvaro S. Nunez

Topological quasiparticles, including skyrmions and merons, are topological textures with sophisticated vectorial structures that can be used for high-density information storage, precision metrology, position sensing, etc. Here, we…

Optics · Physics 2024-12-03 Zhe Shen , Sen Lu , Xiong Xiong

Topologically nontrivial field configurations called "baby skyrmions" behave like particles and give origins to the field of skyrmionics that promises racetrack memory and other technological applications. Unraveling the non-equilibrium…

Materials Science · Physics 2017-06-30 Paul J. Ackerman , Timothy Boyle , Ivan I. Smalyukh

Magnetic skyrmions (or vortices) are spatially inhomogeneous spin textures localized in nanoscale cylindrical regions. Topological protection and small size make skyrmions especially attractive for the study of spin topology and…

Mesoscale and Nanoscale Physics · Physics 2020-08-04 Alexei N. Bogdanov , Christos Panagopoulos

An understanding of the pinning of magnetic skyrmions to defects is crucial for the development of future spintronic applications. While pinning is desirable for a precise positioning of magnetic skyrmions it is detrimental when they are to…

Mesoscale and Nanoscale Physics · Physics 2016-10-25 Christian Hanneken , André Kubetzka , Kirsten von Bergmann , Roland Wiesendanger

Topological properties of energy flow of light are fundamentally interesting and have rich practical applications in optical manipulations. Here, skyrmion-like structures formed by Poynting vectors are unveiled in the focal region of a pair…

Skyrmions are topologically protected field configurations with particle-like properties that play important roles in various fields of science. Recently, skyrmions have been directly observed in chiral magnets. Here, we investigate the…

Strongly Correlated Electrons · Physics 2013-08-15 R. L. Silva , L. D. Secchin , W. A. Moura-Melo , A. R. Pereira , R. L. Stamps

With the characteristics of ultrasmall, ultrafast and topological protection, optical skyrmions has great prospects in application of high intensity data stroage, high resolution microscopic imaging and polarization sensing. The flexible…

Optics · Physics 2023-06-27 Ni Zhang , Xinrui Lei , Jiachen Liu , Qiwen Zhan

Magnetic skyrmions are spin swirling solitonic defects that can play a major role in information technology. Their future in applications and devices hinges on their efficient manipulation and detection. Here, we explore from ab-initio…

Mesoscale and Nanoscale Physics · Physics 2021-01-18 Mohammed Bouhassoune , Samir Lounis

Magnetic skyrmions are promising candidates as information carriers in logic or storage devices thanks to their robustness, guaranteed by the topological protection, and their nanometric size. Currently, little is known about the influence…

Liquid crystals are known for their optical birefringence, a property that gives rise to intricate patterns and colors when viewed in a microscope between crossed polarisers. Resulting images are rich in geometric patterns and serve as…

Soft Condensed Matter · Physics 2024-10-24 J. Terroa , M. Tasinkevych , C. S. Dias

Magnetic skyrmions are topological quasiparticles in magnetic field. Until recently, as one of their photonic counterparts, N\'eel-type photonic skyrmion is discovered in surface plasmon polaritons. The deep-subwavelength features of the…

Optics · Physics 2026-03-02 Qiang Zhang , Zhenwei Xie , Luping Du , Peng Shi , Xiaocong Yuan

The development of vector optical fields has brought forth numerous applications. Among these optical fields, a particular class of vector vortex beams has emerged, leading to the emergence of intriguing optical skyrmion fields…

Optics · Physics 2024-10-10 Liwen Wang , Sheng Liu , Geng Chen , Yongsheng Zhang , Chuanfeng Li , Guangcan Guo

Twisted light carries a non-zero orbital angular momentum, that can be transferred from light to electrons and particles ranging from nanometers to micrometers. Up to now, the interplay between twisted light with dipolar systems has…

Mesoscale and Nanoscale Physics · Physics 2024-05-16 Lingyuan Gao , Sergei Prokhorenko , Yousra Nahas , Laurent Bellaiche

The Skyrmion number of paraxial optical Skyrmions can be defined solely via their polarization singularities and associated winding numbers, using a mathematical derivation that exploits Stokes's theorem. It is demonstrated that this…

Topological transitions are fundamental phenomena in electronics, photonics, and quantum technologies. However, the scalability and tunability of Topological transitions in these systems have still been constrained by their material…

Optics · Physics 2025-11-18 Bo Tian , Xi Zhang , Ruitao Wu , Yuquan Zhang , Luping Du , Xiaocong Yuan

Topologically nontrivial magnetic textures such as skyrmions offer promising opportunities for spintronic applications. In recent years, it has been shown that the magnetic properties of layered materials can be affected by depositing…

Topological wave structures, such as vortices and skyrmions, appear in a variety of quantum and classical wave fields, including optics and acoustics. In particular, optical vortices have found numerous applications ranging from quantum…

Classical Physics · Physics 2025-02-13 Bo Wang , Zhiyuan Che , Cheng Cheng , Caili Tong , Lei Shi , Yijie Shen , Konstantin Y. Bliokh , Jian Zi

Analogies between non-trivial topologies of matter and light have inspired numerous studies, including defect formation in structured light and topological photonic band-structures. Three-dimensional topological objects of localized…

Quantum Gases · Physics 2022-03-15 C. D. Parmee , M. R. Dennis , J. Ruostekoski