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Light: Science & Applications (2)
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Showing 1–8 of 8 results

Advanced filters: Author: Daniel Leykam Clear advanced filters

Experimental observation of optical Weyl points and Fermi arc-like surface states

Three-dimensional laser-written waveguide arrays are used to demonstrate type-II Weyl points, along with Fermi arc-like surface states, for light at optical wavelengths.

Jiho Noh
Sheng Huang
Mikael C. Rechtsman
Research20 Mar 2017
Nature Physics

Volume: 13, P: 611-617
Probing bulk topological invariants using leaky photonic lattices

Topological materials are characterized by the topological invariants of filled bands, which cannot be used for bosonic systems. Instead, their topological invariants can be found via the transition from bound to leaky modes in photonic lattices.

Daniel Leykam
Daria A. Smirnova
Research11 Feb 2021
Nature Physics

Volume: 17, P: 632-638
Topological non-Hermitian origin of surface Maxwell waves

Electromagnetic surface waves, derived from Maxwell theory, underpin many optical effects and applications. Here, Bliokh et al. show that surface waves at interfaces between isotropic media have a topological origin described by the non-Hermitian helicity operator and bulk-boundary correspondence.

Konstantin Y. Bliokh
Daniel Leykam
Franco Nori
ResearchOpen Access04 Feb 2019
Nature Communications

Volume: 10, P: 1-7
Universal momentum-to-real-space mapping of topological singularities

Topological properties of materials are typically presented in momentum space. Here, the authors show a universal mapping of topological singularities from momentum to real space, potentially applicable to a wide range of systems.

Xiuying Liu
Shiqi Xia
Zhigang Chen
ResearchOpen Access27 Mar 2020
Nature Communications

Volume: 11, P: 1-8
Limitations and possibilities of topological photonics

Photonic topological states can possess exceptional properties, but their protection is approximate, depending on the type of band topology. This Perspective clarifies these differences and explains their implications for technological applications.

Daniel Leykam
Haoran Xue
Y. D. Chong
Reviews31 Oct 2025
Nature Reviews Physics

Volume: 8, P: 55-64
Nontrivial coupling of light into a defect: the interplay of nonlinearity and topology

Shiqi Xia
Dario Jukić
Hrvoje Buljan
ResearchOpen Access19 Aug 2020
Light: Science & Applications

Volume: 9, P: 1-10
Observation of transverse coherent backscattering in disordered photonic structures

Martin Boguslawski
Sebastian Brake
Cornelia Denz
ResearchOpen Access05 Sept 2017
Scientific Reports

Volume: 7, P: 1-8
Special Issue on “Topological photonics and beyond: novel concepts and recent advances”

Zhigang Chen
Hrvoje Buljan
Daniel Leykam
EditorialOpen Access22 Dec 2020
Light: Science & Applications

Volume: 9, P: 1-5