Results 201 to 210 of about 1,441 (235)

Engineering topological chiral transport in a flat-band lattice of ultracold atoms. [PDF]

Light Sci Appl
Li H, Liang Q, Dong Z, Wang H, Yi W, Pan JS, Yan B.   +6 more
europepmc   +1 more source

Altermagnets Enable Gate-Switchable Helical and Chiral Topological Transport with Spin-Valley-Momentum-Locked Dual Protection [PDF]

Xianzhang Chen, Jiayong Zhang, Bowen Hao, Jiahui Qian, Ziye Zhu, Igor Žutić, Zhenyu Zhang, Tong Zhou   +7 more
openalex  

Quantum phases in twisted homobilayer transition metal dichalcogenides. [PDF]

Natl Sci Rev
Li B, Qiu WX, Wu F, MacDonald AH.
europepmc   +1 more source

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Universal spin-momentum locking of light

2017 United States National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM), 2017
We show the existence of an inherent handedness (spin) of evanescent-electromagnetic-waves which is fundamentally locked to the direction of propagation (momentum). It is universal and accompanies evanescent waves in total internal reflection, waveguides/fibers and surface-states. The hallmark of the recently discovered quantum spin hall (QSH) state of
Todd Van Mechelen, Zubin Jacob
openaire   +1 more source

Spin-Momentum-Locked Edge Mode for Topological Vortex Lasing

Asia Communications and Photonics Conference/International Conference on Information Photonics and Optical Communications 2020 (ACP/IPOC), 2020
A topological vortex laser that relies on a novel feature in non-Hermitian topological photonic systems is demonstrated. The out-of-plane radiation feature of spin-momentum locking is reported.
Zhen-Qian Yang, Zeng-Kai Shao, Hua-Zhou Chen, Xin-Rui Mao, Ren-Min Ma   +4 more
openaire   +2 more sources

Nonreciprocity in Optical Fiber Radiation Modes Induced by Spin-Momentum Locking

SSRN Electronic Journal, 2022
Refereed/Peer-reviewed Nonreciprocity in optical fibers are opening new avenues for fields such as quantum computing and quantum photonics. In this study we explore the chiral properties of the radiation modes of optical fibers and show that whispering gallery mode resonances, as part of radiation modes, carry specific transverse spin angular momenta ...
Fengqiu Adam Dong, Wen Qi Zhang, Shaghik Atakaramians, Shahraam Afshar V.   +3 more
openaire   +2 more sources

Ultrafast Microscopy of Spin-Momentum-Locked Surface Plasmon Polaritons

ACS Nano, 2018
Using two-photon photoemission electron microscopy (2P-PEEM) we image the polarization dependence of coupling and propagation of surface plasmon polaritons (SPPs) launched from edges of a triangular, micrometer size, single-crystalline Ag crystal by linearly or circularly polarized light.
Yanan Dai, Maciej Dąbrowski, Vartkess A. Apkarian, Hrvoje Petek   +3 more
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Universal spin-momentum locking of light (Conference Presentation)

Metamaterials, Metadevices, and Metasystems 2017, 2017
We show the existence of an inherent property of evanescent electromagnetic waves: spin-momentum locking, where the direction of momentum fundamentally locks the polarization of the wave. We trace the ultimate origin of this phenomenon to complex dispersion and causality requirements on evanescent waves.
Todd Van Mechelen, Farid Kalhor, Ward D. Newman, Zubin Jacob   +3 more
openaire   +1 more source

The local magnetic field of spin-momentum locked states and fractional effects

Physics Letters A, 2022
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Edinardo I.B. Rodrigues, Mauro M. Doria
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Spin-momentum locking in optical rectification

Physical Review A, 2022
P. Moroshkin, J. Plumitallo, T. Ochiai, R. Osgood, J. M. Xu   +4 more
openaire   +1 more source