Pseudospin-mediated optical spin–spin interactionin nonlinear photonic graphene

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Pseudospin-mediated optical spin–spin interactionin nonlinear photonic graphene. / Guan, Chunying; Shi, Jinhui; Liu, Jianlong; Liu, Hongchao; Li, Ping; Ye, Weimin; Zhang, Shuang.

In: Laser and Photonics Reviews, Vol. 13, No. 2, 1800242, 11.02.2019.

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Guan, Chunying ; Shi, Jinhui ; Liu, Jianlong ; Liu, Hongchao ; Li, Ping ; Ye, Weimin ; Zhang, Shuang. / Pseudospin-mediated optical spin–spin interactionin nonlinear photonic graphene. In: Laser and Photonics Reviews. 2019 ; Vol. 13, No. 2.

Bibtex

@article{91e6dadd8a434815b9fd54cb52a4438f,
title = "Pseudospin-mediated optical spin–spin interactionin nonlinear photonic graphene",
abstract = "Dynamic manipulation of the spin of photons is important for manyapplications ranging from optical sensing to optical information processing.In the past, the study on controlling the spin of light has focused on chiralmaterials, three-dimensional structures lacking any mirror symmetries.However, the complexity of fabrication of such structures has hindered theirpractical applications. In this work, the dynamic switching of optical chiralityin two-dimensional honeycomb photonic crystal—the so-called photonicgraphene is explored. In particular, optical spin–spin interaction mediated bythe pseudospin states of the photonic graphene is proposed. A circularlypolarized pumping beam can lift the degeneracy at the Dirac cones, leading tochiral responses for a probe beam incident along the direction of the Diracpoints. Interestingly, the chirality is determined by the both the valley indexand the spin of the pumping beam. The proposed nonlinear photonicgraphene offers a new route to manipulate valley- and spin-dependentphenomena in 2D photonic systems.",
keywords = "chirality, nonlinear photonic graphene, pseudospin, spin–spin interaction",
author = "Chunying Guan and Jinhui Shi and Jianlong Liu and Hongchao Liu and Ping Li and Weimin Ye and Shuang Zhang",
year = "2019",
month = feb,
day = "11",
doi = "10.1002/lpor.201800242",
language = "English",
volume = "13",
journal = "Laser and Photonics Reviews",
issn = "1863-8880",
publisher = "Wiley-VCH Verlag",
number = "2",

}

RIS

TY - JOUR

T1 - Pseudospin-mediated optical spin–spin interactionin nonlinear photonic graphene

AU - Guan, Chunying

AU - Shi, Jinhui

AU - Liu, Jianlong

AU - Liu, Hongchao

AU - Li, Ping

AU - Ye, Weimin

AU - Zhang, Shuang

PY - 2019/2/11

Y1 - 2019/2/11

N2 - Dynamic manipulation of the spin of photons is important for manyapplications ranging from optical sensing to optical information processing.In the past, the study on controlling the spin of light has focused on chiralmaterials, three-dimensional structures lacking any mirror symmetries.However, the complexity of fabrication of such structures has hindered theirpractical applications. In this work, the dynamic switching of optical chiralityin two-dimensional honeycomb photonic crystal—the so-called photonicgraphene is explored. In particular, optical spin–spin interaction mediated bythe pseudospin states of the photonic graphene is proposed. A circularlypolarized pumping beam can lift the degeneracy at the Dirac cones, leading tochiral responses for a probe beam incident along the direction of the Diracpoints. Interestingly, the chirality is determined by the both the valley indexand the spin of the pumping beam. The proposed nonlinear photonicgraphene offers a new route to manipulate valley- and spin-dependentphenomena in 2D photonic systems.

AB - Dynamic manipulation of the spin of photons is important for manyapplications ranging from optical sensing to optical information processing.In the past, the study on controlling the spin of light has focused on chiralmaterials, three-dimensional structures lacking any mirror symmetries.However, the complexity of fabrication of such structures has hindered theirpractical applications. In this work, the dynamic switching of optical chiralityin two-dimensional honeycomb photonic crystal—the so-called photonicgraphene is explored. In particular, optical spin–spin interaction mediated bythe pseudospin states of the photonic graphene is proposed. A circularlypolarized pumping beam can lift the degeneracy at the Dirac cones, leading tochiral responses for a probe beam incident along the direction of the Diracpoints. Interestingly, the chirality is determined by the both the valley indexand the spin of the pumping beam. The proposed nonlinear photonicgraphene offers a new route to manipulate valley- and spin-dependentphenomena in 2D photonic systems.

KW - chirality

KW - nonlinear photonic graphene

KW - pseudospin

KW - spin–spin interaction

UR - http://www.scopus.com/inward/record.url?scp=85057564654&partnerID=8YFLogxK

U2 - 10.1002/lpor.201800242

DO - 10.1002/lpor.201800242

M3 - Article

VL - 13

JO - Laser and Photonics Reviews

JF - Laser and Photonics Reviews

SN - 1863-8880

IS - 2

M1 - 1800242

ER -