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Spin-orbit coupling of light in photonic crystal waveguides

Spin-orbit coupling of light in photonic crystal waveguides
Spin-orbit coupling of light in photonic crystal waveguides
We investigate the effect of breaking the parity of a photonic crystal waveguide designed to have odd and even modes intersecting inside the photonic bandgap. The complete study on the wavefields properties of the resulting bonding modes uncovers that the transverse spin and orbital parts of the angular momentum couple in the very slow-light regime by the means of their local currents. This leads to a sub-bandgap opening between bands characterized by distinct organizations of this spin-orbit coupling at the nano-scale.
1050-2947
1-13
Sotto, Moise Sala Henri
2e7797fc-4433-4513-bd08-03ab7839452c
Debnath, Kapil
aa01749d-524b-4464-b90a-af072e92a02f
Tomita, Isao
e4a78ed2-f525-4fb0-9711-86e2b2dd5587
Saito, Shinichi
14a5d20b-055e-4f48-9dda-267e88bd3fdc
Sotto, Moise Sala Henri
2e7797fc-4433-4513-bd08-03ab7839452c
Debnath, Kapil
aa01749d-524b-4464-b90a-af072e92a02f
Tomita, Isao
e4a78ed2-f525-4fb0-9711-86e2b2dd5587
Saito, Shinichi
14a5d20b-055e-4f48-9dda-267e88bd3fdc

Sotto, Moise Sala Henri, Debnath, Kapil, Tomita, Isao and Saito, Shinichi (2019) Spin-orbit coupling of light in photonic crystal waveguides. Physical Review A, 99 (5), 1-13, [053845]. (doi:10.1103/PhysRevA.99.053845).

Record type: Article

Abstract

We investigate the effect of breaking the parity of a photonic crystal waveguide designed to have odd and even modes intersecting inside the photonic bandgap. The complete study on the wavefields properties of the resulting bonding modes uncovers that the transverse spin and orbital parts of the angular momentum couple in the very slow-light regime by the means of their local currents. This leads to a sub-bandgap opening between bands characterized by distinct organizations of this spin-orbit coupling at the nano-scale.

Text
Spin Orbit Coupling of Light in Photonic Crystal Waveguide PRA submission 2018 12 20 - Author's Original
Available under License Creative Commons Attribution.
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Text
SOC of light in PCW-revised - Accepted Manuscript
Available under License Creative Commons Attribution.
Download (51MB)

More information

In preparation date: 19 December 2018
Submitted date: 20 December 2018
Accepted/In Press date: 30 April 2019
Published date: 28 May 2019
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Identifiers

Local EPrints ID: 427062
URI: http://eprints.soton.ac.uk/id/eprint/427062
DOI: doi:10.1103/PhysRevA.99.053845
ISSN: 1050-2947
PURE UUID: a0bbf2cf-735d-408b-a7d1-69249752f335
ORCID for Shinichi Saito: ORCID iD orcid.org/0000-0003-1539-1182

Catalogue record

Date deposited: 21 Dec 2018 16:30
Last modified: 16 Mar 2024 04:11

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Contributors

Author: Moise Sala Henri Sotto
Author: Kapil Debnath
Author: Isao Tomita
Author: Shinichi Saito ORCID iD

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