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Nanoimaging of topologically protected waveguide mode at telecommunication frequency

Nanoimaging of topologically protected waveguide mode at telecommunication frequency
Nanoimaging of topologically protected waveguide mode at telecommunication frequency
We demonstrate near-field mapping of a valley-Hall photonic waveguide at telecommunication frequency. Launching and guiding of an optical mode along the boundary between opposite valley-Chern-index domains is experimentally observed in real space, in agreement with theoretical calculations.
Dubrovkin, A.M.
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Chattopadhyay, U.
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Qiang, B.
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Wang, Q.J.
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Chong, Y.
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Zheludev, N.I.
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Dubrovkin, A.M.
4c6f1807-79d1-4e93-8961-3354fc37853b
Chattopadhyay, U.
1e4277f1-8a84-4a37-b978-6aa7c4b740f0
Qiang, B.
bb746eec-4476-45e0-9b5e-7ded679d993e
Wang, Q.J.
d3624857-9c04-4fd4-8cdf-8aae9ab4cd14
Chong, Y.
bdaeb936-619c-4e0e-9388-535c41632f8a
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6

Dubrovkin, A.M., Chattopadhyay, U., Qiang, B., Wang, Q.J., Chong, Y. and Zheludev, N.I. (2019) Nanoimaging of topologically protected waveguide mode at telecommunication frequency. NanoMeta 2019: 7th International Topical Meeting on Nanophotonics and Metamaterials, Austria, Seefeld in Tirol, Austria. 03 - 06 Jan 2019.

Record type: Conference or Workshop Item (Paper)

Abstract

We demonstrate near-field mapping of a valley-Hall photonic waveguide at telecommunication frequency. Launching and guiding of an optical mode along the boundary between opposite valley-Chern-index domains is experimentally observed in real space, in agreement with theoretical calculations.

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NANOMETA-2019_Dubrovkin_ - Author's Original
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More information

Published date: 3 January 2019
Venue - Dates: NanoMeta 2019: 7th International Topical Meeting on Nanophotonics and Metamaterials, Austria, Seefeld in Tirol, Austria, 2019-01-03 - 2019-01-06

Identifiers

Local EPrints ID: 427337
URI: http://eprints.soton.ac.uk/id/eprint/427337
PURE UUID: b97e217c-45bf-47a5-8a10-84443db38877
ORCID for N.I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

Catalogue record

Date deposited: 14 Jan 2019 17:30
Last modified: 16 Mar 2024 02:43

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Contributors

Author: A.M. Dubrovkin
Author: U. Chattopadhyay
Author: B. Qiang
Author: Q.J. Wang
Author: Y. Chong
Author: N.I. Zheludev ORCID iD

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