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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. The 7th International Topical Meeting on Nanophotonics and Metamaterials: Nanometa 2019, Seefeld, 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: The 7th International Topical Meeting on Nanophotonics and Metamaterials: Nanometa 2019, Seefeld, Austria, 2019-01-03 - 2019-01-06

Identifiers

Local EPrints ID: 427337
URI: https://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: 14 Mar 2019 01:53

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