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Cited by 549

The DOI matches its Crossref record; 47 of the 47 references it cites were found in a registry or an index.

Selective enhancement of topologically induced interface states in a dielectric resonator chain

Open access
Poli, Charles, Bellec, Matthieu, Kuhl, Ulrich, Mortessagne, Fabrice, Schomerus, Henning·2015·Nature Communications
DOI 10.1038/ncomms7710
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Abstract

The recent realization of topological phases in insulators and superconductors has advanced the search for robust quantum technologies. The prospect to implement the underlying topological features controllably has given incentive to explore optical platforms for analogous realizations. Here we realize a topologically induced defect state in a chain of dielectric microwave resonators and show that the functionality of the system can be enhanced by supplementing topological protection with non-hermitian symmetries that do not have an electronic counterpart. We draw on a characteristic topological feature of the defect state, namely, that it breaks a sublattice symmetry. This isolates the state from losses that respect parity-time symmetry, which enhances its visibility relative to all other states both in the frequency and in the time domain. This mode selection mechanism naturally carries over to a wide range of topological and parity-time symmetric optical platforms, including couplers, rectifiers and lasers.

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Metadata

Authors
Poli, C., Bellec, M., Kuhl, U., Mortessagne, F., & Schomerus, H.
Venue
Nature Communications
Publisher
Springer Science and Business Media LLC
Published
2015-04-02
Volume
6
Issue
1
Pages
6710-6710
ISSN
2041-1723 (ISSN-L)
DOI
10.1038/ncomms7710
OpenAlex
W2048581228
Cited by
549
References
47
FWCI
20.04
Type
journal article
Language
en
Open access
gold

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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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