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 accessAbstract
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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Citations
Cites
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Cited by
Ozawa, T., Price, H. M., Amo, A., Goldman, N., Hafezi, M., Lu, L., Rechtsman, M. C., Schuster, D., Simon, J., Zilberberg, O., et al. (2019) · Reviews of Modern Physics · doi:10.1103/revmodphys.91.015006 · Cited by 3,722
Lu, L., Joannopoulos, J. D., & Soljačić, M. (2014) · Nature Photonics · doi:10.1038/nphoton.2014.248 · Cited by 3,655
Parity–time symmetry and exceptional points in photonics
Özdemir, Ş. K., Rotter, S., Nori, F., & Yang, L. (2019) · Nature Materials · doi:10.1038/s41563-019-0304-9 · Cited by 1,773
Exceptional topology of non-Hermitian systems
Bergholtz, E. J., Budich, J. C., & Kunst, F. K. (2021) · Reviews of Modern Physics · doi:10.1103/revmodphys.93.015005 · Cited by 1,711
Symmetry and Topology in Non-Hermitian Physics
Kawabata, K., Shiozaki, K., Ueda, M., & Sato, M. (2019) · Physical Review X · doi:10.1103/physrevx.9.041015 · Cited by 1,357
Metadata
- Authors
- Poli, C., Bellec, M., Kuhl, U., Mortessagne, F., & Schomerus, H.
- Venue
- Nature Communications
- Published
- 2015-04-02
- Volume
- 6
- Issue
- 1
- Pages
- 6710-6710
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2048581228
- Cited by
- 549
- References
- 47
- FWCI
- 20.04
- Type
- journal article
- Language
- en
- Open access
- gold
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- Poli, C., Bellec, M., Kuhl, U., Mortessagne, F., & Schomerus, H. (2015). Selective enhancement of topologically induced interface states in a dielectric resonator chain. Nature Communications. https://doi.org/10.1038/ncomms7710
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