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Theoretical investigation of phonon polaritons in SiC micropillar resonators

Theoretical investigation of phonon polaritons in SiC micropillar resonators
Theoretical investigation of phonon polaritons in SiC micropillar resonators
Of late there has been a surge of interest in localized phonon polariton resonators which allow for the subdiffraction confinement of light in the midinfrared spectral region by coupling to optical phonons at the surface of polar dielectrics. Resonators are generally etched on deep substrates which support propagative surface phonon polariton resonances. Recent experimental work has shown that understanding the coupling between localized and propagative surface phonon polaritons in these systems is vital to correctly describing the system resonances. In this paper we comprehensively investigate resonators composed of arrays of cylindrical SiC resonators on SiC substrates. Our bottom-up approach, starting from the resonances of single, free-standing cylinders and isolated substrates, and exploiting both numerical and analytical techniques, allows us to develop a consistent understanding of the parameter space of those resonators, putting on firmer ground this blossoming technology.
1550-235X
1-9
Gubbin, Christopher R.
6f0cff68-3eb0-49f9-9763-074c3457cfe2
Maier, Stefan A.
950db919-e145-48b5-bd73-196de02e46fe
De Liberato, Simone
5942e45f-3115-4027-8653-a82667ed8473
Gubbin, Christopher R.
6f0cff68-3eb0-49f9-9763-074c3457cfe2
Maier, Stefan A.
950db919-e145-48b5-bd73-196de02e46fe
De Liberato, Simone
5942e45f-3115-4027-8653-a82667ed8473

Gubbin, Christopher R., Maier, Stefan A. and De Liberato, Simone (2017) Theoretical investigation of phonon polaritons in SiC micropillar resonators. Physical Review B, 95 (35313), 1-9. (doi:10.1103/PhysRevB.95.035313).

Record type: Article

Abstract

Of late there has been a surge of interest in localized phonon polariton resonators which allow for the subdiffraction confinement of light in the midinfrared spectral region by coupling to optical phonons at the surface of polar dielectrics. Resonators are generally etched on deep substrates which support propagative surface phonon polariton resonances. Recent experimental work has shown that understanding the coupling between localized and propagative surface phonon polaritons in these systems is vital to correctly describing the system resonances. In this paper we comprehensively investigate resonators composed of arrays of cylindrical SiC resonators on SiC substrates. Our bottom-up approach, starting from the resonances of single, free-standing cylinders and isolated substrates, and exploiting both numerical and analytical techniques, allows us to develop a consistent understanding of the parameter space of those resonators, putting on firmer ground this blossoming technology.

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Accepted/In Press date: 10 January 2017
e-pub ahead of print date: 30 January 2017
Published date: 31 January 2017
Organisations: Quantum, Light & Matter Group

Identifiers

Local EPrints ID: 405634
URI: http://eprints.soton.ac.uk/id/eprint/405634
ISSN: 1550-235X
PURE UUID: 8eb58447-34d7-40b1-9bf4-0332260d7716
ORCID for Simone De Liberato: ORCID iD orcid.org/0000-0002-4851-2633

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Date deposited: 10 Feb 2017 09:39
Last modified: 07 Oct 2020 02:03

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Contributors

Author: Christopher R. Gubbin
Author: Stefan A. Maier

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