Unexpected light propagation effects, such as negative refraction, have been reported in artificial media. Leveraging on the intersubband resonances in heterostructured semiconductors, we show that all possible optical regimes, ranging from classical dieletric and metal to hyperbolic metamaterial types 1 and 2, can be achieved. As a demonstration, we prove that the negative refraction effect can occur at a designed frequency by controlling the electronic quantum confinement.

Optical phase transition in semiconductor quantum metamaterials / Hierro, A.; Montes Bajo, M.; Ferraro, M.; Tamayo-Arriola, J.; Le Biavan, N.; Hugues, M.; Ulloa, J. M.; Giudici, M.; Chauveau, J. -M.; Genevet, P.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 123:11(2019), p. 117401. [10.1103/PhysRevLett.123.117401]

Optical phase transition in semiconductor quantum metamaterials

Ferraro M.
Co-primo
;
2019

Abstract

Unexpected light propagation effects, such as negative refraction, have been reported in artificial media. Leveraging on the intersubband resonances in heterostructured semiconductors, we show that all possible optical regimes, ranging from classical dieletric and metal to hyperbolic metamaterial types 1 and 2, can be achieved. As a demonstration, we prove that the negative refraction effect can occur at a designed frequency by controlling the electronic quantum confinement.
2019
metamaterials; semiconductors; phase transition
01 Pubblicazione su rivista::01a Articolo in rivista
Optical phase transition in semiconductor quantum metamaterials / Hierro, A.; Montes Bajo, M.; Ferraro, M.; Tamayo-Arriola, J.; Le Biavan, N.; Hugues, M.; Ulloa, J. M.; Giudici, M.; Chauveau, J. -M.; Genevet, P.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 123:11(2019), p. 117401. [10.1103/PhysRevLett.123.117401]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1553296
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