THz Ultrastrong Coupling in an Engineered Fabry-Perot Cavity

Elena Mavrona; Shima Rajabali; Felice Appugliese; Johan Andberger; Mattias Beck; Giacomo Scalari; Jérôme Faist

doi:10.1021/acsphotonics.1c00717

THz Ultrastrong Coupling in an Engineered Fabry-Perot Cavity

Elena Mavrona^*, Shima Rajabali, Felice Appugliese, Johan Andberger, Mattias Beck, Giacomo Scalari^*, Jérôme Faist

^*Corresponding author for this work

Research output: Contribution to journal › Article › Scientific › peer-review

20 Citations (SciVal)

Abstract

We report a monolithic THz planar Fabry-Perot cavity fabricated with wafer bonding and provided with metallic mirrors with subwavelength apertures. We demonstrate its coupling to the cyclotron resonance of a high-mobility, two-dimensional electron gas.Qfactors up to 89 are observed for the first mode at ≃300 GHz, with cooperativity C= 56.4 and a normalized coupling ratio Ωωin the first mode of up to 17.5% and the third mode of up to 6.4%.

Original language	English
Pages (from-to)	2692-2698
Number of pages	7
Journal	ACS Photonics
Volume	8
Issue number	9
DOIs	https://doi.org/10.1021/acsphotonics.1c00717
Publication status	Published - 2021
Externally published	Yes

Keywords

compact
Fabry−Perot cavity
multiple modes
Q factor
THz
ultrastrong coupling

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10.1021/acsphotonics.1c00717

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abstract = "We report a monolithic THz planar Fabry-Perot cavity fabricated with wafer bonding and provided with metallic mirrors with subwavelength apertures. We demonstrate its coupling to the cyclotron resonance of a high-mobility, two-dimensional electron gas.Qfactors up to 89 are observed for the first mode at ≃300 GHz, with cooperativity C= 56.4 and a normalized coupling ratio Ωωin the first mode of up to 17.5% and the third mode of up to 6.4%.",

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AU - Mavrona, Elena

AU - Rajabali, Shima

AU - Appugliese, Felice

AU - Andberger, Johan

AU - Beck, Mattias

AU - Scalari, Giacomo

AU - Faist, Jérôme

PY - 2021

Y1 - 2021

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AB - We report a monolithic THz planar Fabry-Perot cavity fabricated with wafer bonding and provided with metallic mirrors with subwavelength apertures. We demonstrate its coupling to the cyclotron resonance of a high-mobility, two-dimensional electron gas.Qfactors up to 89 are observed for the first mode at ≃300 GHz, with cooperativity C= 56.4 and a normalized coupling ratio Ωωin the first mode of up to 17.5% and the third mode of up to 6.4%.

KW - compact

KW - Fabry−Perot cavity

KW - multiple modes

KW - Q factor

KW - THz

KW - ultrastrong coupling

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JO - ACS Photonics

JF - ACS Photonics

IS - 9

ER -

THz Ultrastrong Coupling in an Engineered Fabry-Perot Cavity

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