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High temperature metamaterial terahertz quantum detector

Abstract : We demonstrate a high temperature performance quantum detector of Terahertz (THz) radiation based on three-dimensional metamaterial. The metamaterial unit cell consists of an inductor-capacitor (LC) resonator laterally coupled with antenna elements. The absorbing region, consisting of semiconductor quantum wells is contained in the strongly ultra-subwavelength capacitors of the LC structure. The high radiation loss of the antenna allows strongly increased collection efficiency for the incident THz radiation, while the small effective volume of the LC resonator allows intense light-matter coupling with reduced electrical area. As a result, our detectors operates at much higher temperatures than conventional quantum well detectors demonstrated so far.
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https://hal.archives-ouvertes.fr/hal-03085674
Contributor : Mathieu Jeannin <>
Submitted on : Monday, December 21, 2020 - 9:40:20 PM
Last modification on : Thursday, December 24, 2020 - 3:32:29 AM

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Mathieu Jeannin, Thomas Bonazzi, Djamal Gacemi, Angela Vasanelli, Stéphan Suffit, et al.. High temperature metamaterial terahertz quantum detector. Applied Physics Letters, American Institute of Physics, 2020, 117 (25), pp.251102. ⟨10.1063/5.0033367⟩. ⟨hal-03085674⟩

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