Ultra-compact superconductive resonator with double-spiral structure

Author

Averkin, A.S. ; Zhuravel, A.P. ; Karpov, Aleksey ; Anlage, Steven M. ; Ustinov, Alexey V.

Author_Institution

Nat. Univ. of Sci. & Technol. (MISIS), Moscow, Russia

fYear

2013

fDate

16-21 Sept. 2013

Firstpage

142

Lastpage

144

Abstract

We discuss the characteristics of an ultra-compact double-spiral superconductive Nb microresonator as a potential magnetic metamaterial element. This resonator consists of two superconducting Nb spirals, sandwiched face to face, with a small gap. We study the resonator spectral response by using numerical simulation. The resonator modal structure has been also examined with a laser scanning microscope. The achieved resonator size with respect to the wavelength in our experiment is about λ/4200. Compared to the single-spiral resonator, the frequency of the fundamental mode of the double-spiral one is lowered by a factor of six. Small size and the ease of manufacturing make the double-spiral resonator an attractive solution for magnetic the component of a metamaterial.

Keywords

micromechanical resonators; niobium; numerical analysis; optical microscopy; superconducting resonators; type II superconductors; Nb; double-spiral structure; fundamental mode; laser scanning microscopy; magnetic metamaterial element; numerical simulation; resonator modal structure; resonator size; resonator spectral response; ultracompact double-spiral superconductive microresonator; Magnetic materials; Metamaterials; Optical resonators; Resonant frequency; Spirals; Superconducting magnets; Superconducting microwave devices;

fLanguage

English

Publisher

ieee

Conference_Titel

Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS), 2013 7th International Congress on

Conference_Location

Talence

Print_ISBN

978-1-4799-1229-2

Type

conf

DOI

10.1109/MetaMaterials.2013.6808980

Filename

6808980