Bi-layer kinetic inductance detectors for W-band

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URI: http://hdl.handle.net/10902/20611
ISBN: 978-1-7281-6816-6
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Autoría
Aja Abelán, BeatrizAutoridad Unican; Fuente Rodríguez, Luisa María de laAutoridad Unican; Fernández Pérez, África María; Pascual Gutiérrez, Juan PabloAutoridad Unican; Artal Latorre, EduardoAutoridad Unican; Calero de Ory, Marina; Magaz Pérez, María Teresa; Granados Ruiz, Daniel; Martin Pintado, Jesús; Gómez Gutiérrez, Alicia
Fecha
2020
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© 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Publicado en
IEEE/MTT-S International Microwave Symposium (IMS), Los Angeles, California, USA, 2020, 932-935
Editorial
Institute of Electrical and Electronics Engineers, Inc.
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Palabras clave
Kinetic inductance detector
Superconducting microwave devices
Resonator
Cryogenics
Resumen/Abstract
An array of superconducting kinetic inductance detectors (KID) has been fabricated and it has demonstrated absorption at W-Band. The use of a bi-layer structure based on aluminum (AI) and titanium (Ti) shows a lower superconducting critical temperature (T c ), which allows the detection at W-band. A design methodology is presented taking into account the KID geometry in order to maximize the absorption and a dual-polarization KID has been designed using the proposed methodology. Two prototypes of KID on Silicon substrate have been fabricated showing a good agreement between measurement and simulation results. The measurements at room temperature from 65 to 110 GHz show the matching at the frequency band, while dark cryogenic characterization demonstrated the low frequency design.
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