Development of TiN-Based Suspended Meander Kinetic Inductance Detectors (KIDs) for Visible and Near-Infrared Astronomy Applications

Author:

Appavou Maria1,Ribeiro Lucas2,Nicaise Paul1,Hu Jie1,Martin Jean-Marc3,Firminy Josiane1,Chaumont Christine1,Bonifacio Piercarlo1,Boussaha Faouzi1

Affiliation:

1. Paris Observatory

2. University of Évry Val d'Essonne

3. California Institute of Technology

Abstract

Abstract We propose high-Q factors sub-stoichiometric TiN-based Lumped Element MKIDs on sapphire with vacuum gap suspended meander. The aim is to improve detector response by trapping phonons within the meander to increase the number of Cooper pairs breaking into quasiparticles. Furthermore, either Nb/Au or Nb/Al reflective thin bilayer can be placed beneath \textcolor{black}{the meander} to respectively improve the photon peak absorption at the near-infrared and visible wavelengths.

Publisher

Research Square Platform LLC

Reference13 articles.

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2. Hu, Jie and Boussaha, Faouzi and Martin, Jean-Marc and Nicaise, Paul and Chaumont, Christine and Beldi, Samir and Piat, Michel and Bonifacio, Piercarlo (2021) Large inverse transient phase response of titanium-nitride-based microwave kinetic inductance detectors. Applied Physics Letters 119(21) https://doi.org/10.1063/5.0074103, Journal Article, 0003-6951 1077-3118

3. Gerhard Ulbricht and Mario De Lucia and Eoin Baldwin (2021) Applications for Microwave Kinetic Induction Detectors in Advanced Instrumentation. Applied Sciences 11(6): 2671 https://doi.org/10.3390/app11062671, {MDPI} {AG}, mar, https://doi.org/10.3390%2Fapp11062671

4. Kozorezov, A. G. and Wigmore, J. K. and Martin, D. and Verhoeve, P. and Peacock, A. (2007) Electron energy down-conversion in thin superconducting films. Phys. Rev. B 75: 094513 https://doi.org/10.1103/PhysRevB.75.094513, https://link.aps.org/doi/10.1103/PhysRevB.75.094513, American Physical Society, Mar, 12, 9

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