Pound-Drever-Hall readout of superconducting lumped element resonators. / Burnett, Jonathan; Lindstrom, Tobias; Tzalenchuk, Alexander; Oxborrow, Mark; Ithier, Grégoire; Meeson, Phil.

2011. Poster session presented at Mesoscopic Superconductivity & Vortex Imaging, Bath, United Kingdom.

Research output: Contribution to conferencePoster

Published

Standard

Pound-Drever-Hall readout of superconducting lumped element resonators. / Burnett, Jonathan; Lindstrom, Tobias; Tzalenchuk, Alexander; Oxborrow, Mark; Ithier, Grégoire; Meeson, Phil.

2011. Poster session presented at Mesoscopic Superconductivity & Vortex Imaging, Bath, United Kingdom.

Research output: Contribution to conferencePoster

Harvard

Burnett, J, Lindstrom, T, Tzalenchuk, A, Oxborrow, M, Ithier, G & Meeson, P 2011, 'Pound-Drever-Hall readout of superconducting lumped element resonators', Mesoscopic Superconductivity & Vortex Imaging, Bath, United Kingdom, 3/05/11 - 7/05/11. <http://staff.bath.ac.uk/pyssb/NES2011/>

APA

Burnett, J., Lindstrom, T., Tzalenchuk, A., Oxborrow, M., Ithier, G., & Meeson, P. (2011). Pound-Drever-Hall readout of superconducting lumped element resonators. Poster session presented at Mesoscopic Superconductivity & Vortex Imaging, Bath, United Kingdom. http://staff.bath.ac.uk/pyssb/NES2011/

Vancouver

Burnett J, Lindstrom T, Tzalenchuk A, Oxborrow M, Ithier G, Meeson P. Pound-Drever-Hall readout of superconducting lumped element resonators. 2011. Poster session presented at Mesoscopic Superconductivity & Vortex Imaging, Bath, United Kingdom.

Author

Burnett, Jonathan ; Lindstrom, Tobias ; Tzalenchuk, Alexander ; Oxborrow, Mark ; Ithier, Grégoire ; Meeson, Phil. / Pound-Drever-Hall readout of superconducting lumped element resonators. Poster session presented at Mesoscopic Superconductivity & Vortex Imaging, Bath, United Kingdom.

BibTeX

@conference{19e3d3d0bc7640629e51319ab7a1bde5,
title = "Pound-Drever-Hall readout of superconducting lumped element resonators",
abstract = "The most prominent sources of noise in superconducting quantum systems may be characterised as a system of two level fluctuators. This is a dominant source of decoherence and linked with flicker noise in SQUIDs and other sensitive devices. In this work a Pound.Drever.Hall measurement setup has been demonstrated for readout of superconducting microwave resonators; which are well coupled to the sources of noise. The setup provides direct measurement of frequency deviations at resonance. Both qualitative and quantitative characterisation of frequency fluctuations are performed by analysing frequency domain spectra and the time domain Allan deviation. Analysis of the latter highlights a strong source of random walk frequency noise, which is not readily visible in the power spectral density. Atomic layer deposition (ALD) has been used to selectively deposit an additional dielectric layer atop some niobium lumped element resonators. Measurements between 30mK.900mK at low power levels between –80dBm and –100dBm have been made to compare a bare resonator to one with an additional dielectric. These measurements show noise to vary with both temperature and power while highlighting additional frequency fluctuations (noise) in the covered resonators. ",
keywords = "NOISE, Pound locking, resonator, superconducting, two level fluctuator",
author = "Jonathan Burnett and Tobias Lindstrom and Alexander Tzalenchuk and Mark Oxborrow and Gr{\'e}goire Ithier and Phil Meeson",
year = "2011",
month = may,
day = "7",
language = "English",
note = "Mesoscopic Superconductivity &amp; Vortex Imaging ; Conference date: 03-05-2011 Through 07-05-2011",

}

RIS

TY - CONF

T1 - Pound-Drever-Hall readout of superconducting lumped element resonators

AU - Burnett, Jonathan

AU - Lindstrom, Tobias

AU - Tzalenchuk, Alexander

AU - Oxborrow, Mark

AU - Ithier, Grégoire

AU - Meeson, Phil

PY - 2011/5/7

Y1 - 2011/5/7

N2 - The most prominent sources of noise in superconducting quantum systems may be characterised as a system of two level fluctuators. This is a dominant source of decoherence and linked with flicker noise in SQUIDs and other sensitive devices. In this work a Pound.Drever.Hall measurement setup has been demonstrated for readout of superconducting microwave resonators; which are well coupled to the sources of noise. The setup provides direct measurement of frequency deviations at resonance. Both qualitative and quantitative characterisation of frequency fluctuations are performed by analysing frequency domain spectra and the time domain Allan deviation. Analysis of the latter highlights a strong source of random walk frequency noise, which is not readily visible in the power spectral density. Atomic layer deposition (ALD) has been used to selectively deposit an additional dielectric layer atop some niobium lumped element resonators. Measurements between 30mK.900mK at low power levels between –80dBm and –100dBm have been made to compare a bare resonator to one with an additional dielectric. These measurements show noise to vary with both temperature and power while highlighting additional frequency fluctuations (noise) in the covered resonators.

AB - The most prominent sources of noise in superconducting quantum systems may be characterised as a system of two level fluctuators. This is a dominant source of decoherence and linked with flicker noise in SQUIDs and other sensitive devices. In this work a Pound.Drever.Hall measurement setup has been demonstrated for readout of superconducting microwave resonators; which are well coupled to the sources of noise. The setup provides direct measurement of frequency deviations at resonance. Both qualitative and quantitative characterisation of frequency fluctuations are performed by analysing frequency domain spectra and the time domain Allan deviation. Analysis of the latter highlights a strong source of random walk frequency noise, which is not readily visible in the power spectral density. Atomic layer deposition (ALD) has been used to selectively deposit an additional dielectric layer atop some niobium lumped element resonators. Measurements between 30mK.900mK at low power levels between –80dBm and –100dBm have been made to compare a bare resonator to one with an additional dielectric. These measurements show noise to vary with both temperature and power while highlighting additional frequency fluctuations (noise) in the covered resonators.

KW - NOISE

KW - Pound locking

KW - resonator

KW - superconducting

KW - two level fluctuator

M3 - Poster

T2 - Mesoscopic Superconductivity &amp; Vortex Imaging

Y2 - 3 May 2011 through 7 May 2011

ER -