Report/Guide

Lewis, R; May, I; Clifford, C; Lindstrom, T; Bhandari, S (2021) Engaging UK industry in the development of new standards for quantum technologies. NPL Report. TQE 18

Chunnilall, C; Lindstrom, T; Rungger, I; Godun, R; Kazakova, O; Margolis, H; Bhandari, S; May, I; Lewis, R (2021) International standards development for quantum technologies (NPL representation and provision of technical expertise). NPL Report. TQE 19

Article

Shin, S-H; Stanley, M; Wong, W N; Sweetnam, T; Elarabi, A; Lindstrom, T; Ridler, N M; de Graaf, S (2024) In-operando microwave scattering-parameter calibrated measurement of a Josephson travelling wave parametric amplifier. Applied Physics Letters, 125 (10). 104001

Stanley, M; Shang, X; Celep, M; Salter, M; de Graaf, S; Lindstrom, T; Shin, S-H; Skinner, J; Singh, D; Stokes, D; Acharya, M; Ridler, N M (2024) RF and Microwave Metrology for Quantum Computing – Recent Developments at the UK’s National Physical Laboratory. International Journal of Microwave and Wireless Technologies, 16 (4). pp. 535-543.

Stanley, M; Parker-Jervis, R; Skinner, J; de Graaf, S; Lindstrom, T; Cunningham, J E; Ridler, N M (2023) Determination of the Permittivity of Transmission Lines at Milli-kelvin Temperatures. IEEE Access, 11. pp. 60626-60634.

van Deventer, O; Spethmann, N; Loeffler, M; Amoretti, M; van den Brink, R; Bruno, N; Comi, P; Farrugia, N; Gramegna, M; Jenet, A; Kassenberg, B; Kowlowski, W; Langer, T; Lindstrom, T; Martin, V; Neuman, N; Papadopoulos, H; Pascazio, S; Peev, M; Pitwan, R; Roi, M A; Traina, P; Venderbosch, P; Wilhelm-Mauch, F K (2022) Towards European Standards for Quantum Technologies. EPJ Quantum Technology, 9. 33

Ranjan, V; Wen, Y; Keyser, A K V; Kubatkin, S E; Danilov, A V; Lindstrom, T; Bertet, P; de Graaf, S E (2022) Spin echo silencing using a current-biased frequency-tunable resonator. Physical Review Letters, 129 (18). 180504

de Graaf, S E; Un, S; Shard, A G; Lindstrom, T (2022) Chemical and structural identification of material defects in superconducting quantum circuits. Materials for Quantum Technology, 2 (3). 032001

Stanley, M; Parker-Jervis, R; de Graaf, S; Lindstrom, T; Cunningham, J E; Ridler, N M (2022) Validating S-parameters measurement of RF integrated circuits at milli-kelvin temperatures. Electronics Letters, 58 (16). pp. 614-616.

Saxena, R; Grosfeld, E; de Graaf, S E; Lindstrom, T; Lombardi, F; Deb, O; Ginossar, E (2022) Electronic confinement of the surface states in a topological insulator nanowire. Physical Review B, 106. 035407

Stanley, M; de Graaf, S; Honigl-Decrinis, T; Lindstrom, T; Ridler, N M (2022) Characterizing Scattering Parameters of Superconducting Quantum Integrated Circuits at Milli-Kelvin Temperatures. IEEE Access, 10. pp. 43376-43386.

Schmitt, T W; Connolly, M R; Schleevoigt, M; Liu, C; Kennedy, O; Chavez-Garcia, J M; Jalil, A R; Bennemann, B; Trellenkamp, S; Lentz, F; Neumann, E; Lindstrom, T; de Graaf, S E; Berenschot, E; Tas, N; Mussler, G; Petersson, K D; Grutzmacher, D; Schuffelgen, P (2022) Integration of topological insulator Josephson junctions in superconducting qubit circuits. Nano Letters, 22 (7). pp. 2595-2602.

Keyser, A V K; Burnett, J J; Kubatkin, S E; Danilov, A V; Oxborrow, M; de Graaf, S E; Lindstrom, T (2020) Pulsed electron spin resonance of an organic microcrystal by dispersive readout. Journal of Magnetic Resonance, 321. 106853 ISSN 10907807

Dold, G; Zollitsch, C W; O’Sullivan, J; Welinski, S; Ferrier, A; Goldner, P; de Graaf, S E; Lindstrom, T; Morton, J J L (2019) High-Cooperativity Coupling of a Rare-Earth Spin Ensemble to a Superconducting Resonator Using Yttrium Orthosilicate as a Substrate. Physical Review Applied, 11 (5). 054082 ISSN 2331-7019

de Graaf, S E; Tzalenchuk, A Y; Lindstrom, T (2018) 1/f frequency noise of superconducting resonators in large magnetic fields. Applied Physics Letters, 113 (14). 142601 ISSN 0003-6951

de Graaf, S E; Faoro, L; Burnett, J; Adamyan, A A; Tzalenchuk, A Y; Kubatkin, S E; Lindstrom, T; Danilov, A V (2018) Suppression of low-frequency charge noise in superconducting resonators by surface spin desorption. Nature Communications, 9 (1). 1143 ISSN 2041-1723

George, R E; Senior, J; Saira, O P; Pekola, J P; de Graaf, S; Lindstrom, T; Pashkin, Y A (2017) Multiplexing superconducting qubit circuit for single microwave photon generation. Journal of Low Temperature Physics, 189 (1-2). pp. 60-75.

Lindstrom, T; Lake, R*; Pashkin, Y A*; Manninen, A* (2017) Controlling single microwave photons: a new frontier in microwave engineering. Microw. J., 60 (5). pp. 118-130.

de Graaf, S E; Adamyan, A A*; Lindstrom, T; Erts, D*; Kubatkin, S E*; Tzalenchuk, A Ya; Danilov, A V* (2017) Direct identification of dilute surface spins on Al2O3: origin of flux noise in quantum circuits. Phys. Rev. Lett., 118 (5). 057703

Burnett, J*; Faoro, L*; Lindstrom, T (2016) Analysis of high quality superconducting resonators: consequences for TLS properties in amorphous oxides. Supercond. Sci. Technol., 29 (4). 044008

Wisby, I S; de Graaf, S E; Gwilliam, R*; Adamyan, A*; Kubatkin, S E*; Meeson, P J*; Tzalenchuk, A; Lindstrom, T (2016) Angle-dependent microresonator ESR characterization of locally doped Gd 3+:Al2O3. Phys. Rev. Appl., 6 (2). 024021

Wisby, I; de Graaf, S E*; Gwilliam, R*; Adamyan, A*; Kubatkin, S E*; Meeson, P J*; Tzalenchuk, A Ya; Lindstrom, T (2014) Coupling of a locally implanted rare-earth ion ensemble to a superconducting micro-resonator. Appl. Phys. Lett., 105 (10). 102601

Burnett, J*; Faoro, L*; Wisby, I*; Gurtovoi, V L*; Chernykh, A V*; Mikhailov, G M*; Tulin, V A*; Shaikhaidarov, R*; Antonov, V*; Meeson, P J*; Tzalenchuk, A Y; Lindstrom, T (2014) Evidence for interacting two-level systems from the 1/f noise of a superconducting resonator. Nature Comms., 5. p. 4119.

de Graaf, S E*; Leppakangas, J*; Adamyan, A*; Danilov, A V*; Lindstrom, T; Fogelstrom, M*; Bauch, T*; Johansson, G*; Kubatkin, S E* (2013) Charge qubit coupled to an intense microwave electromagnetic field in a superconducting Nb device: evidence for photon-assisted quasiparticle tunneling. Phys. Rev. Lett., 111 (13). 137002

Leppakangas, J*; de Graaf, S E*; Adamyan, A*; Fogelstrom, M*; Danilov, A V*; Lindstrom, T; Kubatkin, S E*; Johansson, G* (2013) Effects of quasiparticle tunneling in a circuit-QED realization of a strongly driven two-level system. J. Phys. B, At. Mol. Opt. Phys., 46 (22). 224019

Burnett, J; Lindstrom, T; Oxborrow, M; Harada, Y*; Sekine, Y*; Meeson, P*; Tzalenchuk, A Ya (2013) Slow noise processes in superconducting resonators. Phys. Rev. B, 87 (14). 140501

Lindstrom, T; Burnett, J; Oxborrow, M; Tzalenchuk, A (2011) Pound-locking for characherization of superconducting microresonators. Rev. Sci. Instrum., 82 (10). 104706

Lindstrom, T (2009) Properties of high-quality coplanar waveguide resonators for QIP and detector applications. J. Phys.: Conf. Ser., 150. 052140

Lindstrom, T; Healey, J E*; Colclough, M S*; Muirhead, C M*; Tzalenchuk, A Ya (2009) Properties of superconducting planar resonators at millikelvin temperatures. Phys. Rev. B, 80 (13). 132501

Healey, J E*; Lindstrom, T; Colclough, M S*; Muirhead, C M*; Tzalenchuk, A Y (2008) Magnetic field tuning of coplanar waveguide resonators. Appl. Phys. Lett., 93 (4). 043513

Lindstrom, T; Webster, C H; Healey, J E*; Colclough, M S*; Muirhead, C M*; Tzalenchuk, A Y (2008) Numerical simulations of a flux qubit coupled to a high quality resonator. J. Phys.: Conf. Ser., 97. 012319

Lindstrom, T; Webster, C H; Healey, J E*; Colclough, M S*; Muirhead, C M*; Tzalenchuk, A Y (2007) Circuit QED with a flux qubit strongly coupled to a a coplanar transmission line resonator. Supercond. Sci. Technol., 20 (8). pp. 814-821.

Conference or Workshop Item

Skinner, J; Stanley, M; Urbonas, J; de Graaf, S; Lindstrom, T; Ridler, N (2023) Characterizing Precision Coaxial Air lines as Reference Standards for Cryogenic S-Parameter Measurements at Milli-kelvin Temperatures. In: 2023 IEEE.MTT-S International Microwave Symposium (IMS 2023), 11-16 June 2023, San Diego, CA, USA.

Stanley, M; de Graaf, S; Lindstrom, T; Salter, M; Skinner, J; Ridler, N M (2023) Design of Microwave Calibration Standards for Characterising S-Parameters of Quantum Integrated Circuits at Millikelvin Temperatures. In: 2021 51st European Microwave Conference (EuMC), 04-06 April 2022, London, UK.

Manninen, A J*; Kemppinen, A*; Lehtinen, J*; Mykkanen, E*; Amato, G*; Enrico, E*; Lacquaniti, V*; Kataoka, M; Lindstrom, T; Dolata, R*; Khabipov, M*; Jafari, B J*; Lotkhov, S V*; Zorin, A B*; Lake, R E*; Mottonen, M*; Pekola, J P*; George, R*; Pashkin, Y A*; Prance, J*; Astsfiev, O*; Meeson, P J*; Porsch, K* (2015) Towards measurement and control of single-photon microwave radiation on chip. In: 2015 1st URSI Atlantic Radio Science Conference (URSI AT-RASC), 16-24 May 2015, Gran Canaria, Spain.

Manninen, A J*; Kemppinen, A*; Enrico, E*; Kataoka, M; Lindstrom, T; Zorin, A B*; Lotkhov, S V*; Khabipov, M*; Mottonen, M*; Lake, R E*; Govenius, J*; Pekola, J P*; Pashkin, Yu A*; Meeson, P J*; Astafiev, O V* (2014) Measurement and control of single-photon microwave radiation on chip. In: 29th Conference on Precision Electromagnetic Measurements (CPEM 2014), 24-29 August 2014, Rio de Janeiro, Brazil.

Burnett, J*; Lindstrom, T; Wisby, I*; de Graaf, S*; Adamyan, A*; Danilov, A V*; Kubatkin, S*; Meeson, P J*; Tzalenchuk, A Ya (2013) Identifying noise processes in superconducting resonators. In: 2013 IEEE 14th International Superconductive Electronics Conference (ISEC 2013), 7-11 July 2013, Cambridge, MA, USA.