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Akademický článek

Direct spectrum analysis using a threshold detector with application to a superconducting circuit

Publikováno v: New Journal of Physics, Vol 16, Iss 5, p 055010 (2014)

We introduce a new and quantitative theoretical framework for noise spectral analysis using a threshold detector, which is then applied to a superconducting device: the Josephson bifurcation amplifier. We show that this new framework provides direct

Externí odkaz: https://doaj.org/article/9031b64cfa77404c8c4ccb9058c7efbc

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Modelling Losses in Superconducting Travelling Wave Parametric Amplifiers

Autor: S. G. Ó Peatáin, T. Dixon, P. J. Meeson, J. M. Williams, S. Kafanov, Yu. A. Pashkin

Publikováno v: Proceedings of the 29th International Conference on Low Temperature Physics (LT29).

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c624db188d46752f984e79b39ae5bd7d
https://doi.org/10.7566/jpscp.38.011188

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Simulating the effects of fabrication tolerance on the performance of Josephson travelling wave parametric amplifiers

Autor: S Ó Peatáin, T Dixon, P J Meeson, J M Williams, S Kafanov, Yu A Pashkin

Publikováno v: Superconductor Science and Technology. 36:045017

We present the simulated performance of a Josephson traveling wave parametric amplifier based on a one-dimensional array of radio-frequency single-junction superconducting quantum interference devices. Using the capabilities allowed by the WRspice si

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ae5c265715e6f2c1f6dd142f0ea8215a
https://doi.org/10.1088/1361-6668/acba4e

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Capturing Complex Behaviour in Josephson Travelling Wave Parametric Amplifiers

Autor: P. J. Meeson, Jonathan M. Williams, G.B. Long, J.W. Dunstan, T. Dixon, Connor D. Shelly

We present an analysis of wave-mixing in recently developed Josephson Travelling Wave Parametric Amplifiers (JTWPAs). Circuit simulations performed using WRspice show the full behaviour of the JTWPA allowing propagation of all tones. The Coupled Mode

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::deaf0b3c3628ef32831bf229d036eece
http://arxiv.org/abs/1912.05349

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Angle-Dependent Microresonator ESR Characterization of Locally DopedGd3+:Al2O3

Autor: Russell M. Gwilliam, Tobias Lindström, Sergey Kubatkin, A. Ya. Tzalenchuk, S. E. de Graaf, A. Adamyan, P. J. Meeson, I. S. Wisby

Publikováno v: Physical Review Applied. 6

Interfacing rare-earth-doped crystals with superconducting circuit architectures provides an attractive platform for quantum memory and transducer devices. Here, we present the detailed characterization of such a hybrid system: a locally implanted ra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bd464ebde3b102eb505120d4df84a05f
https://doi.org/10.1103/physrevapplied.6.024021

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Towards measurement and control of single-photon microwave radiation on chip

Publikováno v: Manninen, A J, Kemppinen, A, Lehtinen, J, Mykkänen, 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, Möttonen, M, Pekola, J P, George, R, Pashkin, Y A, Prance, J, Astafiev, 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 2015 . IEEE Institute of Electrical and Electronic Engineers, 1st URSI Atlantic Radio Science Conference, URSI AT-RASC 2015, Gran Canaria, Spain, 16/05/15 . https://doi.org/10.1109/URSI-AT-RASC.2015.7302820

Real-time detection and generation of single microwave photons would be important in many quantum technology applications. For single-microwave-photon sources, much of the groundwork has been done already within the framework of circuit quantum elect

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::907c4f113c8c383b1d47a94dcf218bc1
https://cris.vtt.fi/en/publications/78dfc23e-60e6-4c42-8430-ecd214db085e

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de Haas–van Alphen effect in MgB2 crystals

Autor: Sergey M. Kazakov, Setsuko Tajima, E. A. Yelland, J. R. Cooper, Luis Balicas, P. J. Meeson, Nigel E. Hussey, Stephen Lee, J. Karpinski, Antony Carrington

Publikováno v: Physica C: Superconductivity. 385:75-84

In this paper we review and expand our previous report concerning the observation of de Haas–van Alphen (dHvA) oscillations in single crystals of the high temperature superconductor MgB 2 . The analysis of these oscillations provides an important a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::080e303979d9cc759e28f18182e01fc7
https://doi.org/10.1016/s0921-4534(02)02318-3

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Metallicc-axis Transport Across Insulating Planes in PrBa2Cu4O8

Autor: P. J. Meeson, Hiroshi Ikuta, M. N. McBrien, Shigeru Horii, Nigel E. Hussey

Publikováno v: Journal of the Physical Society of Japan. 71:701-704

We report measurements of the resistivity ρ( T ) of high-quality single crystals of PrBa 2 Cu 4 O 8 along all three principal axes. Substitution of Pr for Y in YBa 2 Cu 4 O 8 completely suppresses superconductivity through localisation of the in-pla

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bc639b22824798dc931396bb704da91f
https://doi.org/10.1143/jpsj.71.701

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Measurement and Control of Single-Photon Microwave Radiation on Chip

Autor: Mikko Möttönen, Alexander B. Zorin, Sergey V. Lotkhov, P. J. Meeson, Antti Manninen, Antti Kemppinen, Masaya Kataoka, Russell E. Lake, Oleg V. Astafiev, Joonas Govenius, Yu. A. Pashkin, Jukka P. Pekola, Emanuele Enrico, Tobias Lindström, M.T. Khabipov

Publikováno v: Manninen, A, Kemppinen, A, Enrico, E, Kataoka, M, Lindstrom, T, Zorin, A B, Lotkhov, S V, Khabipov, M, Möttönen, M, Lake, R E, Govenius, J, Pekola, J P, Pashkin, Y A, Meeson, P J & Astafiev, O 2014, Measurement and Control of Single-Photon Microwave Radiation on Chip . in 29th Conference on Precision Electromagnetic Measurements (CPEM 2014) . IEEE Institute of Electrical and Electronic Engineers, CPEM Digest (Conference on Precision Electromagnetic Measurements), vol. 29, pp. 324-325, 29th Conference on Precision Electromagnetic Measurements, CPEM 2014, Rio de Janeiro, Brazil, 24/08/14 . https://doi.org/10.1109/CPEM.2014.6898390

In June 2013, we started a joint research project MICROPHOTON, 'Measurement and Control of Single-Photon Microwave Radiation on a Chip', as a part of the European Metrology Research Programme (EMRP). The objectives of the project include the developm

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::63a37ee0a4f25cb43a2414ef196acb7a
https://doi.org/10.1109/CPEM.2014.6898390

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[Untitled]

Autor: M Springford, Hiroshi Ito, G. Saito, Stephen M Hayden, P. J. Meeson

Publikováno v: Journal of Superconductivity. 12:525-528

The de Haas–van Alphen (dHvA) oscillation was observed in the superconductivity mixed state near the upper critical field Hc2 of the two-dimensional organic superconductor κ-(BEDT-TTF)2Cu(NCS)2. By analyzing an additional damping of the oscillatio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2bed08df9b370d31a3d47eeeb3faa26d
https://doi.org/10.1023/a:1007784218278

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