Publications Group Pop


2022
Operating in a deep underground facility improves the locking of gradiometric fluxonium qubits at the sweet spots
Gusenkova, D.; Valenti, F.; Spiecker, M.; Günzler, S.; Paluch, P.; Rieger, D.; Pioraş-Ţimbolmaş, L.-M.; Zârbo, L. P.; Casali, N.; Colantoni, I.; Cruciani, A.; Pirro, S.; Cardani, L.; Petrescu, A.; Wernsdorfer, W.; Winkel, P.; Pop, I. M.
2022. Applied Physics Letters, 120 (5), Art.-Nr.: 054001. doi:10.1063/5.0075909
2021
Minimizing the Discrimination Time for Quantum States of an Artificial Atom
Takmakov, I.; Winkel, P.; Foroughi, F.; Planat, L.; Gusenkova, D.; Spiecker, M.; Rieger, D.; Grünhaupt, L.; Ustinov, A. V.; Wernsdorfer, W.; Pop, I. M.; Roch, N.
2021. Physical review applied, 15 (6), Art. Nr.: 064029. doi:10.1103/PhysRevApplied.15.064029
Quantum Nondemolition Dispersive Readout of a Superconducting Artificial Atom Using Large Photon Numbers
Gusenkova, D.; Spiecker, M.; Gebauer, R.; Willsch, M.; Willsch, D.; Valenti, F.; Karcher, N.; Grünhaupt, L.; Takmakov, I.; Winkel, P.; Rieger, D.; Ustinov, A. V.; Roch, N.; Wernsdorfer, W.; Michielsen, K.; Sander, O.; Pop, I. M.
2021. Physical review applied, 15 (6), Art. Nr.: 064030. doi:10.1103/PhysRevApplied.15.064030
Reducing the impact of radioactivity on quantum circuits in a deep-underground facility
Cardani, L.; Valenti, F.; Casali, N.; Catelani, G.; Charpentier, T.; Clemenza, M.; Colantoni, I.; Cruciani, A.; D’Imperio, G.; Gironi, L.; Grünhaupt, L.; Gusenkova, D.; Henriques, F.; Lagoin, M.; Martinez, M.; Pettinari, G.; Rusconi, C.; Sander, O.; Tomei, C.; Ustinov, A. V.; Weber, M.; Wernsdorfer, W.; Vignati, M.; Pirro, S.; Pop, I. M.
2021. Nature Communications, 12 (1), Art.-Nr.: 2733. doi:10.1038/s41467-021-23032-zFull textFull text of the publication as PDF document
Subgap Kinetic Inductance Detector Sensitive to 85-GHz Radiation
Levy-Bertrand, F.; Benoît, A.; Bourrion, O.; Calvo, M.; Catalano, A.; Goupy, J.; Valenti, F.; Maleeva, N.; Grünhaupt, L.; Pop, I. M.; Monfardini, A.
2021. Physical Review Applied, 15 (4), Art.-Nr.: 044002. doi:10.1103/PhysRevApplied.15.044002
2020
Superconducting granular aluminum resonators resilient to magnetic fields up to 1 Tesla
Borisov, K.; Rieger, D.; Winkel, P.; Henriques, F.; Valenti, F.; Ionita, A.; Wessbecher, M.; Spiecker, M.; Gusenkova, D.; Pop, I. M.; Wernsdorfer, W.
2020. Applied physics letters, 117 (12), Art.-Nr.: 120502. doi:10.1063/5.0018012
Quantum Versus Classical Switching Dynamics of Driven Dissipative Kerr Resonators
Andersen, C. K.; Kamal, A.; Masluk, N. A.; Pop, I. M.; Blais, A.; Devoret, M. H.
2020. Physical review applied, 13 (4), Art. Nr.: 044017. doi:10.1103/PhysRevApplied.13.044017
Microscopic charging and in-gap states in superconducting granular aluminum
Yang, F.; Gozlinski, T.; Storbeck, T.; Grünhaupt, L.; Pop, I. M.; Wulfhekel, W.
2020. Physical review / B, 102 (10), Art.-Nr. 104502. doi:10.1103/PhysRevB.102.104502
Implementation of a Transmon Qubit Using Superconducting Granular Aluminum
Winkel, P.; Borisov, K.; Grünhaupt, L.; Rieger, D.; Spiecker, M.; Valenti, F.; Ustinov, A. V.; Wernsdorfer, W.; Pop, I. M.
2020. Physical review / X, 10 (3), Art.Nr. 031032. doi:10.1103/PhysRevX.10.031032Full textFull text of the publication as PDF document
Nondegenerate Parametric Amplifiers Based on Dispersion-Engineered Josephson-Junction Arrays
Winkel, P.; Takmakov, I.; Rieger, D.; Planat, L.; Hasch-Guichard, W.; Grünhaupt, L.; Maleeva, N.; Foroughi, F.; Henriques, F.; Borisov, K.; Ferrero, J.; Ustinov, A. V.; Wernsdorfer, W.; Roch, N.; Pop, I. M.
2020. Physical review applied, 13 (2), Art. Nr.: 024015. doi:10.1103/PhysRevApplied.13.024015
DEMETRA: Suppression of the Relaxation Induced by Radioactivity in Superconducting Qubits
Cardani, L.; Casali, N.; Catelani, G.; Charpentier, T.; Clemenza, M.; Colantoni, I.; Cruciani, A.; Gironi, L.; Gruenhaupt, L.; Gusenkova, D.; Henriques, F.; Lagoin, M.; Martinez, M.; Pirro, S.; Pop, I. M.; Rusconi, C.; Ustinov, A.; Valenti, F.; Vignati, M.; Wernsdorfer, W.
2020. Journal of low temperature physics, 199, 475–481. doi:10.1007/s10909-019-02265-9
2019
Onset of phase diffusion in high kinetic inductance granular aluminum micro-SQUIDs
Friedrich, F.; Winkel, P.; Borisov, K.; Seeger, H.; Sürgers, C.; Pop, I. M.; Wernsdorfer, W.
2019. Superconductor science and technology, 32 (12), 125008. doi:10.1088/1361-6668/ab4918Full textFull text of the publication as PDF document
Granular aluminium as a superconducting material for high-impedance quantum circuits
Grünhaupt, L.; Spiecker, M.; Gusenkova, D.; Maleeva, N.; Skacel, S. T.; Takmakov, I.; Valenti, F.; Winkel, P.; Rotzinger, H.; Wernsdorfer, W.; Ustinov, A. V.; Pop, I. M.
2019. Nature materials, 18 (8), 816–819. doi:10.1038/s41563-019-0350-3
Phonon traps reduce the quasiparticle density in superconducting circuits
Henriques, F.; Valenti, F.; Charpentier, T.; Lagoin, M.; Gouriou, C.; Martínez, M.; Cardani, L.; Vignati, M.; Grünhaupt, L.; Gusenkova, D.; Ferrero, J.; Skacel, S. T.; Wernsdorfer, W.; Ustinov, A. V.; Catelani, G.; Sander, O.; Pop, I. M.
2019. Applied physics letters, 115 (21), Art.-Nr.: 212601. doi:10.1063/1.5124967
Electrodynamics of granular aluminum from superconductor to insulator: Observation of collective superconducting modes
Levy-Bertrand, F.; Klein, T.; Grenet, T.; Dupré, O.; Benoît, A.; Bideaud, A.; Bourrion, O.; Calvo, M.; Catalano, A.; Gomez, A.; Goupy, J.; Grünhaupt, L.; Luepke, U. v.; Maleeva, N.; Valenti, F.; Pop, I. M.; Monfardini, A.
2019. Physical review / B, 99 (9), Art. Nr.: 094506. doi:10.1103/PhysRevB.99.094506
Interplay between Kinetic Inductance, Nonlinearity, and Quasiparticle Dynamics in Granular Aluminum Microwave Kinetic Inductance Detectors
Valenti, F.; Henriques, F.; Catelani, G.; Maleeva, N.; Grünhaupt, L.; Von Lüpke, U.; Skacel, S. T.; Winkel, P.; Bilmes, A.; Ustinov, A. V.; Goupy, J.; Calvo, M.; Benoît, A.; Levy-Bertrand, F.; Monfardini, A.; Pop, I. M.
2019. Physical review applied, 11 (5), 054087. doi:10.1103/PhysRevApplied.11.054087
2018
Circuit quantum electrodynamics of granular aluminum resonators
Maleeva, N.; Grünhaupt, L.; Klein, T.; Levy-Bertrand, F.; Dupre, O.; Calvo, M.; Valenti, F.; Winkel, P.; Friedrich, F.; Wernsdorfer, W.; Ustinov, A. V.; Rotzinger, H.; Monfardini, A.; Fistul, M. V.; Pop, I. M.
2018. Nature Communications, 9, Article: 3889. doi:10.1038/s41467-018-06386-9Full textFull text of the publication as PDF document
Tunable ohmic environment using Josephson junction chains
Rastelli, G.; Pop, I. M.
2018. Physical review / B, 97 (20), Art.-Nr.: 205429. doi:10.1103/PhysRevB.97.205429
Simultaneous Monitoring of Fluxonium Qubits in a Waveguide
Kou, A.; Smith, W. C.; Vool, U.; Pop, I. M.; Sliwa, K. M.; Hatridge, M.; Frunzio, L.; Devoret, M. H.
2018. Physical review applied, 9 (6), Art.-Nr. 064022–1. doi:10.1103/PhysRevApplied.9.064022
Fluxon-based quantum simulation in circuit QED
Petrescu, A.; Türeci, H. E.; Ustinov, A. V.; Pop, I. M.
2018. Physical review / B, 98 (17), Art.Nr. 174505. doi:10.1103/PhysRevB.98.174505
Loss Mechanisms and Quasiparticle Dynamics in Superconducting Microwave Resonators Made of Thin-Film Granular Aluminum
Grünhaupt, L.; Maleeva, N.; Skacel, S. T.; Calvo, M.; Levy-Bertrand, F.; Ustinov, A. V.; Rotzinger, H.; Monfardini, A.; Catelani, G.; Pop, I. M.
2018. Physical review letters, 121 (11), 117001. doi:10.1103/PhysRevLett.121.117001
Driving Forbidden Transitions in the Fluxonium Artificial Atom
Vool, U.; Kou, A.; Smith, W. C.; Frattini, N. E.; Serniak, K.; Reinhold, P.; Pop, I. M.; Shankar, S.; Frunzio, L.; Girvin, S. M.; Devoret, M. H.
2018. Physical review applied, 9 (5), 054046. doi:10.1103/PhysRevApplied.9.054046
Bistability in a mesoscopic Josephson junction array resonator
Muppalla, P. R.; Gargiulo, O.; Mirzaei, S. I.; Venkatesh, B. P.; Juan, M. L.; Grünhaupt, L.; Pop, I. M.; Kirchmair, G.
2018. Physical review / B, 97 (2), Art.Nr. 024518. doi:10.1103/PhysRevB.97.024518
2017
Inductively shunted transmon qubit with tunable transverse and longitudinal coupling
Richer, S.; Maleeva, N.; Skacel, S. T.; Pop, I. M.; DiVincenzo, D.
2017. Physical review / B, 96 (17), Art.Nr. 174520. doi:10.1103/PhysRevB.96.174520
An argon ion beam milling process for native AlOₓ layers enabling coherent superconducting contacts
Grünhaupt, L.; Lüpke, U. von; Gusenkova, D.; Skacel, S. T.; Maleeva, N.; Schlör, S.; Bilmes, A.; Rotzinger, H.; Ustinov, A. V.; Weides, M.; Pop, I. M.
2017. Applied physics letters, 111 (7), Art. Nr. 072601. doi:10.1063/1.4990491
2016
Quantization of inductively shunted superconducting circuits
Smith, W. C.; Kou, A.; Vool, U.; Pop, I. M.; Frunzio, L.; Schoelkopf, R. J.; Devoret, M. H.
2016. Physical review / B, 94 (14), 144507. doi:10.1103/PhysRevB.94.144507
Planar Multilayer Circuit Quantum Electrodynamics
Minev, Z. K.; Serniak, K.; Pop, I. M.; Leghtas, Z.; Sliwa, K. M.; Hatridge, M. J.; Frunzio, L.; Schoelkopf, R. J.; Devoret, M. H.
2016. Physical Review Applied, 5 (4), 044021. doi:10.1103/PhysRevApplied.5.044021