Publications Kirchmair Lab - Superconducting quantum circuits

2026

V. Usova, P. Rembold, I. Yang, M. Rossignolo, S. Montangero, S. Tosatto, G. Kirchmair Adaptive Reconstruction of Bosonic Quantum States arXiv:2608.02049

R. Garcia-Belles, A. Anferov, L. Deeg, L. Colicchio, A. Brooks, T. Schattenburg, M. Drimmer, G. Kirchmair, Y. Chu Loss Mechanisms in High-coherence Multimode Mechanical Resonators Coupled to Superconducting Circuits PRX Quantum 7, 3313 (2026).

A. Paradakar, P. Nicaise, K. Dakroury, F. Resare, C. Dejaco, L. Deeg, G. Kirchmair, W. Wieczorek Efficient flip-chip and on-chip-based modulation of flux-tunable superconducting resonators arXiv:2512.23119

C. Schlager, R. Albert, G. Kirchmair Fabrication and characterization of vacuum-gap microstrip resonators Appl. Phys. Lett. 127, 74001 (2025).
M. Zanner, R. Albert, E. I. Rosenthal, S. Casulleras-Guardia, I. Yang, C. Schneider, O. Romero-Isart, G. Kirchmair Spatial Addressing of Qubits in a Dispersive Waveguide Phys. Rev. Applied 24, 14051 (2025).
A. Sharafiev, G. Kirchmair, M. L. Juan, M. Cattaneo Leveraging collective effects for thermometry in waveguide quantum electrodynamics Phys. Rev. Lett. 134, 213602 (2025).
N. Diaz-Naufal, L. Deeg, D. Zoepfl, C. Schneider, M. L. Juan, G. Kirchmair, A. Metelmann Kerr enhanced optomechanical cooling in the unresolved sideband regime Phys. Rev. A 111, 53505 (2025).
D. Atanasova, I. Yang, T. Hönigl-Decrinis, D. Gusenkova, I. M. Pop, G. Kirchmair In-situ tunable interaction with an invertible sign between a fluxonium and a post cavity PRX Quantum 6, 20318 (2025).
J. Yang, T. E. Agrenius Gustafsson, V. Usova, O. Romero-Isart, G. Kirchmair Hot Schrödinger Cat States Sci. Adv. 11, (2025).
L. Deeg, D. Zoepfl, N. Diaz-Naufal, M. L. Juan, A. Metelmann, G. Kirchmair Optomechanical Backaction in the Bistable Regime Phys. Rev. Applied 23, (2025).

D. Zöpfl, M. L. Juan, N. Diaz-Naufal, C. Schneider, L. Deeg, A. Sharafiev, A. Metelmann, G. Kirchmair Kerr Enhanced Backaction Cooling in Magnetomechanics PRL 130, 33601 (2023).

R. Holzinger, R. Gutierrez Jauregui, T. Hönigl-Decrinis, G. Kirchmair, A. Asenjo Garcia, Helmut Ritsch Control of Localized Single- and Many-Body Dark States in Waveguide QED Phys. Rev. Lett. 129, (2022).
T. Orell, M. Zanner, M. L. Juan, A. Sharafiev, R. Albert, S. Oleschko, G. Kirchmair, M. Silveri Collective bosonic effects in an array of transmon devices Phys. Rev. A 105, (2022).
M. Zanner, T. Orell, C. Schneider, R. Albert, S. Oleschko, M. L. Juan, M. Silveri, G. Kirchmair Coherent control of a symmetry-engineered multi-qubit dark state in waveguide quantum electrodynamics Nature Phys. 18, (2022).

P. Heidler, C. Schneider, K. Kustura, C. Gonzalez-Ballestero, O. Romero-Isart, G. Kirchmair Non-Markovian Effects of Two-Level Systems in a Niobium Coaxial Resonator with a Single-Photon Lifetime of 10 ms Phys. Rev. Applied 16, 34024 (2021).
R. Asensio-Perea, A. Parra-Rodriguez, G. Kirchmair, E. Solano, E. Rico Ortega Chiral states and nonreciprocal phases in a Josephson junction ring Phys. Rev. B 103, 224525 (2021).
A. Sharafiev, M. L. Juan, O. Gargiulo, M. Zanner, S. Wögerer, J. García-Ripoll, G. Kirchmair Visualizing the emission of a single photon with frequency and time resolved spectroscopy Quantum 5, 474 (2021).
E. I. Rosenthal, C. Schneider, M. Malnou, Z. Zhao, F. Leditzky, B. J. Chapman, W. Wustmann, X. Ma, D. A. Palken, M. Zanner, L. R. Vale, G. C. Hilton, J. Gao, G. Smith, G. Kirchmair, K. Lehnert Efficient and low-backaction quantum measurement using a chip-scale detector Phys. Rev. Lett. 126, 90503 (2021).
O. Gargiulo, S. Oleschko, J. Prat-Camps, M. Zanner, G. Kirchmair Fast flux control of 3D transmon qubits using a magnetic hose Appl. Phys. Lett. 118, (2021).

S. Wögerer Fabrication of Superconducting Quantum Bits URL
D. Atanasova Fabrication and Characterization of a Dimer Josephson Junction Array Amplifier URL

C. Schneider Magnetic coupling between superconducting circuits and a cantilever URL
O. Gargiulo Towards analog quantum simulation with superconducting 3D transmons URL

D. Zöpfl, M. L. Juan, C. Schneider, G. Kirchmair Single-Photon Cooling in Microwave Magnetomechanics PRL 125, 23601 (2020).
P. Guimond, B. Vermersch, M. L. Juan, A. Sharafiev, G. Kirchmair, P. Zoller A Unidirectional On-Chip Photonic Interface for Superconducting Circuits npj Quantum Information 6, (2020).

P. R. Muppalla Josephson junction array resonators in the Mesoscopic regime: Design, Characterization and Application URL

G. Kirchmair Designing nonlinearity Nature Phys. 16, 128 (2019).
M. Schütz, B. Vermersch, G. Kirchmair, L. Vandersypen, J. I. Cirac, M. Lukin, P. Zoller Quantum Simulation and Optimization in Hot Quantum Networks Phys. Rev. B 99, 241302 (2019).

J. Prat-Camps, P. Maurer, G. Kirchmair, O. Romero-Isart Circumventing Magnetostatic Reciprocity: A Diode for Magnetic Fields Phys. Rev. Lett. 121, 213903 (2018).
P. R. Muppalla, O. Gargiulo, S. Mirzaei, B. Venkatesh, M. L. Juan, L. Grünhaupt, I. M. Pop, G. Kirchmair Bistability in a Mesoscopic Josephson Junction Array Resonator Phys. Rev. B 97, 24518 (2018).
B. Venkatesh, M. L. Juan, O. Romero-Isart Cooperative Effects in Closely Packed Quantum Emitters with Collective Dephasing Phys. Rev. Lett. 120, 33602 (2018).

V. K. Kornev, N. V. Kolotinskiy, A. Sharafiev, I. I. Soloviev, O. A. Mukhanov From single SQUID to superconducting quantum arrays AIP LTP , 829 (2017).
D. Zöpfl, C. Schneider, P. R. Muppalla, S. Kasemann, S. Partel, G. Kirchmair Characterization of low loss microstrip resonators as a building block for circuit QED in a 3D waveguide AIP ADV 7, (2017).

N. Friis, A. Melnikov, G. Kirchmair, H. J. Briegel Coherent controlization using superconducting qubits Sci. Rep. 5, 18036 (2015).
E. T. Holland, B. Vlastakis, R. W. Heeres, M. J. Reagor, U. Vool, Z. Leghtas, L. Frunzio, G. Kirchmair, M. H. Devoret, M. Mirrahimi, R. Schoelkopf Single-photon Resolved Cross-Kerr Interaction for Autonomous Stabilization of Photon-number States Phys. Rev. Lett. 115, 180501 (2015).
G. Via, G. Kirchmair, O. Romero-Isart Strong Single-Photon Coupling in Superconducting Quantum Magnetomechanics Phys. Rev. Lett. 114, 143602 (2015).
M. Dalmonte, S. Mirzaei, P. R. Muppalla, D. Marcos, P. Zoller, G. Kirchmair Dipolar Spin Models with Arrays of Superconducting Qubits Phys. Rev. B 92, 174507 (2015).

Z. Leghtas, G. Kirchmair, B. Vlastakis, R. Schoelkopf, M. H. Devoret, M. Mirrahimi Hardware-efficient autonomous quantum memory protection Phys. Rev. Lett. 111, 120501 (2013).