110 citations · 473 across the 9 of their papers we have counts for
9 papers
Measurement based estimator scheme for continuous quantum error correction
Sangkha Borah, Bijita Sarma, Michael Kewming +3
Canonical discrete quantum error correction (DQEC) schemes use projective von Neumann measurements on stabilizers to discretize the error syndromes into a finite set, and fast unit…
Propagating Wigner-Negative States Generated from the Steady-State Emission of a Superconducting Qubit
Yong Lu, Ingrid Strandberg, Fernando Quijandría +3
We experimentally demonstrate the steady-state generation of propagating Wigner-negative states from a continuously driven superconducting qubit. We reconstruct the Wigner function…
Universal Gate Set for Continuous-Variable Quantum Computation with Microwave Circuits
Timo Hillmann, Fernando Quijandría, Göran Johansson +3
We provide an explicit construction of a universal gate set for continuous-variable quantum computation with microwave circuits. Such a universal set has been first proposed in qua…
Steady-state generation of Wigner negative states in 1D resonance fluorescence
Fernando Quijandría, Ingrid Strandberg, Göran Johansson
In this work we demonstrate numerically that the nonlinearity provided by a continuously driven two-level system (TLS) allows for the generation of Wigner-negative states of the el…
-symmetric circuit-QED
Fernando Quijandría, Uta Naether, Sahin K. Özdemir +2
The Hermiticity axiom of quantum mechanics guarantees that the energy spectrum is real and the time evolution is unitary (probability-preserving). Nevertheless, non-Hermitian but $…
Ultrastrong coupling in two-resonator circuit QED
A. Baust, E. Hoffmann, M. Haeberlein +17
We report on ultrastrong coupling between a superconducting flux qubit and a resonant mode of a system comprised of two superconducting coplanar stripline resonators coupled galvan…
Tunable and Switchable Coupling Between Two Superconducting Resonators
A. Baust, E. Hoffmann, M. Haeberlein +16
We realize a device allowing for tunable and switchable coupling between two superconducting resonators mediated by an artificial atom. For the latter, we utilize a persistent curr…
Circuit QED bright source for chiral entangled light based on dissipation
Fernando Quijandría, Diego Porras, Juan José García-Ripoll +1
Based on a circuit QED qubit-cavity array a source of two-mode entangled microwave radiation is designed. Our scheme is rooted in the combination of external driving, collective ph…
Co-evolutionnary network approach to cultural dynamics controlled by intolerance
Carlos Gracia-Lázaro, Fernando Quijandría, Laura Hernández +2
Starting from Axelrod's model of cultural dissemination, we introduce a rewiring probability, enabling agents to cut the links with their unfriendly neighbors if their cultural sim…