953 citations · 6.3k across the 74 of their papers we have counts for
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Transmon in a semi-infinite high-impedance transmission line -- appearance of cavity modes and Rabi oscillations
Emely Wiegand, Benjamin Rousseaux, Göran Johansson
In this letter, we investigate the dynamics of a single superconducting artificial atom capacitively coupled to a transmission line with a characteristic impedance comparable or la…
Listening to the quantum vacuum: a perspective on the dynamical Casimir effect
Gheorghe Sorin Paraoanu, Göran Johansson
Modern quantum field theory has offered us a very intriguing picture of empty space. The vacuum state is no longer an inert, motionless state. We are instead dealing with an entity…
A comparison between quantum and classical noise radar sources
Robert Jonsson, Roberto Di Candia, Martin Ankel +2
We compare the performance of a quantum radar based on two-mode squeezed states with a classical radar system based on correlated thermal noise. With a constraint of equal number o…
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…
Tripartite Genuine Non-Gaussian Entanglement in Three-Mode Spontaneous Parametric Downconversion
Andrés Agustí, C. W. Sandbo Chang, Fernando Quijandría +3
We show that the states generated by a three-mode spontaneous parametric downconversion (SPDC) interaction Hamiltonian possess tripartite entanglement of a different nature to othe…