[HTML][HTML] Recent advances in Wigner function approaches
J Weinbub, DK Ferry - Applied Physics Reviews, 2018 - pubs.aip.org
The Wigner function was formulated in 1932 by Eugene Paul Wigner, at a time when
quantum mechanics was in its infancy. In doing so, he brought phase space representations …
quantum mechanics was in its infancy. In doing so, he brought phase space representations …
Observation of pairwise level degeneracies and the quantum regime of the Arrhenius law in a double-well parametric oscillator
By applying a microwave drive to a specially designed Josephson circuit, we have realized
a double-well model system: a Kerr oscillator submitted to a squeezing force. We have …
a double-well model system: a Kerr oscillator submitted to a squeezing force. We have …
Spectral theory of Liouvillians for dissipative phase transitions
A state of an open quantum system is described by a density matrix, whose dynamics is
governed by a Liouvillian superoperator. Within a general framework, we explore …
governed by a Liouvillian superoperator. Within a general framework, we explore …
Engineering the quantum states of light in a Kerr-nonlinear resonator by two-photon driving
Photonic cat states stored in high-Q resonators show great promise for hardware efficient
universal quantum computing. We propose an approach to efficiently prepare such cat …
universal quantum computing. We propose an approach to efficiently prepare such cat …
Quantum error correction using squeezed Schrödinger cat states
Bosonic quantum codes redundantly encode quantum information in the states of a quantum
harmonic oscillator, making it possible to detect and correct errors. Schrödinger cat codes …
harmonic oscillator, making it possible to detect and correct errors. Schrödinger cat codes …
Symmetry breaking and error correction in open quantum systems
Symmetry-breaking transitions are a well-understood phenomenon of closed quantum
systems in quantum optics, condensed matter, and high energy physics. However, symmetry …
systems in quantum optics, condensed matter, and high energy physics. However, symmetry …
A quantum battery with quadratic driving
Quantum batteries are energy storage devices built using quantum mechanical objects,
which are developed with the aim of outperforming their classical counterparts. Proposing …
which are developed with the aim of outperforming their classical counterparts. Proposing …
Exact steady state of a Kerr resonator with one-and two-photon driving and dissipation: Controllable Wigner-function multimodality and dissipative phase transitions
We present exact results for the steady-state density matrix of a general class of driven-
dissipative systems consisting of a nonlinear Kerr resonator in the presence of both coherent …
dissipative systems consisting of a nonlinear Kerr resonator in the presence of both coherent …
Critical parametric quantum sensing
Critical quantum systems are a promising resource for quantum metrology applications, due
to the diverging susceptibility developed in proximity of phase transitions. Here, we assess …
to the diverging susceptibility developed in proximity of phase transitions. Here, we assess …
Quantum critical regime in a quadratically driven nonlinear photonic lattice
We study an array of coupled optical cavities in the presence of two-photon driving and
dissipation. The system displays a critical behavior similar to that of a quantum Ising model …
dissipation. The system displays a critical behavior similar to that of a quantum Ising model …