Quantum exceptional points of non-Hermitian Hamiltonians and Liouvillians: The effects of quantum jumps
Exceptional points (EPs) correspond to degeneracies of open systems. These are attracting
much interest in optics, optoelectronics, plasmonics, and condensed matter physics. In the …
much interest in optics, optoelectronics, plasmonics, and condensed matter physics. In the …
Converting nonclassicality into entanglement
Quantum mechanics exhibits a wide range of nonclassical features, of which entanglement
in multipartite systems takes a central place. In several specific settings, it is well known that …
in multipartite systems takes a central place. In several specific settings, it is well known that …
Tunable multiphonon blockade in coupled nanomechanical resonators
A single phonon in a nonlinear nanomechanical resonator (NAMR) can block the excitation
of a second phonon [Phys. Rev. A 82, 032101 (2010) PLRAAN 1050-2947 …
of a second phonon [Phys. Rev. A 82, 032101 (2010) PLRAAN 1050-2947 …
Two-photon blockade and photon-induced tunneling generated by squeezing
A Kowalewska-Kudłaszyk, SI Abo, G Chimczak… - Physical Review A, 2019 - APS
Inspired by the recent experiment of Hamsen et al.[Phys. Rev. Lett. 118, 133604 (2017)
10.1103/PhysRevLett. 118.133604], which demonstrated two-photon blockade in a driven …
10.1103/PhysRevLett. 118.133604], which demonstrated two-photon blockade in a driven …
Tight inequalities for nonclassicality of measurement statistics
In quantum optics, measurement statistics—for example, photocounting statistics—are
considered nonclassical if they cannot be reproduced with statistical mixtures of classical …
considered nonclassical if they cannot be reproduced with statistical mixtures of classical …
Lower‐and higher‐order nonclassical properties of photon added and subtracted displaced Fock states
Nonclassical properties of photon added and subtracted displaced Fock states are studied
using various witnesses of lower‐and higher‐order nonclassicality. Compact analytic …
using various witnesses of lower‐and higher‐order nonclassicality. Compact analytic …
Nonlinearity as a resource for nonclassicality in anharmonic systems
Nonclassicality is a key ingredient for quantum enhanced technologies and experiments
involving macroscopic quantum coherence. Considering various exactly solvable quantum …
involving macroscopic quantum coherence. Considering various exactly solvable quantum …
Quantifying nonclassicality of vacuum-one-photon superpositions via potentials for Bell nonlocality, quantum steering, and entanglement
A Miranowicz, J Kadlec, K Bartkiewicz… - arXiv preprint arXiv …, 2023 - arxiv.org
Entanglement potentials are popular measures of the nonclassicality of single-mode optical
fields. These potentials are defined by the amount of entanglement (measured by, eg, the …
fields. These potentials are defined by the amount of entanglement (measured by, eg, the …
Experimental hierarchy and optimal robustness of quantum correlations of two-qubit states with controllable white noise
K Jiráková, A Černoch, K Lemr, K Bartkiewicz… - Physical Review A, 2021 - APS
We demonstrate a hierarchy of various classes of quantum correlations on experimentally
prepared two-qubit Werner-like states with controllable white noise. Werner states, which …
prepared two-qubit Werner-like states with controllable white noise. Werner states, which …
Simulating quantum dynamical phenomena using classical oscillators: Landau-Zener-Stückelberg-Majorana interferometry, latching modulation, and motional …
A quantum system can be driven by either sinusoidal, rectangular, or noisy signals. In the
literature, these regimes are referred to as Landau-Zener-Stückelberg-Majorana (LZSM) …
literature, these regimes are referred to as Landau-Zener-Stückelberg-Majorana (LZSM) …