Quantum nondemolition measurements with optical parametric amplifiers for ultrafast universal quantum information processing
Realization of a room-temperature ultrafast photon-number-resolving quantum
nondemolition (QND) measurement would have significant implications for photonic …
nondemolition (QND) measurement would have significant implications for photonic …
Biasing the quantum vacuum to control macroscopic probability distributions
Quantum field theory suggests that electromagnetic fields naturally fluctuate, and these
fluctuations can be harnessed as a source of perfect randomness. Many potential …
fluctuations can be harnessed as a source of perfect randomness. Many potential …
Simulating Gaussian boson sampling quantum computers
A growing cohort of experimental linear photonic networks implementing Gaussian boson
sampling (GBS) have now claimed quantum advantage. However, many open questions …
sampling (GBS) have now claimed quantum advantage. However, many open questions …
Quantum annealing using vacuum states as effective excited states of driven systems
Quantum annealing, which is particularly useful for combinatorial optimization, becomes
more powerful by using excited states, in addition to ground states. However, such excited …
more powerful by using excited states, in addition to ground states. However, such excited …
Mesoscopic and macroscopic quantum correlations in photonic, atomic and optomechanical systems
This paper reviews the progress that has been made in our knowledge of quantum
correlations at the mesoscopic and macroscopic level. We begin by summarizing the …
correlations at the mesoscopic and macroscopic level. We begin by summarizing the …
Alternative Einstein-Podolsky-Rosen argument based on premises not falsified by Bell's theorem: weak macroscopic realism and weak local realism
J Fulton, RY Teh, MD Reid - Physical Review A, 2024 - APS
The Einstein-Podolsky-Rosen (EPR) paradox gives an argument for the incompleteness of
quantum mechanics based on a plausible criterion for reality, as well as the assumption of …
quantum mechanics based on a plausible criterion for reality, as well as the assumption of …
Quasi-probability information in a coupled two-qubit system interacting non-linearly with a coherent cavity under intrinsic decoherence
ABA Mohamed, H Eleuch - Scientific Reports, 2020 - nature.com
We explore the phase space quantum effects, quantum coherence and non-classicality, for
two coupled identical qubits with intrinsic decoherence. The two qubits are in a nonlinear …
two coupled identical qubits with intrinsic decoherence. The two qubits are in a nonlinear …
Coherent ising machine with quantum feedback: The total and conditional master equation methods
S Kiesewetter, PD Drummond - Physical Review A, 2022 - APS
We give a detailed theoretical derivation of the master equation for the coherent Ising
machine. This is a quantum computational network with feedback, that approximately solves …
machine. This is a quantum computational network with feedback, that approximately solves …
Fast elementary gates for universal quantum computation with Kerr parametric oscillator qubits
Kerr parametric oscillators (KPOs) can stabilize the superpositions of coherent states, which
can be utilized as qubits, and are promising candidates for realizing hardware-efficient …
can be utilized as qubits, and are promising candidates for realizing hardware-efficient …
Generating and detecting entangled cat states in dissipatively coupled degenerate optical parametric oscillators
Non-Gaussian continuous-variable states play a central role both in the foundations of
quantum theory and for emergent quantum technologies. In particular,“cat states,” ie, two …
quantum theory and for emergent quantum technologies. In particular,“cat states,” ie, two …