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Graphical Framework for Non-Gaussian Quantum States [PDF]
QuantumWe provide a graphical method to describe and analyze non-Gaussian quantum states using a hypergraph framework. These states are pivotal resources for quantum computing, communication, and metrology, but their characterization is hindered by their ...
Lina Vandré +4 more
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Preparing magnonic non-Gaussian states by adding a single magnon onto Gaussian states
Physical Review ResearchQuantum magnonics based on yttrium iron garnet (YIG) spheres provides a new arena for observing macroscopic quantum states. Here, we propose to prepare two kinds of non-Gaussian magnonic states by adding a single magnon to two Gaussian states, namely ...
Zi-Xu Lu +3 more
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The stellar decomposition of Gaussian quantum states [PDF]
QuantumWe introduce the $\textit{stellar decomposition}$, a novel method for characterizing non-Gaussian states produced by photon-counting measurements on Gaussian states.
Arsalan Motamedi +6 more
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Non-Gaussian-state generation with time-gated photon detection
Physical Review Research, 2023 Non-Gaussian states of light, which are essential in fault-tolerant and universal optical quantum computation, are typically generated by a heralding scheme using photon detectors. Recently, it has been theoretically shown that the large timing jitter of
Tatsuki Sonoyama +11 more
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Gaussification and entanglement distillation of continuous variable systems: a unifying picture [PDF]
, 2012 Distillation of entanglement using only Gaussian operations is an important primitive in quantum communication, quantum repeater architectures, and distributed quantum computing.
Campbell, Earl T., Eisert, Jens
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Maximum entanglement of formation for a two-mode Gaussian state over passive operations [PDF]
, 2020 We quantify the maximum amount of entanglement of formation (EoF) that can be achieved by continuous-variable states under passive operations, which we refer to as EoF-potential.
Assad, Syed M. +6 more
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Analytical Science Advances, 2021 The estimation and visualization of process states are important for process control in chemical and industrial plants. Since industrial processes are related to Gaussian distributions theoretically, this study focused on Gaussian process latent variable
Hiromasa Kaneko
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Geometry of Gaussian quantum states
, 2015 We study the Hilbert-Schmidt measure on the manifold of mixed Gaussian states in multi mode continuous variable quantum systems. An analytical expression for the Hilbert-Schmidt volume element is derived. Its corresponding probability measure can be used
Link, Valentin, Strunz, Walter T.
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Non-Gaussian states from continuous-wave Gaussian light sources
, 2006 We present a general analysis of the state obtained by subjecting the output from a continuous-wave (cw) Gaussian field to non-Gaussian measurements. The generic multimode state of cw Gaussian fields is characterized by an infinite dimensional covariance
C. W. Gardiner +2 more
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The One-Mode Quantum-Limited Gaussian Attenuator and Amplifier Have Gaussian Maximizers [PDF]
, 2018 We determine the p->q norms of the Gaussian one-mode quantum-limited attenuator and amplifier and prove that they are achieved by Gaussian states, extending to noncommutative probability the seminal theorem "Gaussian kernels have only Gaussian maximizers"
De Palma, Giacomo +2 more
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