Auxiliary-free replica shadow estimation

Q Liu, Z Li, X Yuan, H Zhu, Y Zhou - arxiv preprint arxiv:2407.20865, 2024 - arxiv.org
Efficiently measuring nonlinear properties, like the entanglement spectrum, is a significant
yet challenging task from quantum information processing to many-body physics. Current …

Swap Test-based characterization of decoherence in universal quantum computers

P Ripper, G Amaral, G Temporão - Quantum Information Processing, 2023 - Springer
Unreliable quantum processes stemming from noisy operations and interactions with the
environment represent one of the greatest challenges to be overcome in the development of …

Equivalent noise properties of scalable continuous-variable cluster states

BW Walshe, RN Alexander, T Matsuura, BQ Baragiola… - Physical Review A, 2023 - APS
Optical continuous-variable cluster states (CVCSs) in combination with Gottesman-Kitaev-
Preskill (GKP) qubits enable fault-tolerant quantum computation so long as these resources …

Variational quantum multidimensional scaling algorithm

X Zhang, F Zhang, Y Guo, F Chen - Quantum Information Processing, 2024 - Springer
Quantum multidimensional scaling is a quantum dimensionality reduction algorithm. Its
complex quantum circuit design structure and excessive qubits consumption make it difficult …

Efficient detection of non-classicality of continuous variable states using moments of Wigner function

B Mallick, S Chakrabarty, S Mukherjee… - arxiv preprint arxiv …, 2024 - arxiv.org
States with negative Wigner function, a significant subclass of non-classical states, serve as
a valuable resource for various quantum information processing tasks. Here, we provide a …

Learning linear optical circuits with coherent states

TJ Volkoff, AT Sornborger - arxiv preprint arxiv:2304.00107, 2023 - arxiv.org
We analyze the energy and training data requirements for supervised learning of an $ M $-
mode linear optical circuit by minimizing an empirical risk defined solely from the action of …

Correlated photon sources for quantum silicon photonics

M Sanna - 2024 - tesidottorato.depositolegale.it
In the rapidly advancing field of quantum technologies, integrated quantum photonics
merges quantum mechanics with photonics, promising breakthroughs in communication …

Strategies for Variational Quantum Compiling of a Zero-Phase Beam Splitter on the Xanadu X8 Processor

TJ Volkoff - Journal of Russian Laser Research, 2022 - Springer
In the context of variational compiling of a continuous-variable (CV) unitary operation, the
architecture and parameter space of the Xanadu X8 processor constrain both the set of …