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20242026
most citedResource-efficient universal photonic processor based on time-multiplexed hybrid architectures

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quant-ph2025

Limitations of Entangled Two-Photon Absorption detection

René Pollmann, Franz Roeder, Christine Silberhorn +1

We introduce a method for determining the sensitivity of any given Entangled Two-Photon Absorption (ETPA) measurement. By modeling all signal and noise contributions to the measure…

quant-ph2025

Two Photon Tripartite Entanglement Transfer via Time-Multiplexed Quantum Walks

Jonas Lammers, Federico Pegoraro, Philip Held +3

Photonic multidimensional quantum networks (MDQN), where individual subsystems are encoded using multiple degrees of freedom and photons, are an emerging platform for quantum algor…

quant-ph2025

Spectro-temporally tailored Non-Gaussian Quantum Operations in Thin-Film Waveguides

Peter Namdar, Patrick Folge, Carlos E. Lopetegui +4

Advancements in photonic platforms have enabled the precise control of light's spectral and temporal degrees of freedom, a capability crucial for the development of scalable quantu…

quant-ph2025

Complementarity-based complementarity: the choice of mutually unbiased observables shapes quantum uncertainty relations

Laura Serino, Giovanni Chesi, Benjamin Brecht +3

Quantum uncertainty relations impose fundamental limits on the joint knowledge that can be acquired from complementary observables: perfect knowledge of a quantum state in one basi…

quant-ph2025

Practical considerations for assignment of photon numbers with SNSPDs

Timon Schapeler, Isabell Mischke, Fabian Schlue +4

Superconducting nanowire single-photon detectors (SNSPDs) can enable photon-number resolution (PNR) based on accurate measurements of the detector's response time to few-photon opt…

quant-ph2025

Erasing Photon-Number Correlations through Hong-Ou-Mandel Interference

Fabian Schlue, Patrick Folge, Takefumi Nomura +6

A parametric down-conversion source interfering on a beam splitter can be described as both a source of entangled N00N-states or a source of independent, and thus uncorrelated sque…