10 papers
Machine Learning of Quantum Entanglement from Noisy Measurements
Artur Czerwinski, Maciej WiÅniewski, PaweÅ MoszczyÅski
In this work, we investigate the application of Machine Learning (ML) algorithms to the identification and quantitative characterization of quantum entanglement in polarization-ent…
Experimental probe of quantum coherence in top-quark pair production
Saeed Haddadi, Majid Azizi, Artur Czerwinski +1
We investigate quantum coherence in top--antitop spin states produced at the LHC using the -norm of coherence applied to the reconstructed spin density matrix. Combining Stand…
Optimizing Continuous-Wave-Pumped Entanglement-based QKD in Noisy Environments
Hashir Kuniyil, Saif Al-Kuwari, Asad Ali +2
Quantum key distribution (QKD) has emerged as a promising solution to protect current cryptographic systems against the threat of quantum computers. As QKD transitions from laborat…
Revisiting superradiance dynamics from single diamond nanocrystals with a physically consistent model for fluorescence decay
Jakub J. Borkowski, Artur Czerwinski, Piotr Kolenderski
The paper by C. Bradac et al. [Nat. Commun. 8, 1205 (2017)] discusses room-temperature superradiance from NV color centers in diamonds. It presents a new model intended to reflect…
Single-photon emission modeling with statistical estimators for the exponential distribution
Artur Czerwinski, Katarzyna Czerwinska, Xiangji Cai +5
Single-photon sources are used in numerous quantum technologies, from sensing and imaging to communication, making the accurate modeling of their emissions essential. In this work,…
Quantum speed limits in dephasing dynamics of a qubit system coupled to thermal environments
Xiangji Cai, Yanyan Feng, Jing Ren +4
We theoretically study the quantum speed limits (QSLs) of a qubit system coupled to a thermal dephasing environment with an Ohmic-like spectral density. Based on the geometric QSLs…