3 papers
quant-ph2026
Recurrence in discrete-time quantum stochastic walks
Martin Stefanak, Vaclav Potocek, Iskender Yalcinkaya +2
Interplay between quantum interference and classical randomness can enhance performance of various quantum information tasks. In the present paper we analyze recurrence phenomena i…
quant-ph2025
Input phase noise in Gaussian Boson sampling
Magdalena Parýzková, Magdalena Parýzková, Craig S. Hamilton +3
Gaussian boson sampling is an important protocol for testing the performance of photonic quantum simulators. As such, various noise sources have been investigated that degrade the…
quant-ph2025
Quantum metrology in a nonlinear-interferometer with feedback
Shivani Singh, Craig S. Hamilton, Igor Jex
In this paper, we propose a nonlinear interferometer with feedback loops and explore its efficiency for phase estimation. We analyse two feedback schemes, one where both modes of t…