G V Avosopiants, K G Katamadze, N A Borshchevskaia, Yu I Bogdanov, S P Kulik
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Quantum tomography of a photon-number-resolving detector based on continuous time multiplexing: memory effect
We address the characterization of a photon-number-resolving detector based on continuous time multiplexing. We develop and verify a mathematical model of this detector and explore various approaches to its quantum tomography. Additionally, we encounter a memory effect and discuss the feasibility of describing this type of detector using a transfer matrix or positive operator-valued measure (POVM) decomposition.
期刊介绍：
Laser Physics Letters encompasses all aspects of laser physics sciences including, inter alia, spectroscopy, quantum electronics, quantum optics, quantum electrodynamics, nonlinear optics, atom optics, quantum computation, quantum information processing and storage, fiber optics and their applications in chemistry, biology, engineering and medicine.
The full list of subject areas covered is as follows:
-physics of lasers-
fibre optics and fibre lasers-
quantum optics and quantum information science-
ultrafast optics and strong-field physics-
nonlinear optics-
physics of cold trapped atoms-
laser methods in chemistry, biology, medicine and ecology-
laser spectroscopy-
novel laser materials and lasers-
optics of nanomaterials-
interaction of laser radiation with matter-
laser interaction with solids-
photonics
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