Multiphoton subtracted thermal states: Description, preparation, and reconstruction

YI Bogdanov, KG Katamadze, GV Avosopiants… - Physical Review A, 2017 - APS
We present a study of optical quantum states generated by subtraction of photons from the
thermal state. Some aspects of their photon number and quadrature distributions are …

Multimode thermal states with multiphoton subtraction: Study of the photon-number distribution in the selected subsystem

KG Katamadze, GV Avosopiants, NA Bogdanova… - Physical Review A, 2020 - APS
Thermal states of light are widely used in quantum optics due to their correlation properties.
As is well known, their correlation properties and the photon-number distribution as a whole …

Non-Gaussianity of multiple photon-subtracted thermal states in terms of compound-Poisson photon number distribution parameters: theory and experiment

GV Avosopiants, KG Katamadze… - Laser Physics …, 2018 - iopscience.iop.org
The multiphoton-subtracted thermal states are an interesting example of quantum states of
light which are both classical and non-Gaussian. All the properties of such states can be …

Inverse problem of photocount statistics: Applicability criterion for the inverse Bernoulli transform method

PP Gostev, SA Magnitskiy, AS Chirkin - Physical Review A, 2023 - APS
It is shown that the applicability conditions for the inverse Bernoulli transform method to
solve the inverse problem of photocount statistics are determined by the fulfillment of the …

High-fidelity tomography of fluorescent ion qubits under conditions of limited discrimination between bright and dark levels

YI Bogdanov, BI Bantysh… - … on Micro-and Nano …, 2022 - spiedigitallibrary.org
The present work is devoted to the development of a method for high-precision tomography
of ion qubit registers under conditions of limited distinguishability of the states of a logical …

Noiselessly amplified thermal states and after multi-photon addition or subtraction

X Zhan, X Xu - Canadian Journal of Physics, 2024 - cdnsciencepub.com
In this paper, we study the combined effects of the ideal amplification operator (gn ̂) and m-
photon added operator a ̂† m (or m-photon subtracted operator a ̂ m) on the thermal state …

Correction of Quantum State Readout Statistics Using the Fuzzy Measurements Model

IA Dmitriev, YI Bogdanov, BI Bantysh… - Russian …, 2023 - Springer
Quantum measurements play a crucial role in the field of quantum computing and quantum
information processing. However, these measurements are susceptible to errors, which can …

Statistical models and adequacy validation for optical quantum state tomography with quadrature measurements

YI Bogdanov, NA Bogdanova, LV Belinsky… - Russian …, 2017 - Springer
Mutually complementary quadrature quantum measurements are analyzed and a new
method to formulate statistical models of quantum states is proposed. The method is based …

Study of higher order correlation functions and photon statistics using multiphoton-subtracted states and quadrature measurements

YI Bogdanov, KG Katamadze… - … on Micro-and Nano …, 2016 - spiedigitallibrary.org
The estimation of high order correlation function values is an important problem in the field
of quantum computation. We show that the problem can be reduced to preparation and …

Existence Criterion of Solutions to the Inverse Problem of Photocount Statistics Obtained by the Inverse Bernoulli Transform

PP Gostev, SA Magnitskiy, AS Chirkin - arXiv preprint arXiv:2110.04918, 2021 - arxiv.org
It is shown that the applicability conditions for the inverse Bernoulli transform method for
solving the inverse problem of photocount statistics are determined by the fulfillment of the …