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

K. G. Katamadze, G. V. Avosopiants, N. A. Bogdanova, Yu. I. Bogdanov, and S. P. Kulik

Phys. Rev. A 101, 013811 – Published 13 January 2020

Abstract

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 are strongly dependent on the mode number selected by the detection scheme. The same changes can be caused by photon subtraction. Therefore, we describe the general case of the multimode thermal state after a multiphoton subtraction, when the photon-number statistics is registered by the detector selecting a part of the initial modes. We present an analytical form of the obtained photon-number distribution and its general properties and check them in the experiment.

Received 24 June 2019

DOI:https://doi.org/10.1103/PhysRevA.101.013811

Physics Subject Headings (PhySH)

Photon statistics Quantum optics Quantum state engineering Quantum states of light

Atomic, Molecular & Optical

Authors & Affiliations

K. G. Katamadze^1,2,3,*, G. V. Avosopiants^1,4, N. A. Bogdanova^2,4, Yu. I. Bogdanov^2,3,4, and S. P. Kulik¹

¹Quantum Technology Centre, Faculty of Physics, M. V. Lomonosov Moscow State University, 119991, Moscow, Russia
²Valiev Institute of Physics and Technology, Russian Academy of Sciences, 117218, Moscow, Russia
³National Research Nuclear University MEPhI, 115409, Moscow, Russia
⁴National Research University of Electronic Technology MIET, 124498, Moscow, Russia

^*kgk@quantum.msu.ru

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Vol. 101, Iss. 1 — January 2020

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