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Nanosystems: Phys. Chem. Math., 2022, 13 (1), 71–77

Pump photons present in a non-linear process as a witnesses of non-classicality of a system

Priyanka – University Institute of Engineering and Technology, Kurukshetra University Kurukshetra, 136119, India; Chauhan7101@gmail.com
Savita Gillb – University Institute of Engineering and Technology, Kurukshetra University Kurukshetra, 136119, India; Savita2015@kuk.ac.in

Corresponding author: Savita Gill, Savita2015@kuk.ac.in

DOI 10.17586/2220-8054-2022-13-1-71-77

ABSTRACT We have studied non-classical effects, i.e. higher order photon antibunching (HOA) and higher order sub-Poissonian photon number statistics (HOSPS) in various non-linear optical processes like second harmonic generation, fourth harmonic generation, coherent anti-Stokes Raman scattering (CARS) and coherent anti-Stokes hyper-Raman scattering (CAHRS) using short time interaction techniques. The non-classical effects directly depend on number of photons prior to interaction with non-linear medium has already been studied but we have found that non-linear processes involving equal number of pump photons have same higher order photo antibunching (HOA) and higher order sub-Poissonian photon number statistics (HOSPS) independent of the non-linear process involved.

KEYWORDS Higher order sub-Poissonian photon number statistics, higher order photon antibunching, optical processes.

FOR CITATION Priyanka, Savita Gill Pump photons present in a non-linear process as a witnesses of non-classicality of a system. Nanosystems: Phys. Chem. Math., 2022, 13 (1), 71–77.

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