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Czechoslovak Journal of Physics

Quantum statistical properties of higher-order non-linear optical processes

Vlasta Peřinová, Jan Peřina, L. Knesel

Published May 1, 1977• 4 citations
Publisher
DOI
10.1007/bf01587127

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In seven wave mixing non-linear optical process having pump photons of dissimilar frequencies, higher order non classical properties were studied. It is shown that as we go into the higher order of the field amplitude and with an increase in the number of photons existing in the system before non-linear medium interaction, nonclassicality increases. In addition, we have also obtained higher order antibunching of photons that can be used as a criterion to obtain a single source of photons, which is the primary prerequisite for the quantum information processing.
We have examined non classical effect i.e. higher order single mode antibunching and intermodel antibunching and higher order sub-poissonian photon statistics (HOSPS) in fifth harmonic generation non linear optical process using short time interaction technique.We have found that nonclassical effects directly depend on number of photons prior to interaction with non linear medium.The higher the number of photons present prior to an interaction, the higher will be the nonclassicality in the system.It is additionally found that stoke mode doesn't fulfill the condition of single mode antibunching and HOSPS in fifth harmonic generation process.To examine the optical nonlinearity of nanoparticles, there are significant research efforts concerning the estimation of higher order nonlinear susceptibility which can be utilized as a source for the generation of higher order harmonic generation nonlinear optical processes [19].