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Zhongguo kexue. Wulixue Lixue Tianwenxue

Statistical properties of single molecule photon emission under pump-probe fields

Han Bai

Published Jan 1, 2013• 0 citations
OpenAlex

Abstract

The statistical properties of fluorescence photon emission of single molecule modeled by two-level system (TLS) under pump-probe fields were investigated by employing the generating function method developed recently. We study the impact of pump-probe fields on some single molecule statistical properties, such as, the line shapes, Mandel Q parameters and probalities of photon emission. Our theoretical result about average emission photon numbers and experimental result are in good agreement.

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The statistical properties of fluorescence photon emission of single molecule modeled by two-level system (TLS) under pump-probe fields were investigated by employing the generating function method developed recently. We study the impact of pump-probe fields on some single molecule statistical properties, such as, the line shapes, Mandel Q parameters and probalities of photon emission. Our theoretical result about average emission photon numbers and experimental result are in good agreement.
In this paper, we summarize the photon emission statistical properties of single molecule system, using the recently developed generating function method. Through the introduce of one or double “auxiliary” variables, we can investigate the first moment and second moment of photon emission statistics driven by different external fields, such as the line shapes and Mandel's Q parameters, the photon emission probabilities, the probability distribution of time between successive emission, the waiting time and the waiting time distribution, the cross correlation, the joint probabilities, etc. Among, the first moment of photon statistics and the experimental results of optical amplification are in good agreement.