单分子光谱学中波长分辨光子发射统计理论
Theory for wavelength-resolved photon emission statistics in single-molecule spectroscopy
摘要：
我们推导出了单分子在激光激发下光子发射的矩母函数。荧光光子的频率被明确考虑。计算的情况下，一个两级染料分子，测量的光子统计将显示一个强大的和非直观的依赖于探测器的带宽。此外，它表明，反聚束现象，与曼德尔的Q参数的负值，结果与良好的分离频率的光子之间的相关性。
英文摘要：
We derive the moment generating function for photon emissions from a single molecule driven by laser excitation. The frequencies of the fluoresced photons are explicitly considered. Calculations are performed for the case of a two level dye molecule, showing that measured photon statistics will display a strong and non-intuitive dependence on detector bandwidth. Moreover, it is demonstrated that the anti-bunching phenomenon, associated with negative values of Mandel's Q-parameter, results from correlations between photons with well separated frequencies.
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