Fast recognition of single molecules based on single event photon statistics

Details Fast recognition of single molecules based on single event photon statistics Fast recognition of single molecules based on single event photon statistics

2007-08-02

arxiv.org/abs/0708.0301v1

Physics

Quantum Physics

13 pages, 4figures

Scientific paper

10.1103/PhysRevA.76.063820

Mandel Q-parameter, which is determined from single event photon statistics, provides an alternative to differentiate single-molecule with fluorescence detection. In this work, by using the Q-parameter of the sample fluorescence compared to that of an ideal double-molecule system with the same average photon number, we present a novel and fast approach for identifying single molecules based on single event photon statistics analyses, compared with commonly used two-time correlation measurements. The error estimates for critical values of photon statistics are also presented for single-molecule determination.

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