Determination of signal-to-background ratio of single molecular photon source based on photon counting statistics | Zendy

Xiao-Bo Wang | Zendy; Huang Tao | Zendy; Junhu Shao | Zendy; Jiang Yu-Qiang | Zendy; Liantuan Xiao | Zendy; Jia Suo-Tang | Zendy

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Determination of signal-to-background ratio of single molecular photon source based on photon counting statistics

Author(s) -

Xiao-Bo Wang,

Huang Tao,

Junhu Shao,

Jiang Yu-Qiang,

Liantuan Xiao,

Jia Suo-Tang

Publication year - 2005

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.54.617

Subject(s) - photon , physics , statistics , signal (programming language) , energy (signal processing) , function (biology) , ideal (ethics) , photon counting , atomic physics , quantum mechanics , mathematics , computer science , programming language , philosophy , epistemology , evolutionary biology , biology

The real triggered single molecule source is recognized as an ideal single photon source with a Poissonian statistics background. By considering the effect of the triplet state in single molecule energy level, an explicit function is given for the signaltobackgound ratio(SBR) by use of photoncounting statistics. When PRS(1)2PRS(2)-3PRS(2), we present an effici ent method to determine the SBR of the triggered single photons source, which s hows SBR=P2RS(1)/2PRS(2).In addition, the expression of Q, as a function of signaltobackgound ratio, has been obtained. It turns o ut that this method is simpler and gives a greater accuracy than previous proce dures.

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