QUANTUM BEAT LASER:TWO-MODE SUB-POISSONIAN LIGHT | Zendy

Xiangming Hu | Zendy; PENG JIN-SHENG | Zendy

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QUANTUM BEAT LASER:TWO-MODE SUB-POISSONIAN LIGHT

Author(s) -

Xiangming Hu,

PENG JIN-SHENG

Publication year - 1998

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.47.1296

Subject(s) - physics , amplitude , beat (acoustics) , quantum , coherence (philosophical gambling strategy) , photon , relative phase , laser , quantum mechanics , photon statistics , quantum noise , phase (matter) , statistics , atomic physics , mathematics

It is shown that the Λ quantum beat system, into which a new atomic coherence is introduced, can produce bright two-mode sub-Poissonian light. The Mandel Q parameter is calculated using Scully-Lamb theory. On one hand, when quantum noises of the relative amplitude and relative phase drop to vaccum noise levels, the average mode exhibits sub-Poissonian photon distribution; when quantum noises of the average amplitude and average phase drop to vaccum noise levels, the relative mode exhibits sub-Poissonian photon statistics; the optimum Mandel Q parameter is -0.5. On the other hand, in the above two cases, each of the correlated spontaneous emission laser modes exhibits sub-Poissonian photon statistics with optimum Mandel Q parameter of -0.25.

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