期刊
MOLECULAR PHYSICS
卷 107, 期 3, 页码 265-280出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00268970902824250
关键词
ab initio; electronic structure; quantum chemistry; computational chemistry
资金
- National Science Foundation [CHE-0745892]
- National Institutes of Health [GM59230]
- NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [R01GM059230] Funding Source: NIH RePORTER
A superoperator non-equilibrium Green's function formalism is presented for computing nonlinear optical processes involving any combination of classical and quantum optical modes. Closed correlation-function expressions based on superoperator time-ordering are derived for the combined effects of causal response and non-causal spontaneous fluctuations. Coherent three wave mixing (sum frequency generation and parametric down conversion) involving one and two quantum optical modes, respectively, are compared with their incoherent counterparts: two-photon-induced fluorescence and two-photon-emitted fluorescence.
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