Physics – Quantum Physics
Scientific paper
1999-01-06
Quant.Semiclass.Opt. 9 (1997) 443-464
Physics
Quantum Physics
LATEX, 20 pages, 19 PostScript figures
Scientific paper
10.1088/1355-5111/9/3/013
Statistical properties of optical fields in nonlinear couplers composed of two waveguides in which Raman or Brillouin processes (with classical pumping) are in operation and which are mutually connected through the Stokes and/or anti-Stokes linear interactions are investigated within the framework of generalized superposition of coherent fields and quantum noise. Heisenberg equations describing the couplers are solved both analytically under special conditions and numerically in general cases. Regimes for nonclassical properties of optical fields, such as sub-Poissonian photon-number statistics, negative reduced moments of integrated intensity and squeezing of quadrature fluctuations are discussed for the cases of single and compound fields. General results are compared with those from short-length approximation.
Jr.
Perina Jan
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