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Title:	Effective eigenvalue for the intensity correlations of single-mode and two-mode lasers
Author:	San Miguel Ruibal, Maximino; Pesquera, L.; Rodríguez Díaz, Miguel Ángel; Hernández Machado, Aurora
Other authors:	Universitat de Barcelona
Abstract:	Exact formulas for the effective eigenvalue characterizing the initial decay of intensity correlation functions are given in terms of stationary moments of the intensity. Spontaneous emission noise and nonwhite pump noise are considered. Our results are discussed in connection with earlier calculations, simulations, and experimental results for single-mode dye lasers, two-mode inhomogeneously broadened lasers, and two-mode dye ring lasers. The effective eigenvalue is seen to depend sensitively on noise characteristics and symmetry properties of the system. In particular, the effective eigenvalue associated with cross correlations of two-mode lasers is seen to vanish in the absence of pump noise as a consequence of detailed balance. In the presence of pump noise, the vanishing of this eigenvalue requires equal pump parameters for the two modes and statistical independence of spontaneous emission noise acting on each mode.
Subject(s):	-Òptica quàntica -Làsers -Quantum optics -Semiconductor lasers
Rights:	(c) The American Physical Society, 1987
Document type:	Article Article - Published version
Published by:	The American Physical Society
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