Quantum theory of the one-mode Lambda -type micromaser and laser.
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We derive the master equations for the fields in the one-mode -type micromaser and laser with injected atoms in a superposition of their states. In terms of effective parameters, these equations are equivalent to those for a two-level micromaser and laser. The interference terms in the master equations may cancel the absorption terms independent of statistical properties of the field. Due to the atomic coherence between the two degenerate lower levels, the generation of field states with sub-Poissonian photon statistics is possible in the micromaser without the need for a population inversion. If an equivalent level system is used in a laser operating without population inversion it can produce field states with Poisson distributions of the photon number. 1995 The American Physical Society.
author list (cited authors)
Le Kien F, .., Meyer, G. M., Scully, M. O., & Walther, H.
complete list of authors
Meyer, GM||Scully, MO||Walther, H