Enhancement of the quantum characteristics of light from an inversionless three-level Λ-laser in cascade schemes |
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Authors: | Yu. M. Golubev G. R. Ershov |
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Affiliation: | (1) Research Physics Institute at St. Petersburg State University, 193904 St. Petersburg, Russia |
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Abstract: | We show that when a three-level laser is excited by Poisson light the lasing remains sub-Poisson, as asserted by H. Ritsch, M. A. M. Marte, and P. Zoller [Europhys. Lett. 19, 7 (1992)], only if there is no reciprocal action on the exciting laser (weak coupling). In cascade schemes in which each three-level Λ-laser excites each succeeding Λ-laser with its light, any desired degree of shot-noise suppression can be achieved. Zh. éksp. Teor. Fiz. 114, 1971–1992 (December 1998) |
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