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Proceedings Paper

Generation of sub-Poisson light in a negative feedback and cascade three-level system
Author(s): Jinhua Chai; Guangcan Guo
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Paper Abstract

The aim of this paper is to try to find out the possibility of reducing the photon number noise in an optically pumped three-level atomic system. Consider a three-level atomic system. The atomic transition between level 1 and level 3 is forbidden. Each atom is incoherently excited to upper level 3 from level 1, transits to level 1 through intermediate level 2, and emits photons at frequency (omega) 1 and (omega) 2. We place the atoms with the above feature into an oscillator and may obtain two coherent light beams, whose frequency are (omega) 1 and (omega) 2, respectively. There may be some correlation between these two light beams. We make one beam to control the pump source by a feedback loop and expect to reduce the noise of photon number of the other beam.

Paper Details

Date Published: 28 October 1992
PDF: 3 pages
Proc. SPIE 1726, 1992 Shanghai International Symposium on Quantum Optics, (28 October 1992); doi: 10.1117/12.140331
Show Author Affiliations
Jinhua Chai, China Univ. of Science and Technology (China)
Guangcan Guo, China Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 1726:
1992 Shanghai International Symposium on Quantum Optics

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