Generation of sub-Poisson light in a negative feedback and cascade three-level system

Jinhua Chai; Guangcan Guo

doi:10.1117/12.140331

28 October 1992 Generation of sub-Poisson light in a negative feedback and cascade three-level system

Jinhua Chai, Guangcan Guo

Proceedings Volume 1726, 1992 Shanghai International Symposium on Quantum Optics; (1992) https://doi.org/10.1117/12.140331
Event: 1992 Shanghai International Symposium on Quantum Optics, 1992, Shanghai, China

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.

Citation Download Citation

Jinhua Chai and Guangcan Guo "Generation of sub-Poisson light in a negative feedback and cascade three-level system", Proc. SPIE 1726, 1992 Shanghai International Symposium on Quantum Optics, (28 October 1992); https://doi.org/10.1117/12.140331

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