Effects of Atomic Coherence and Injected Classical Field on Chaotic Dynamics of Non-degenerate Cascade Two-Photon Lasers |
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Authors: | ZHANG Ya-Jun HUANG Hong-Bin YANG Peng XIE Xia |
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Affiliation: | 1. Department of Physics, Southeast University, Nanjing 210096, China;2. Nanjing Institute of Astronomical Optics and Technology, Nanjing 210042, China |
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Abstract: | Based on the cascade two-photon laser dynamic equation derived with the technique of quantum Langevin operators with the considerations of coherently prepared three-level atoms and the classical field injected into the cavity, we numerically study the effects of atomic coherence and classical field on the chaotic dynamics of a two-photon laser. Lyapunov exponent and bifurcation diagram calculations show that the Lorenz chaos and hyperchaos can be induced or inhibited by the atomic coherence and the classical field via crisis or Hopf bifurcations. |
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Keywords: | nondegenerate cascade two-photon laser chaos bifurcation injected classical field atomic coherence |
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