Abstract
The bright two-color tripartite entanglement is investigated in the process of type II second harmonic generation (SHG) operating above threshold. The two pump fields and the second harmonic field are proved to be entangled, and the dependence of the entanglement degree on pump parametersigma and normalized frequency Omega is also analyzed.
Highlights
“Experimental evidence of spontaneous symmetry breaking in intracavity type II second-harmonic generation with triple resonance,” Opt. Lett
Thereafter, we suggested the generation of the tripartite entanglement of the fundamental and second-harmonic fields with two frequencies through the type-II second harmonic generation (SHG) below threshold [10]
Entanglement between two pumping sub-harmonic modes and the harmonic mode of triple resonant SHG operating above threshold is considered
Summary
“Experimental evidence of spontaneous symmetry breaking in intracavity type II second-harmonic generation with triple resonance,” Opt. Lett. Thereafter, we suggested the generation of the tripartite entanglement of the fundamental and second-harmonic fields with two frequencies through the type-II SHG below threshold [10].
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