A monolithic opticalsuperlattice which contains two segments of periodically poled area is designed to generated triplets. We investigate how to manipulate the tripartitefrequencycorrelation of triplets under exten...
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A monolithic opticalsuperlattice which contains two segments of periodically poled area is designed to generated triplets. We investigate how to manipulate the tripartitefrequencycorrelation of triplets under extended phase-matching conditions. By choosing proper pump bandwidth and crystal length, the tripartitefrequency will show a full correlation, partial correlation or no correlation, corresponding to one none-separable triplet, separable one photon and biphoton or three separable photons, respectively. We found that the spacetime wave packets of the triplets could show a variety of fine structures when the physical parameters were adjusted. This research plays an important role in understanding the basic properties of multi-body correlation and can also supply key elements for developing new quantum technologies.
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