Abstract
AbstractHere, a method to generate and shape the tri‐photon entanglement in the temporal domain via simplified single step of six‐wave mixing processes of hot atomic gas media is proposed. The effect of dressing fields on shaping the tri‐photon temporal waveform is discussed. Cascade double dressing fields will reduce the width of rectangular profile of tri‐photon waveform when compared to the single dressing field. Conversely, nested double dressing fields will widen the width of rectangular profile of tri‐photon waveform. The double dressing field will affect the coherence time of linear optical response. The relationship between phase matching bandwidth and electromagnetically induced transparency bandwidth will decide the shape of temporal waveform and coherence time in linear optical response. The transition of nonlinear optical response to linear optical response can be completed by regulating the dressing fields. The results of this proposed study have potential impact on long‐distance quantum communication, high‐dimensional entanglement, and photon storage.
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