Figure 1 | Scientific Reports

Figure 1

From: Generation of hyper-entanglement in polarization/energy-time and discrete-frequency/energy-time in optical fibers

Figure 1

Vector SFWM processes stimulated by two pump lights with orthogonal polarizations and different frequencies for the hyper-entanglement generation.

H and V denote two orthogonal polarization directions (H: Horizontal direction, V: Vertical direction). The proposed scheme for the hyper-entanglement generation is based on the coherent superposition of the two vector SFWM processes.

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