Quantum-state-preserving optical pulse reshaping and multiplexing by four-wave mixing in a fiber
Colin J. McKinstrie, Lasse Mejling, M. G. Raymer, Karsten K. Rottwitt · 2012
Nondegenerate four-wave mixing driven by two pulsed pumps transfers the quantum state of an input signal pulse to an output idler pulse, which is a frequency-translated and reshaped version of the signal. By varying the pump shapes appropriately, one can connect signal and idler pulses with arbitrary durations and shapes. This process enables a variety of functions required by quantum information networks.