Hey.
They are using lasers to repeatedly probe the system thus achieving a metastable state that they can then phase together. I wrote a Quora about it a long Time ago.
Phase matching *is* entanglement and this article is So much filled with bullshit that I cant integrate over it.
They Show You Patterns, And Call it Dark Matter,
They show you Patterns, and call it Time Crystals
They Show you Patterns, and Call it Quantum Holography
They Show you Patterns, and call it Direct Counterfactual Zeno Bullshit, because that is a Pump Probed Experiment
The People who See the light for the first time really need to stop fooling themselves