Demonstrated multimode radiation pressure actuation of nanomechanical membranes using structured light from a spatial mode demultiplexer, enabling simultaneous cooling of nearly degenerate mechanical modes—advancing quantum optomechanical control.

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Higher-order optomechanical interactions generate coherent phonon-phonon coupling through electromagnetic vacuum fluctuations, explaining observed energy transfer between mechanical membranes and enabling quantum thermodynamic cycles.

#QuantumOptomechanics #VacuumFluctuations #Research