Barely Significant

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In the scheme, with the increase of the coupling strength of the coupled optomechanical system, not only the entanglement is increasingly stronger but also the region of the effective detuning that entanglement exists is more and more broader, which are extremely significant due to the fact that the stronger entanglement and the more broader effective detuning region are obtained, the more easily it is realized and observed in experiment.
Optomechanics is thus not only fundamentally important, as it provides a setting to understand the physics of optical-mechanical interactions 3 6 7 , but also practically significant with applications ranging from ultra-precision measurements 2 8 9 , light-matter entanglement 10 11 12 , mechanical memory 13 , tunable optical coupler 14 , classical state preparation through squeezing 15 16 , optical transparency 17 , and photon shuttling 18 to creation of nonclassical light 19 20 and cooling of microscopic or mesoscopic objects 21 22 .