Traditionally, the optical interference and energy conversion could be modulated by dissipation and dispersion in nonlinear optomechanical systems. Here, in this article, we study the enhancement of dissipative coupling on transparency under generalized optomechanical coupling and theoretically illustrate the generation of optomechanically induced transparency with gain and interference tuning. It enables the enhancement of the controlling of fast (slow) light by an order of magnitude. This unifies the dispersive and dissipative coupling into generalized coupling in the study of optomechanically induced transparency and extends its applications from optical switching to optically controlled amplification under the red-sideband optical pumping.

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