The physics origin of the amplification arises from
the mechanical gain, which can be viewed as a coherent
phonon bath that converts the beam-splitter operation between
the mechanical and the cavity modes to effective parametric
processes between these modes.

PHYSICAL REVIEW A 97, 043818 (2018)

Electronic Transistors vs Optomechanical Transistor

?What is the quantum battery

The origin of gain in optomechanical transistor

In optomechanical transistor the amplification arises from the mechanical gain, which
provides an effective phonon bath that pumps the mechanical mode coherently. This effect is analogous to the
stimulated emission of atoms, where the probe field can be amplified when its frequency is in resonance with that
.of the anti-Stokes transition

PHYSICAL REVIEW A 97, 043818 (2018)

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mechanical gain

What is the influence of mechanical
? gain on the probe output field

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