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提出了一种起源于光场与振子（ｂｏｓｏｎ元激发）之间非线性耦合的激光模型。详细地论证了该激光器的阂阈行为，它和光场与二能级原子耦合的激光一样，具有典型的二级相交特征。
A laser model originating from the nonlinear coupling between the light field and oscillator (boson element excitation) is proposed. The threshold threshold behavior of the laser is demonstrated in detail. It has the same second-order intersection characteristics as the laser with the optical field coupled with two-level atoms.