A intracavity multiphoton absorber in driven optical systems is a effective means to depress the internal field fluctuation. 在受驱动光学系统中增设内腔多光子吸收元件是抑制腔场噪声的有效手段。
The dipole oscillator sum can be expressed in terms of the integrated photo absorption cross section. 偶极谐振子和可以用积分后的光子吸收截面来表示。
