Fundamental second-order and third-order Nonlinear Distortions in Semiconductor Lasers

반도체 레이저에서의 2차 및 3차 비선형 왜곡의 특성

We express fundamental second-order and third- order harmonic distortions and intermodulation distortions in terms of the laser parameters. Compared to the Darcie `s result only limited to the high frequency (f >1GHz), these expression are quite valid in the entire modulation frequency region. It is found that the fundamental nonlinear distortions are strongly effected by the spontaneous emission to lasing mode as well as the gain compresion damping in the low frequency region.