Two-pump fiber optical parametric amplifier (FOPA) with two-section highly nonlinear fibers is proposed and demonstrated, which has broad bandwidth, high and flat gain.

• 提出和设计了一种宽带宽、高增益和增益平坦的光纤参量放大器，它具有双泵浦和两段高非线性光纤级联的结构。