For an SOA with an active region with a wide material gain spectrum, an optimal antireflection coating helps to realize an SOA-based incoherent optical source with a high bandwidth and good flatness.

• 而在采用具有宽带材料增益谱的有源区基础上，结合抗反膜的优化设计，则可以获得既宽又平坦的非相干光源。