求助! 谁熟悉OPA或OPO设计啊

cither

要设计一个OPA(光学参量振荡器),就是把波长1.55um的转化成1.31um,有没有行家指点,或能提供帮助,书籍或资料什么的,万分感激!!!

dowithu

EDFA might be a choice. You are definately talk about fiber optics.

cither

what  is EDFA? could you explain a lot? thank you very much?