You can try to use our PM combiner,or PM splitter, PM WDM in your system. we produce 405nm,532nm,635nm,650nm~1650nm splitter,WDM, such as 532/635nm PMWDM etc, which are used in OCT, QPSK ,EDFA, etc.
kevin
eamail; kevin.xiang@comcore.com
skype: kevin.hsiang