Here is a example of solution of everything by optiwave samples
https://optiwave.com/download-1/wdm-pon/
You canalso find this system in optisyste 13.If you dont have then v13 then let me know.AWG is there in optisyste 7 and you can utilize that.For further help ,stay active and take a look at ny all replies step by step.Hope you will understand it Thank you