Forum Options New Topic Gallery Categories All Knowledge General System SPICE FDTD BPM Grating Fiber Exchange Home › Forums › SYSTEM › subtract two power subtract two power mohamed diaa (joined March 2017) Participant hi all can any one tell me how to subtract two optical power in optisystem (P1-P2) Responses (3): Reply January 10, 2018 at 1:27 pm #47361 mohamed diaaParticipant hi all can any one tell me how to subtract two optical power in optisystem (P1-P2) January 11, 2018 at 11:26 am #47365 Mohamed A. A. AbouseifParticipant there are two components called optical/electrical subtractor January 12, 2018 at 4:35 pm #47371 mohamed diaaParticipant no optical subtractor didn’t give the true result is there any other idea ?? January 15, 2018 at 8:01 am #47392 Mohamed A. A. AbouseifParticipant what do u mean by that? what are your input power and the expected and real outputs?? 1 Login You must be logged in to reply to this topic.