Home Forums SYSTEM Simple Bi-directional Link Reply To: Simple Bi-directional Link

#23580
Profile Photo
Ashu verma
Participant

The MAin use of optical filtres here is to select the wavelength of specific channel which is observed at ONU.In case of Shaid,4 wavelengths has been used 2 for US and another 2 for DS.Now the question is how different wavelengths demultiplexed from a combined data stream.One way is to use AWG for routing.Another is placing 4 optical filters with the specific freq. corresponding to the transmitter side as we do in WDM demux.Here function of optical filter is not to filter noise or passing the the band.

Categories