DWDM Mux/Demux — 100 GHz C-Band

100 GHz doubles the channel count in the same band and is what nearly all coherent pluggables tune to. 200 GHz has looser filters, slightly lower loss and costs less — sensible when you need fewer than sixteen channels and want maximum margin.

Yes — coherent pluggables tune across the C-band on the 100 GHz (or flexible) grid. Budget 3–4 dB per mux and remember you need one at each end, so a mux pair costs 6–8 dB of your span budget. Our coherent DCI guide works a full example.

Yes, if you order a unit with the upgrade port fitted. It lets you cascade a second mux for the adjacent band without re-terminating the line fiber. Specify it up front — it cannot be added afterwards.

Yes — that is most of what we ship. Send the wavelength or ITU channel list, the port count, the package and the connector type on your RFQ and we build to it. Custom plans add only a few days to lead time.

Take the insertion loss shown for your channel count and double it, because you need a unit at each end of the link. Then add roughly 0.3 dB per mated connector pair and 0.1 dB per splice, and keep 3 dB of margin for ageing and future repairs before you compare against the transceiver's link budget.

Yes. Every unit is swept channel by channel and the measured insertion loss, isolation and return loss are supplied with the shipment. Sample reports can be provided in advance for tender documentation.