PASSIVE DWDM ROUTER
A passive DWDM router can separate periodically spaced wavelengths into two sets or combine them into one. It can handle up to 64 channels with 50-GHz spacing with a Gaussian or flat-top response and has performance degradation as low as 0.2 dB per stage. Its components are modular.
ITF Optical Technologies
Ville St. Laurent, Que., Canada