Low Cost TWDM by Wavelength-Set Division Multiplexing.
Wolfgang PöhlmannBernhard DeppischThomas PfeifferCarlo FerrariMark EarnshawAlex DuqueRobert L. FarahJoe GalaroJames KotchMan Fai LauDoutje T. van VeenPeter VetterPublished in: Bell Labs Tech. J. (2013)