NEWARK, N.J., Aug. 30 -- A new, dense wavelength division multiplexing (DWDM) system is now available for license from FiberCity Networks, Inc., a Gigabit Ethernet supplier of bandwidth and services with its own proprietary, fiber-optic technology. FiberCity is manufacturing the DWDM system in the US for less than 10 percent of the cost of functionally similar, commercially available DWDM systems.