Multihop lightwave networks are the optical-fiber based local communication systems that use WDM(Wavelength Division Multiplexing) technology to maximally utilize the enormous fiber bandwith without requiring tunable lasers. Based on the basic multihop concept, all communication channels operate at optoelectronic data rates, and all channels are wavelength multiplexed onto a common optical fiber.
In this paper we propose a new logical topology for WDM multihop network, an asymmetric bilayered ShuffleNet, which is shown to achieve higher efficiency compared to the conventional ShuffleNet and the bilayered ShuffleNet. We also present two methods of channel sharing with the TDMA and the WDM cross-connect star coupler in the implementation of the proposed topology.
