Abstract

A novel wavelength router architecture is proposed to implement large-scale multihop-based virtual optical ring (VOR) networks over a star-configured optical cable plant. A number of cyclic N x N arrayed waveguide gratings (AWGs) each having an optical loop-back for its own VOR are interconnected together for a two-level VOR network. The proposed router reduces the maximum number of hops and enables the use of wide channel spacing. The design principle is demonstrated through a proof-of-concept experiment and useful features are discussed.

© 2005 IEEE

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