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Bandwidth-efficient modular wavelength router for large-scale multihop virtual optical ring networks

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3 Author(s)
Chang-Joon Chae ; Dept. of Electr. & Electron. Eng., Melbourne Univ., Melbourne, Vic., Australia ; An Vu Tran ; Tucker, RodneyS.

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×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.

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Lightwave Technology, Journal of  (Volume:23 ,  Issue: 3 )