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Large-Capacity Photonic Packet Switch Prototype Using Wavelength Routing Techniques
Keishi HABARA Hiroaki SANJO Hideki NISHIZAWA Yoshiaki YAMADA Shigeki HINO Ikuo OGAWA Yasumasa SUZAKI
IEICE TRANSACTIONS on Communications
Publication Date: 2000/10/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Advanced Internetworking based on Photonic Network Technologies)
photonic packet switch, WDM broadcast-and-select switch, optical buffer, wavelength selector, optical burst mode receiver,
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A rack-mounted prototype packet switch that makes use of wavelength-division-multiplexing (WDM) interconnect techniques has been developed. The switch has a maximum throughput of 320 Gbit/s. It features a WDM star-based switch architecture, an electrical control circuit layer and a broad-bandwidth optical WDM layer. The basic characteristics of the broad bandwidth WDM layer, such as level diagram, transmission characteristics, 32-wavelength-channel switching, and high-speed optical gating within a 1.6-ns guard time, are described. Experimental results demonstrated that the switch can perform practical self-routing switch operations, such as address-extraction, optical buffering, and filtering for packet speeds of up to 10 Gbit/s. The switch is promising for such applications as a terabit-per-second switching node in future WDM transport networks.