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112.5 Gbit/s Optical Time-Division Multiplexed System Demonstration AuthorsScott A. HamiltonBryan S. Robinson Thomas E. Murphy, tem@umd.edu Shelby J. Savage Erich P. Ippen AbstractIn this paper, we present ultrafast slotted optical time-division multiplexed networks as a viable means of achieving a highly capable next generation all-optical packet-switched network which provides simple network management, the ability to support variable quality-of-service, self-routing of packets, scalability in the number of users, and the use of digital regeneration, buffering, and encryption. We have reviewed all-optical switch and Boolean logic gate implementations using an ultrafast nonlinear interferometer that is capable of stable, data pattern independent operation at speeds in excess of 100 Gbit/s. We have expanded the capability provided by the ultrafast nonlinear interferometer beyond switching and logic demonstrations to include system-level functions such as packet synchronization, address comparison, and rate conversion. We have used these advanced all-optical signal processing capabilities to demonstrate a slotted OTDM multi-access network testbed operating at 112.5 Gbit/s line rates with inherent scalability in the number of users and system line rates. We have also investigated long-haul propagation of short optical pulses in fiber and all-optical 3R regeneration as a viable cost-effective means of extending the long-haul distance of our OTDM network to distances much greater than 100 km.Download/View
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