1 November 1992 Five Gb/s operation of a 50-channel optical interconnect
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The architecture and experimental demonstration of a novel optical time-division multiple-access (TDMA) interconnect is presented in detail. Optical multiplexing and synchronization is used to overcome the electronic multiple-access bottlenecks associated with gigahertz-bandwidth multiprocessor communication systems. A self-clocking optical TDMA interconnect is described that may be more practical to implement than other shared-medium multiple-access protocols, such as frequency division or code division. An experimental optical TDMA interconnect is reported that uses a 100-MHz repetition rate, mode-locked laser with external modulators to generate the base-band data, and operates at a multiplexed data rate of 5 Gbits/s accommodating up to 50 channels. System measurements reveal bit error rates of less than 10-9, low channel crosstalk, and subnanosecond multiaccess capability. A power budget analysis predicts that 100 Gbit/s systems with 1000 nodes are feasible.
Raymond K. Boncek, Paul R. Prucnal, Mark F. Krol, Steven T. Johns, John L. Stacy, "Five Gb/s operation of a 50-channel optical interconnect," Optical Engineering 31(11), (1 November 1992). https://doi.org/10.1117/12.60049 . Submission:

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