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Optical Engineering

Five Gb/s operation of a 50-channel optical interconnect
Author(s): Raymond K. Boncek; Paul R. Prucnal; Mark F. Krol; Steven T. Johns; John L. Stacy
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Paper Abstract

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.

Paper Details

Date Published: 1 November 1992
PDF: 8 pages
Opt. Eng. 31(11) doi: 10.1117/12.60049
Published in: Optical Engineering Volume 31, Issue 11
Show Author Affiliations
Raymond K. Boncek, Rome Lab. (United States)
Paul R. Prucnal, Princeton Univ. (United States)
Mark F. Krol, Rome Lab. (United States)
Steven T. Johns, Rome Lab. (United States)
John L. Stacy, Rome Lab. (United States)


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