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Journal of Lightwave Technology

Journal of Lightwave Technology


  • Vol. 19, Iss. 7 — Jul. 1, 2001
  • pp: 959–

A Method for Rebroadcasting Signals in an Optical Backplane Bus System

Gicherl Kim, Xuliang Han, and Ray T. Chen

Journal of Lightwave Technology, Vol. 19, Issue 7, pp. 959- (2001)

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A guided-wave optical backplane bus system intended for use in high-performance board-to-board interconnects is described. Its multiplexed polymeric holograms can implement optical signal broadcast between boards so that all boards share common optical channels. By introducing an active coupler to the doubly multiplexed hologram at the center board, signals received from any board can be rebroadcast to all other boards. We describe the design concepts for a centralized optical backplane and the resulting performance and assembly advantages over previously developed guided-wave and free-space optical backplane bus systems used for broadcasting signals. These advantages include equalized fan-out power, increased interconnect distance, and simpler fabrication.


Gicherl Kim, Xuliang Han, and Ray T. Chen, "A Method for Rebroadcasting Signals in an Optical Backplane Bus System," J. Lightwave Technol. 19, 959- (2001)

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  1. S. Natarajan, C. Zhao and R. T. Chen, "Bi-directional optical backplane bus for general purpose multiprocessor board-to-board optoelelctronic interconnects", J. Lightwave Technol., vol. 13, pp. 1031-1040, June 1995 .
  2. G. Kim, X. Han and R. T. Chen, "An 8-Gb/s optical backplane bus based on microchannel interconnect: Design, fabrication and performance measurements", J. Lightwave Technol., vol. 18, pp. 1477-1486, Nov. 2000.

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