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Proceedings Paper

Centralized optical backplane with energy equalized fan-outs for board-to-board interconnections
Author(s): Gicherl Kim; Xuliang Han; Ray T. Chen
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Paper Abstract

We describe a new method for broadcasting signals in an optical backplane bus system based on guided-wave interconnects. By introducing a distributor (an active coupler) in the center board, which consists of a receiver, a doubly multiplexed hologram, and a transmitter, all signals coming from boards are collected in a receiver in the distributor and then are rebroadcasted from transmitter in the distributor to all boards. This method shows a variety of advantages such as equalized fan-out powers, increased the interconnect distance, reduced number of holograms, and easier system assembly. We show the design concepts for a centralized optical backplane, and resulting experimental performance advantages over previously- developed free-space and guided-wave optical backplane bus systems.

Paper Details

Date Published: 30 May 2001
PDF: 10 pages
Proc. SPIE 4292, Optoelectronic Interconnects VIII, (30 May 2001); doi: 10.1117/12.428037
Show Author Affiliations
Gicherl Kim, Univ. of Texas at Austin (United States)
Xuliang Han, Univ. of Texas at Austin (United States)
Ray T. Chen, Univ. of Texas at Austin (United States)


Published in SPIE Proceedings Vol. 4292:
Optoelectronic Interconnects VIII
Suning Tang; Yao Li, Editor(s)

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