Centralized optical backplane with energy equalized fan-outs for board-to-board interconnections

Gicherl Kim; Xuliang Han; Ray T. Chen

doi:10.1117/12.428037

30 May 2001 Centralized optical backplane with energy equalized fan-outs for board-to-board interconnections

Gicherl Kim, Xuliang Han, Ray T. Chen

Proceedings Volume 4292, Optoelectronic Interconnects VIII; (2001) https://doi.org/10.1117/12.428037
Event: Symposium on Integrated Optics, 2001, San Jose, CA, United States

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.

Citation Download Citation

Gicherl Kim, Xuliang Han, and Ray T. Chen "Centralized optical backplane with energy equalized fan-outs for board-to-board interconnections", Proc. SPIE 4292, Optoelectronic Interconnects VIII, (30 May 2001); https://doi.org/10.1117/12.428037

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