Improved optical switching network configuration based on optical interconnection

Fengguang Luo; Mingcui Cao; Xinjun Zhou; Zhixiang Luo; Jun Xu; Jing Yuan; Ping Huang; Hueimin Wei

doi:10.1117/12.523445

7 May 2004 Improved optical switching network configuration based on optical interconnection

Fengguang Luo, Mingcui Cao, Xinjun Zhou, Zhixiang Luo, Jun Xu, Jing Yuan, Ping Huang, Hueimin Wei

Proceedings Volume 5281, Optical Transmission, Switching, and Subsystems; (2004) https://doi.org/10.1117/12.523445
Event: Asia-Pacific Optical and Wireless Communications, 2003, Wuhan, China

Abstract

This paper reported an improved optical switching network configuration based on optical interconnection technology with vertical cavity surface emitting laser (VCSEL) array. The optical switching network consists of two-level optical interconnection backplane. It can connect 64 nodes with parallel optical links. The first level of optical interconnection backplane includes eight 8×8 crossbar interconnect sub-networks. Instead of one 8×8 crossbar interconnect sub-network in the second level of the optical interconnection backplane adopted in our original configuration, the second level of optical interconnection backplane has two 8×8 Crossbar interconnect sub-networks in this improved configuration. So the blocking rate is decreased. VCSEL-based parallel optoelectronic I/O interface is used as O/E conversion. Every I/O parallel interface between optical interconnection network and every node includes 18 VCSEL emitter pixels, 18 PIN receiver pixels. In order to couple 18 signal light beam array into optical fiber array ribbon, a fabrication technique based on the high precise position slot is used for assembling optical fiber array interface. A configuration of coupling packaging for the VCSEL pixel array to the fiber array with 45° end surface is also presented in this paper. An optical data transmission rate between interconnection nodes is 5Gb/s which is transmitted by the optical fiber ribbon-based parallel optical data links with 2 channels at data rate of 2.5Gb/s per channel. The aggregate bandwidth of 360Gbps for an 8×8 Crossbar optical fiber interconnect network backplane is achieved. The reliability of the fiber array with 45° end surface is tested in our experiment.

Citation Download Citation

Fengguang Luo, Mingcui Cao, Xinjun Zhou, Zhixiang Luo, Jun Xu, Jing Yuan, Ping Huang, and Hueimin Wei "Improved optical switching network configuration based on optical interconnection", Proc. SPIE 5281, Optical Transmission, Switching, and Subsystems, (7 May 2004); https://doi.org/10.1117/12.523445

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