MEMS-based beam-steerable FSO communications for reconfigurable wireless data center

Peng Deng; Mohsen Kavehrad; Yan Lou

doi:10.1117/12.2253342

28 January 2017 MEMS-based beam-steerable FSO communications for reconfigurable wireless data center

Peng Deng, Mohsen Kavehrad, Yan Lou

Proceedings Volume 10128, Broadband Access Communication Technologies XI; 1012805 (2017) https://doi.org/10.1117/12.2253342
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

Flexible wireless datacenter networks based on free space optical communication (FSO) links are being considered as promising solutions to meet the future datacenter demands of high throughput, robustness to dynamic traffic patterns, cabling complexity and energy efficiency. Robust and precise steerable FSO links over dynamic traffic play a key role in the reconfigurable optical wireless datacenter inter-rack network. In this work, we propose and demonstrate a reconfigurable 10Gbps FSO system incorporated with smart beam acquisition and tracking mechanism based on gimballess two-axis MEMS micro-mirror and retro-reflective film marked aperture. The fast MEMS-based beam acquisition switches laser beam of FSO terminal from one rack to the next for reconfigurable networks, and the precise beam tracking makes FSO device auto-correct the misalignment in real-time. We evaluate the optical power loss and bit error rate performance of steerable FSO links at various directions. Experimental results suggest that the MEMS based beam steerable FSO links hold considerable promise for the future reconfigurable wireless datacenter networks.

Conference Presentation

Citation Download Citation

Peng Deng, Mohsen Kavehrad, and Yan Lou "MEMS-based beam-steerable FSO communications for reconfigurable wireless data center", Proc. SPIE 10128, Broadband Access Communication Technologies XI, 1012805 (28 January 2017); https://doi.org/10.1117/12.2253342

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