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Proceedings Paper

Reconfigurable free space optical data center network using gimbal-less MEMS retroreflective acquisition and tracking
Author(s): Peng Deng; Tim Kane; Omar Alharbi
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Paper Abstract

Robust and agile reconfigurable free space optical communication (FSO) links over dynamic traffic play a key role in next generation flexible wireless datacenter inter-rack networks, in terms of high throughput, dynamic robustness, cable complexity and energy efficiency. In this paper, we propose and demonstrate an agile reconfigurable 10Gbps FSO system incorporated with intelligent beam acquisition and tracking mechanism based on gimbal-less two-axis MEMS micromirror and retro-reflective film optics. Steering latency and alignment accuracy of reconfigurable FSO links are evaluated over various distances and directions, and get enhanced by intelligent adaptive acquisition and tracking schemes. Optical power loss and bit error rate of reconfigurable 10Gbps FSO links with mobility are reported over a distance of 13 m. Results show that it is feasible to use MEMS retroreflective acquisition and tracking system to achieve agile reconfigurable FSO links for flexible wireless datacenter inter-rack networks.

Paper Details

Date Published: 15 February 2018
PDF: 9 pages
Proc. SPIE 10524, Free-Space Laser Communication and Atmospheric Propagation XXX, 1052403 (15 February 2018); doi: 10.1117/12.2295831
Show Author Affiliations
Peng Deng, The Pennsylvania State Univ. (United States)
Tim Kane, The Pennsylvania State Univ. (United States)
Omar Alharbi, The Pennsylvania State Univ. (United States)


Published in SPIE Proceedings Vol. 10524:
Free-Space Laser Communication and Atmospheric Propagation XXX
Hamid Hemmati; Don M. Boroson, Editor(s)

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