Journal article
High-speed reconfigurable free-space card-to-card optical interconnects
K Wang, A Nirmalathas, C Lim, E Skafidas, K Alameh
IEEE Photonics Journal | Published : 2012
Abstract
A reconfigurable free-space-based card-to-card optical interconnect architecture employing MEMS-based steering mirror arrays in conjunction with VCSEL and photodiode arrays is proposed and demonstrated in this paper. Theoretical studies and simulations indicate that error-free [bit error rate (BER) of < 10 -6] optical interconnects with a range on the order of tens of centimeters can be achieved, and the major factors limiting the performance are the VCSEL beam divergence and interchannel optical crosstalk. The tradeoff between the BER performance and the channel spacing of the receiver MEMS mirror array is also investigated. A proof-of-concept 3 × 10 Gb/s reconfigurable optical interconnect..
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Funding Acknowledgements
Manuscript received June 22, 2012; revised July 17, 2012; accepted July 19, 2012. Date of publication July 31, 2012; date of current version August 3, 2012. This work was supported in part by NICTA and by the Department of Industry, Innovation, Science, Research and Tertiary Education (DIISRTE). NICTA is funded by the Australian Government as represented by the Department of Broadband, Communications and the Digital Economy and the Australian Research Council through the ICT Centre of Excellence Program. Corresponding author: K. Wang (e-mail: kwa@student.unimelb.edu.au).