Abstract
In recent years, we exhibit an exponential data traffic and electrical power consumption growth in high-performance computing (HPC) interconnects. Thus, Green Photonics, which tries to minimize the Joule/bit ratio, becomes a major subject of both public and scientific interest. A significant amount of the installations within these HPCs are graded-index multimode fibers using parallel rack-to-rack optical interconnects. These fibers enable the use of mode division multiplexing to increase the fiber's capacity. In this paper, we theoretically derive a power and offset allocation method for an intensity modulated optical multiple-input-multiple-output system with incoherent single-mode vertical cavity surface emitting laser array, which minimizes the electrical power consumption for a required bit rate and allowed bit error rate. This method outperforms simple equal bit and power allocation scheme, achieving a 45–55% electrical power save with a typicalrequired bit error rate of 10−6.
© 2017 IEEE
PDF Article
More Like This
Mode-multiplexed transmission over conventional graded-index multimode fibers
R. Ryf, N. K. Fontaine, H. Chen, B. Guan, B. Huang, M. Esmaeelpour, A. H. Gnauck, S. Randel, S.J.B. Yoo, A.M.J. Koonen, R. Shubochkin, Y. Sun, and R. Lingle
Opt. Express 23(1) 235-246 (2015)
Cited By
You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.
Contact your librarian or system administrator
or
Login to access Optica Member Subscription