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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editors: K. Bergman and V. Chan
  • Vol. 3, Iss. 8 — Aug. 1, 2011
  • pp: A49–A58

Roadmapping ICT: An Absolute Energy Efficiency Metric

Michael C. Parker and Stuart D. Walker  »View Author Affiliations


Journal of Optical Communications and Networking, Vol. 3, Issue 8, pp. A49-A58 (2011)
http://dx.doi.org/10.1364/JOCN.3.000A49


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Abstract

We describe an absolute energy efficiency metric (measured in dBε) that can be universally applied to any ICT system, subsystem and component. It shows what energy efficiency improvements are possible for any data processing/transmission/storage system. The metric’s versatility is also displayed by applying it to biologically based and quantum-level information systems. As an exemplar, we identify ten different and independent approaches, each of which on its own could achieve at least a 50% energy efficiency saving, so as to enable a thousand-fold (i.e., 30 dB) improvement in overall energy efficiency in photonic telecommunications networking.

© 2011 OSA

OCIS Codes
(060.4250) Fiber optics and optical communications : Networks
(120.3940) Instrumentation, measurement, and metrology : Metrology

ToC Category:
Optics in the Data Center

History
Original Manuscript: January 31, 2011
Revised Manuscript: June 14, 2011
Manuscript Accepted: June 20, 2011
Published: July 22, 2011

Citation
Michael C. Parker and Stuart D. Walker, "Roadmapping ICT: An Absolute Energy Efficiency Metric," J. Opt. Commun. Netw. 3, A49-A58 (2011)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-3-8-A49

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