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Proceedings Paper

Optics in computers, servers, and data centers
Author(s): H. J. S. Dorren; P. Duan; O. Raz; R. P. Luijten
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Paper Abstract

Based on well-known laws of physics, a lower bound on the energy-per-bit required for transmitting information using a photonic channel is established. The analysis includes the energy required to convert information from the electronic to the photonic domain and back. We investigate links that employ a directly modulated laser as well as links that employ an external modulator. It is shown that the power dissipation of the channel also imposes a bound on the maximum bandwidth density for a photonic link. Keeping this in mind, opportunities for optics in computing systems are discussed, especially from a systems perspective.

Paper Details

Date Published: 2 February 2012
PDF: 11 pages
Proc. SPIE 8267, Optoelectronic Interconnects XII, 82670W (2 February 2012); doi: 10.1117/12.913881
Show Author Affiliations
H. J. S. Dorren, Technische Univ. Eindhoven (Netherlands)
P. Duan, Technische Univ. Eindhoven (Netherlands)
O. Raz, Technische Univ. Eindhoven (Netherlands)
R. P. Luijten, IBM Research GmbH (Switzerland)

Published in SPIE Proceedings Vol. 8267:
Optoelectronic Interconnects XII
Alexei L. Glebov; Ray T. Chen, Editor(s)

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