Optics in computers, servers, and data centers

H. J. S. Dorren; P. Duan; O. Raz; R. P. Luijten

doi:10.1117/12.913881

2 February 2012 Optics in computers, servers, and data centers

H. J. S. Dorren, P. Duan, O. Raz, R. P. Luijten

Proceedings Volume 8267, Optoelectronic Interconnects XII; 82670W (2012) https://doi.org/10.1117/12.913881
Event: SPIE OPTO, 2012, San Francisco, California, United States

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.

Citation Download Citation

H. J. S. Dorren, P. Duan, O. Raz, and R. P. Luijten "Optics in computers, servers, and data centers", Proc. SPIE 8267, Optoelectronic Interconnects XII, 82670W (2 February 2012); https://doi.org/10.1117/12.913881

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