Abstract
It is an accepted fact that process scaling and operating frequency both contribute to increasing integrated circuit power dissipation due to interconnect. Extrapolating this trend leads to a red brick wall which only radically different interconnect architectures and/or technologies will be able to overcome. The aim of this chapter is to explain how, by exploiting recent advances in integrated optical devices, optical interconnect within systems on chip can be realised. We describe our vision for heterogeneous integration of a photonic “above-IC” communication layer. Two applications are detailed: clock distribution and data communication using wavelength division multiplexing. For the first application, a design method will be described, enabling quantitative comparisons with electrical clock trees. For the second, more long-term, application, our views will be given on the use of various photonic devices to realize a network on chip that is reconfigurable in terms of the wavelength used.
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O’Connor, I., Gaffiot, F. (2004). On-Chip Optical Interconnect for Low-Power. In: Macii, E. (eds) Ultra Low-Power Electronics and Design. Springer, Boston, MA. https://doi.org/10.1007/1-4020-8076-X_2
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DOI: https://doi.org/10.1007/1-4020-8076-X_2
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4020-8075-3
Online ISBN: 978-1-4020-8076-0
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