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refers to any system of transmitting signals from one part of an integrated circuit to another using light. Optical interconnects have been the topic of study due to the high latency and power consumption incurred by conventional metal
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which severely limits the rise time of signals when the dimension of the wires are scaled down. Optical solution are used to transmit signals through long distances to substitute interconnection between dies within the
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However, there are still many technical challenges in implementing dense optical interconnects to silicon CMOS chips. These challenges are listed as below:
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David A. B. Miller, ‘Rationale and
Challenges for Optical Interconnects to Electronic Chips’, Proceedings of the IEEE, Vol. 88, No. 6, June 2000
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in transmitting electrical signals over long distances, such as in interconnects classed as
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Optical interconnections can provide benefits over conventional metal wires which include:
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This article is about optical interconnects in integrated circuits. For other uses, see
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Distance independence of performance of optical interconnects
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Receiver circuits and low-capacitance integration of
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etc.) and the electronic parts together effectively.
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Problems of the current interconnect in the package
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International
Technology Roadmap for Semiconductors
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445:Evolutionary improvement in optoelectronic devices
395:Reduction of power and area for clock distribution
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372:Conventional physical metal wires possess both
457:Temperature dependencies and process variation
61:Learn how and when to remove these messages
384:Benefits of using optical interconnection
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260:Learn how and when to remove this message
158:Learn how and when to remove this message
316:In electrical interconnects, nonlinear
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488:References
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250:March 2019
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