Paper
3 June 2002 Emerging technologies for chip-level optical interconnects
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Abstract
Interconnect bottleneck in emerging integrated circuitry (IC) has generated a need for alternative signal transmission solutions, such as optical technologies, in chip-level applications. The present paper discusses target parameters for chip-level optical interconnects (CLOIs) that yield superior performance starting with the 70 nm IC node, and possibly extending down to the 25-15 nm node. The benefits and disadvantages of various CLOI system and component solutions are reviewed. In particular, this paper discusses critical fundamental and technological challenges that need resolution to enable massively parallel CLOI links with a total throughput of 10-25 Tb/s, reduced power consumption in comparison with electrical wires, and enhanced density. Recent results from the presenting authors are summarized with an emphasis on CLOI specific solutions. These results include the development of InAs quantum dot gain medium to increase the operating temperature of laser arrays above that of Si ICs. Controllable routing of VCSEL- emitted beams is carried out through a microsystem-based reconfigurable free-space interconnect system which employs optical diffractive or reflective structures. This work also explores a novel hybrid integration protocol that allows self-aligned bonding of massive arrays of III-V components to Si electronics, and ensures low thermal budget and reduced stress.
© (2002) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Serge Oktyabrsky, James Castracane, and Alain E. Kaloyeros "Emerging technologies for chip-level optical interconnects", Proc. SPIE 4652, Optoelectronic Interconnects, Integrated Circuits, and Packaging, (3 June 2002); https://doi.org/10.1117/12.469568
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Cited by 14 scholarly publications.
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KEYWORDS
Silicon

Vertical cavity surface emitting lasers

Gallium arsenide

Free space optics

Optical interconnects

Waveguides

Light emitting diodes

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