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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 25 — Sep. 1, 2006
  • pp: 6358–6366

Multiscale free-space optical interconnects for intrachip global communication: motivation, analysis, and experimental validation

Michael J. McFadden, Muzammil Iqbal, Thomas Dillon, Rohit Nair, Tian Gu, Dennis W. Prather, and Michael W. Haney  »View Author Affiliations


Applied Optics, Vol. 45, Issue 25, pp. 6358-6366 (2006)
http://dx.doi.org/10.1364/AO.45.006358


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Abstract

The use of optical interconnects for communication between points on a microchip is motivated by system-level interconnect modeling showing the saturation of metal wire capacity at the global layer. Free-space optical solutions are analyzed for intrachip communication at the global layer. A multiscale solution comprising microlenses, etched compound slope microprisms, and a curved mirror is shown to outperform a single-scale alternative. Microprisms are designed and fabricated and inserted into an optical setup apparatus to experimentally validate the concept. The multiscale free-space system is shown to have the potential to provide the bandwidth density and configuration flexibility required for global communication in future generations of microchips.

© 2006 Optical Society of America

OCIS Codes
(200.4650) Optics in computing : Optical interconnects
(220.4000) Optical design and fabrication : Microstructure fabrication
(220.4830) Optical design and fabrication : Systems design

History
Original Manuscript: December 1, 2005
Revised Manuscript: May 1, 2006
Manuscript Accepted: May 21, 2006

Citation
Michael J. McFadden, Muzammil Iqbal, Thomas Dillon, Rohit Nair, Tian Gu, Dennis W. Prather, and Michael W. Haney, "Multiscale free-space optical interconnects for intrachip global communication: motivation, analysis, and experimental validation," Appl. Opt. 45, 6358-6366 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-25-6358

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