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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Stephen A. Burns
  • Vol. 23, Iss. 7 — Jul. 1, 2006
  • pp: 1787–1795

Trade-offs between lens complexity and real estate utilization in a free-space multichip global interconnection module

Predrag Milojkovic, Marc P. Christensen, and Michael W. Haney  »View Author Affiliations


JOSA A, Vol. 23, Issue 7, pp. 1787-1795 (2006)
http://dx.doi.org/10.1364/JOSAA.23.001787


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Abstract

The FAST-Net ( F ree-space A ccelerator for S witching T erabit Net works) concept uses an array of wide-field-of-view imaging lenses to realize a high-density shuffle interconnect pattern across an array of smart-pixel integrated circuits. To simplify the optics we evaluated the efficiency gained in replacing spherical surfaces with aspherical surfaces by exploiting the large disparity between narrow vertical cavity surface emitting laser (VCSEL) beams and the wide field of view of the imaging optics. We then analyzed trade-offs between lens complexity and chip real estate utilization and determined that there exists an optimal numerical aperture for VCSELs that maximizes their area density. The results provide a general framework for the design of wide-field-of-view free-space interconnection systems that incorporate high-density VCSEL arrays.

© 2006 Optical Society of America

OCIS Codes
(080.1010) Geometric optics : Aberrations (global)
(200.2610) Optics in computing : Free-space digital optics
(200.4650) Optics in computing : Optical interconnects

ToC Category:
Optical Computing

History
Original Manuscript: August 26, 2005
Revised Manuscript: December 14, 2005
Manuscript Accepted: December 16, 2005

Citation
Predrag Milojkovic, Marc P. Christensen, and Michael W. Haney, "Trade-offs between lens complexity and real estate utilization in a free-space multichip global interconnection module," J. Opt. Soc. Am. A 23, 1787-1795 (2006)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-23-7-1787


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References

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