Free-space interconnects for high-performance optoelectronic switching

Guilfoyle, Peter S.; Hessenbruch, John M.; Stone, Richard V.

doi:10.1109/2.652933

Cited by 11 publications

(4 citation statements)

References 8 publications

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“…As a direct consequence of their resistance-free pathways and noisereduced environments, optical systems have the potential to generate less waste heat and so consume less energy per computation step than electronic systems [14]. This has been demonstrated experimentally with general-purpose digital optical processors [38].…”

Section: Energy Efficiencymentioning

confidence: 99%

Optical computing

Woods¹,

Naughton²

2009

Applied Mathematics and Computation

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We consider optical computers that encode data using images and compute by transforming such images. We give an overview of a number of such optical computing architectures, including descriptions of the type of hardware commonly used in optical computing, as well as some of the computational efficiencies of optical devices. We go on to discuss optical computing from the point of view of computational complexity theory, with the aim of putting some old, and some very recent, results in context. Finally, we focus on a particular optical model of computation called the continuous space machine. We describe some results for this model including characterisations in terms of well-known complexity classes.

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Section: Energy Efficiencymentioning

confidence: 99%

Optical computing

Woods¹,

Naughton²

2009

Applied Mathematics and Computation

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“…Many different optical backplane constructions have been suggested and demonstrated, including glass fibers embedded in polymer sheets, polymer light guides [20], lens and mirror systems [21], [22], diffractive optical elements [23], and active pointing with microelectromechanical systems devices. These approaches have focused on demonstrating the viability of an optical platform and not on use in a computer system.…”

Section: Backplanesmentioning

confidence: 99%

Optical interconnects: out of the box forever?

Huang

Sze

Landin

et al. 2003

IEEE J. Select. Topics Quantum Electron.

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Based on a variety of optimization criteria, recent research has suggested that optical interconnects are a viable alternative to electrical interconnects for board-to-board, chip-to-chip, and on-chip applications. However, the design of modern high-performance computing systems must account for a variety of performance scaling factors that are not included in these analyses. We will give an overview of the performance scaling that has driven current computer design, with a focus on architectural design and the effects of these designs on interconnect implementation. We then discuss the potential of optics at each of these interconnect levels, in the context of extant electrical technology.

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“…One promising candidate to satisfy these performance objectives is the optical interconnect. [1][2][3] In a short-distance ͑ Ͻ 1-cm͒ interconnect scheme, the combination of free-space and guided optics was proposed to meet the technology requirements. 3 The lens focuses the light and controls the small beam size to reduce optical crosstalk and coupling losses.…”

Section: Introductionmentioning

confidence: 99%

“…[1][2][3] In a short-distance ͑ Ͻ 1-cm͒ interconnect scheme, the combination of free-space and guided optics was proposed to meet the technology requirements. 3 The lens focuses the light and controls the small beam size to reduce optical crosstalk and coupling losses. A planar focusing element 4 was proposed to facilitate free-space optical signal propagation.…”

Section: Introductionmentioning

confidence: 99%

Design methodology of focusing elements for multilevel planar optical systems in optical interconnects

2009

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We present a simple technique to determine the design parameters of an optical interconnect system that uses integral planar lenses. The technique is based on the ABCD transformation matrix method. This analysis technique is significantly simpler and more efficient than the previously published methods for finding the design parameters and predicting the coupling efficiency of the system. The proposed method is applied to compute the coupling efficiency of singleand two-level optical systems.

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Free-space interconnects for high-performance optoelectronic switching

Cited by 11 publications

References 8 publications

Optical computing

Optical computing

Optical interconnects: out of the box forever?

Design methodology of focusing elements for multilevel planar optical systems in optical interconnects

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