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1st international Workshop on massively parallel processing using optical interconnections, MPPOI 1994

作者： Grebel, H. Tsay, S.C. Optical Waveguide Laboratory Electrical and Computer Engineering Department New Jersey Institute of Technology NewarkNJ07102 United States

We introduce a new type of planar optical interconnect;the transverse holographic waveguides. With this type of interconnect, one dimensional, input light distribution is converted into a one dimensional output light ... 详细信息

ISBN: (纸本)0818658320

关键词： Holography

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Design of a terabit free-space photonic backplane for parallel computing

Design of a terabit free-space photonic backplane for parall...

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Proceedings of the 2nd international conference on massively parallel processing using optical interconnections (MPPOI'95)

作者： Szymanski, Ted Hinton, H.Scott Univ of Colorado at Boulder Boulder United States

The design of a terabit free-space photonic backplane for parallel computing and communications is described. The backplane consists of a large number of parallel reconfigurable optical channels spaced a few hundred microns apart. The parallel channels are organized as a unidirectional ring and the channel access protocols are implemented by smart pixel arrays. Smart pixel arrays are integrated opto-electronic devices with optical I/O and with electronic processing capabilities. The design of a 32×32 smart pixel array which supports multiple reconfigurable broadcast channels and interfaces between tens of Gb/s of electrical data and hundreds of Gb/s of optical data is proposed. The photonic backplane interconnects 32 Printed Circuit Boards (PCBs) and has a bisection bandwidth of 1 terabit/sec (Tb/s), with each PCB receiving a bandwidth of 32 Gb/s. The backplane can be dynamically reconfigured to support 1024 broadcast channels at 1 Gb/s, 32 broadcast channels at 32 Gb/s, or many intermediate values. The backplane can also embed arbitrary graphs, including meshes, hypercubes, shuffles, etc. Smart pixel arrays are currently being fabricated using AT&T's Hybrid-SEED process, and a demonstration of the architecture interconnecting 4 PCBs is planned for the fall of 1995.

关键词： optical interconnects

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optical thyristor based subsystems for digital parallel processing: Demonstrators and future perspectives

Optical thyristor based subsystems for digital parallel proc...

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Proceedings of the 2nd international conference on massively parallel processing using optical interconnections (MPPOI'95)

作者： Thienpont, Hugo Kirk, Andrew Veretennicoff, Irina Heremans, Paul Knupfer, Bernhard Borghs, Gustaaf Kuijk, Maarten Vounckx, Roger Vrije Universiteit Brussel Brussels Belgium

In this paper we study the practical implementation of arrays of differential pairs of optical thyristors in systems and demonstrate some basic functionalities as a first step towards the construction of a primitive digital parallel optical processor. We demonstrate element to element digital optical data transcription between single elements at 0.5 MHz. This is a lower data rate than the 50 MHz demonstrated for transcription between neighbouring elements on a single wafer but is due to the fact that we employ an optical system which allows plane to plane imaging with a wider field of view but lower efficiency. This allows us to demonstrate transcription between 8×8 arrays of elements with a channel data rate of 50 kHz. By using a compact optical system which combines large diameter GRIN lenses with Fourier plane diffractive optics we are able to implement a system with three cascaded thyristor stages with an element to array fan-out of 3. Moreover we demonstrate digital optical logic NAND, NOR, AND and OR operations at a speed of 160 kHz. Finally we investigate system scalability.

关键词： optical communication

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SIMPil: An OE integrated SIMD architecture for focal plane processing applications

SIMPil: An OE integrated SIMD architecture for focal plane p...

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Proceedings of the 1996 3rd international conference on massively parallel processing using optical interconnections, MPPOI'96

作者： Cat, Huy H. Gentile, Antonio Eble, John C. Lee, Myunghee Vendier, Olivier Joo, Young Joong Wills, D.Scott Brooke, Martin Jokerst, Nan Marie Brown, April S. Georgia Inst of Technology Atlanta United States

Focal plane processing applications present a growing computing need for portable telecomputing and videoputing systems. This paper demonstrates the integration of digital processing, analog interface circuitry, and thin film OE devices into a compact computing package. The SIMPil architecture provides a programmable, silicon efficient SIMD processor for effective execution of early image processing applications such as edge detection, convolution, and compression. Results from a demonstration SIMPil node are presented including its microarchitecture, and performance on image processing applications.

关键词： parallel processing systems

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Considerations for optoelectronic shared cache parallel computers 1

Considerations for optoelectronic shared cache parallel comp...

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1st international Workshop on massively parallel processing using optical interconnections, MPPOI 1994

作者： Cheng, L. Sawchuk, A.A. Department of Engineering Texas Christian University P. O. Box 5100 Fort WorthTX76129 United States Signal and Image Processing Institute University of Southern California Los AngelesCA90089-2564 United States

ISBN: (纸本)0818658320

We discuss the selection and use of optoelectronic devices in parallel computers to increase the effective processing rate. The coherence problem of keeping consistent copies of data in all caches is resolved by using shared optoelectronic cache memories. We investigate the architecture, data and signal modulation, memory management, and the its physical implementation. The proposed architecture uses optics for interconnections and electronics for data processing. Thus, it provides high speed and true parallelism. © 1994 IEEE.

关键词： Optoelectronic devices

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massively parallel processing: optical interconnects according to a system to device approach 1

Massively parallel processing: Optical interconnects accordi...

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1st international Workshop on massively parallel processing using optical interconnections, MPPOI 1994

作者： Frietman, E.E.E. Dekker, L. Smit, W. Delft University of Technology Faculty of Applied Physics Lorentzweg 1 Delft2628 CJ Netherlands Electronic Products Group AKZO Electronic Products bv Arnhem Netherlands

ISBN: (纸本)0818658320

Already for a decade, papers have been presented and ideas have been generated to rationalize advantages and disadvantages of electrical over optical and optical over electrical properties. Despite the undisputable success in the Telecommunication area, applications of optical interconnect techniques to the crate-to-crate, node-to-node, chip-to-chip and gate-to-gate level within a massively parallel Computer architecture have still failed to materialize. Questions, such as whether to choose for a serial ultra-high or a parallel moderate data throughput rate, always considering a logic-to-logic approach, are still not adequately answered. An unavoidable number of thresholds a computer manufacturer has to conquer, in case a decision has to be made whether to choose for an electrical or optical solution. An overall system-to-device observation eases in a solution of this dilemma. This paper overviews the R & D exertions of the Opto Electronic Systems & Engineering Group of the Delft University of Technology with respect to the development of an optical Backplane System, enabling a free space data transport in a massively parallel processing environment. © 1994 IEEE.

关键词： optical interconnects

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Proceedings - 5th international conference on massively parallel processing, MPPOI 1998

Proceedings - 5th International Conference on Massively Para...

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5th international conference on massively parallel processing, MPPOI 1998

ISBN: (纸本)0818685727

The proceedings contain 28 papers. The topics discussed include: high-performance electrical signaling;entrepeneurship is a career option;integrated free-space optical interconnects for chip-to-chip communications;optical multi-faceted free-space image distributor for massively parallel processing;translucent smart pixel array (TRANSPAR) chips for high throughput networks and SIMD signal processing;a free space optical crossbar switch using wavelength division multiplexing and vertical-cavity surface emitting lasers;strategies for competitive optical interconnection technologies;opportunities for optical communications in petaflops-scale computing;multicast communication in a class of rearrangeable optical WDM network;optimal routing and channel assignments for hypercube communication on optical mesh-like processor arrays;multicast control in optical circuit-switched banyan networks;performance improvement of parallel processing systems with fully or highly connected optical interconnections over systems with a bus;channel allocation, power budget and bit error rate in hierarchical optical ring interconnection network (HORN);a new analysis for wavelength translation in regular WDM networks;and a high-performance router architecture for multimedia applications.

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Multimedia OC12 parallel interface using VCSEL array to achieve high-performance cost-effective optical interconnections

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Proceedings of SPIE - The international Society for optical Engineering 1996年 2898卷 260-270页

作者： Chang, Edward S. Unisys Corp. Paoli PA USA

ISBN: (纸本)0819422991;9780819422996

The multimedia communication needs high-performance, cost-effective communication techniques to transport data for the fast-growing multimedia traffic resulting from the recent deployment of World Wide Web (WWW), media-on-demand , and other multimedia applications. To transport a large volume, of multimedia data, high-performance servers are required to perform media processing and transfer. Typically, the high-performance multimedia server is a massively parallel processor with a high number of I/O ports, high storage capacity, fast signal processing, and excellent cost-performance. The parallel I/O ports of the server are connected to multiple clients through a network switch which uses parallel links in both switch-to-server and switch-to-client connections. In addition to media processing and storage, media communication is also a major function of the multimedia system. Without a high-performance communication network, a high-performance server can not deliver its full capacity of service to clients. Fortunately, there are many advanced communication technologies developed for networking, which can be adopted by the multimedia communication to economically deliver the full capacity of a high-performance multimedia service to clients. The VCSEL array technology has been developed for gigabit-rate parallel optical interconnections because of its high bandwidth, small-size, and easy-fabrication advantages. Several firms are developing multifiber, low-skew, low-cost ribbon cables to transfer signals form a VCSEL array. The OC12 SONET data-rate is widely used by high-performance multimedia communications for its high-data-rate and cost-effectiveness. Therefore, the OC12 VCSEL parallel optical interconnection is the ideal technology to meet the high-performance low-cost requirements for delivering affordable multimedia services to mass users. This paper describes a multimedia OC12 parallel optical interconnection using a VCSEL array transceiver, a multifiber ribbon c

关键词： optical interconnects

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Design considerations for optical interconnects in parallel computers 1

Design considerations for optical interconnects in parallel ...

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1st international Workshop on massively parallel processing using optical interconnections, MPPOI 1994

作者： Pinkston, Timothy Mark EE-Systems Department University of Southern California Los AngelesCA90035-2562 United States

ISBN: (纸本)0818658320

Communication complexity and latency is a critical problem in multiprocessor systems. A significant portion of communication latency is associated with the interconnect network. Optics has many advantages for achieving low latency, scalable interprocessor communication. This paper identifies significant ways in which optical technology can boost network functionality and performance when key architectural and implementation design issues are considered. A high bandwidth, reconfigurable optical interconnect capable of increased network throughput and optimal processormemory connectivity can result from this approach. © 1994 IEEE.

关键词： optical interconnects

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Low cost 10 Gigabit/s optical interconnects for parallel processing 5

Low cost 10 Gigabit/s optical interconnects for parallel pro...

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5th international conference on massively parallel processing

作者： Kuchta, DM Booth, D Nation, W DeCusatis, C Muszynski, A IBM Corp Thomas J Watson Res Ctr Yorktown Heights NY 10598 USA

ISBN: (纸本)0818685727

Fiber optic links offer several advantages over copper-based links including greater transmission distances, reduced cable and connector bulk and improved electrical isolation yet copper-based links are still the predominant choice for parallel interconnections. The overwhelming disadvantage for fiber optic links to date has been the cost of the technology. The Jitney optical Bus was designed to push the limits of low cost optics while maintaining enough performance for high speed parallel computing. Jitney is a 20 channel (500Mb/s/ch) optical bus packaged in a plastic molded lead frame with a 'snap together' plastic optical coupler The cables use plastic ferrules and large core fiber Manufacturing cost estimates are competitive with copper;and significantly under $100/Gbit/sec, for full duplex, Gigabyte/sec operation. Jitney has been successfully demonstrated in IBM AS/400 and RS6000 Power parallel systems testbeds.

关键词： Manufacture

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