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Titolo:
WAVELENGTH-DIVISION MULTIPLEXING FREE-SPACE OPTICAL INTERCONNECT NETWORKS FOR MASSIVELY-PARALLEL PROCESSING SYSTEMS
Autore:
KAJITA M; KASAHARA K; KIM TJ; NEILSON DT; OGURA I; REDMOND I; SCHENFELD E;
Indirizzi:
NEC RES CORP,34 MIYUKIGAOKA IBARAKI OSAKA 305 JAPAN NEC RES INST PRINCETON NJ 08540
Titolo Testata:
Applied optics
fascicolo: 17, volume: 37, anno: 1998,
pagine: 3746 - 3755
SICI:
0003-6935(1998)37:17<3746:WMFOIN>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
TECHNOLOGY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
22
Recensione:
Indirizzi per estratti:
Citazione:
M. Kajita et al., "WAVELENGTH-DIVISION MULTIPLEXING FREE-SPACE OPTICAL INTERCONNECT NETWORKS FOR MASSIVELY-PARALLEL PROCESSING SYSTEMS", Applied optics, 37(17), 1998, pp. 3746-3755

Abstract

Wavelength-division multiplexing (WDM) techniques provide many advantages for building optical interconnect networks for massively parallelprocessing (MPP) systems. A design for a 1024-channel network for MPPsystems based on the interconnection-cached network with vertical-cavity surface-emitting laser (VCSEL) arrays with one wavelength is described. We then show how a WDM version with four different wavelengths can increase the channel density. We also show how a WDM system can reduce the fan-in loss by a factor of 4. All the VCSEL's in each array are of the same wavelength, while different arrays use different wavelengths. We describe our experimental WDM subsystem containing four VCSELarrays, operating at wavelengths of 843, 950, 970, and 980 nm, and three different WDM tilters for multiplexing-demultiplexing. We present the operational results of the subsystem at 1 Gbit/s per channel. (C) 1998 Optical Society of America.

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Documento generato il 11/07/20 alle ore 14:04:02