Optical Switching Networks Using Free-Space Wavelength-Division Multiplexing Interconnections

Shigeru KAWAI  Hisakazu KURITA  Ichiro OGURA  

IEICE TRANSACTIONS on Electronics   Vol.E78-C   No.1   pp.81-84
Publication Date: 1995/01/25
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Ultrafast Optoelectronics)
optical interconnection,  optical switch,  switching networks,  free-space optics,  wavelength-division switch,  

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Wavelength-division multiplexing (WDM) optical switching networks are one of most attractive technologies in optical interconnections. By combining with time-division multiplexing (TDM) and space-division multiplexing (SDM) technologies, remarkably high-throughput interconnections may be accomplished. In this paper, we propose WDM switching networks with time-division multiplexed optical signals by using free-space optics. We also propose novel WDM interconnections, including multiple-wavelength light-sources, optical fibers and wavelength-selectable detectors. We successfully confirmed basic principles for the WDM interconnections.