Wavelength division multiplexed add/drop ring technology in corporate backbone networks

Gian-Luca Bona; Wolfgang Denzel; Bert J. Offrein; Roland Germann; Huub W. Salemink; Folkert Horst

doi:10.1117/1.601997

1 December 1998 Wavelength division multiplexed add/drop ring technology in corporate backbone networks

Gian-Luca Bona, Wolfgang Denzel, Bert J. Offrein, Roland Germann, Huub W. Salemink, Folkert Horst

Optical Engineering, Vol. 37, Issue 12, (December 1998). https://doi.org/10.1117/1.601997

The Corporate Optical Backbone Network (COBNET) project is a joint research project within the ACTS program of the European Commission. The COBNET consortium is considering the use of advanced optical networking technologies for the backbones of future corporate networks. In particular, multichannel add/drop ring networks based on wavelength division multiplexing (WDM) as well as on optical space-division multiplexing (SDM) technologies are being pursued. An overview is given of the system concept, the device technology, and the demonstration network that was developed within COBNET. The WDM ring option and specifically the related add/drop devices are focused on in more detail. These devices are fabricated in a newly developed highrefractive- index contrast planar silica-on-silicon technology by using silicon-oxynitride (SiON) as the core waveguide material. Compact add/ drop components based on the resonant coupler concept are realized. The filter characteristic can be tailored and tuned by thermo-optic heaters, which enables the selection of any given wavelength out of a series of wavelengths from the WDM ring using the same device.

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Gian-Luca Bona, Wolfgang Denzel, Bert J. Offrein, Roland Germann, Huub W. Salemink, and Folkert Horst "Wavelength division multiplexed add/drop ring technology in corporate backbone networks," Optical Engineering 37(12), (1 December 1998). https://doi.org/10.1117/1.601997

Published: 1 December 1998

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