Demonstration of output-port contention resolution in a WDM switching node based on all-optical wavelength shifting and subcarrier-multiplexed routing-control headers

Author

Shieh, W. ; Park, E. ; Willner, A.E.

Author_Institution

Dept. of Electr. Eng., Univ. of Southern California, Los Angeles, CA, USA

Volume

9

Issue

7

fYear

1997

fDate

7/1/1997 12:00:00 AM

Firstpage

1023

Lastpage

1025

Abstract

We demonstrate near-error-free output-port contention resolution in a WDM switching node based on all optical wavelength shifting. Contention between incoming 1-Gb/s data packets is resolved in real-time by comparing subcarrier-multiplexed control headers on 2 input ports and then all-optically wavelength-shifting one input signal to a free wavelength if contention occurs. Additionally, the 50-Mb/s subcarrier header itself is replaced and updated with new routing information.

Keywords

optical communication equipment; optical fibre networks; subcarrier multiplexing; telecommunication network routing; wavelength division multiplexing; 1 Gbit/s; 50 Gbit/s; Gb/s data packets; Mb/s subcarrier header; WDM switching node; all optical wavelength shifting; all-optical wavelength shifting; all-optically wavelength-shifting; contention; free wavelength; input ports; input signal; near-error-free output-port contention resolution; output-port contention resolution; real-time; routing information; subcarrier-multiplexed control headers; Baseband; High speed optical techniques; Optical buffering; Optical fiber networks; Semiconductor optical amplifiers; Signal resolution; Throughput; WDM networks; Wavelength division multiplexing; Wavelength routing;

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/68.593387

Filename

593387