Combined ASK/FSK and ASK/DPSK modulation formats for optically labeled signals

Sulur, T. Koonen, Idelfonso Tafur Monroy, J. Jennen, H. de Waardt, G. Morthier

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

Abstract

A novel two-level optical labeling method for highly efficient transport of IP packets through WDM networks is proposed. By assigning both a wavelength label and a labeling DPSK or FSK format (orthogonal to the ASK format of the data payload), packets can be routed transparently through end-to-end optical paths. The design of a dual-label controlled optical router is presented, which features label swapping and multicasting. Key element for the label swapping is an optically integrated wavelength converter. The performance of combined ASK/DPSK and ASK/FSK modulation formats is analyzed and compared. In comparison with the combined ASK/DPSK modulation formats, the combined ASK/FSK modulation format is easier to implement and it tolerates a much larger laser line-width, but also requires a more careful fiber dispersion compensation in order to reduce the impact of the phase-to-intensity conversion. This work is part of the new IST project STOLAS - Switching Technologies for Optically Labeled Signals.
Original languageEnglish
Title of host publicationNEXT GENERATION OPTICAL NETWORK DESIGN AND MODELLING
EditorsA. Bianco, F. Neri
Number of pages14
Volume114
Publication date2003
Pages433-446
ISBN (Print)1-4020-7371-2
Publication statusPublished - 2003
Externally publishedYes
Event6th Working Conference on Optical Network Design and Modelling - Turin, Italy
Duration: 4 Feb 20026 Feb 2002

Conference

Conference6th Working Conference on Optical Network Design and Modelling
Country/TerritoryItaly
CityTurin
Period04/02/200206/02/2002
SeriesINTERNATIONAL FEDERATION FOR INFORMATION PROCESSING
Volume114
ISSN1571-5736

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