NDLI: Numerical Study of Cascadability Performance of Continuous Spectrum Wavelength Blocker/Selective Switch at 10/40/160 Gb/s

Content Provider	IEEE Xplore Digital Library
Author	Sygletos, S. Tzanakaki, A. Tomkos, I.
Copyright Year	1989
Abstract	Wavelength selective switches (WSS) and wavelength blockers (WB) are crucial elements in reconfigurable optical add-drop multiplexers and cross-connect nodes. For the "continuous spectrum" WB/WSS (CS-WB/WSS), the overall filtering passband of the WSS device can be adjusted in a quasi-continuous way by grouping two or more adjacent pixels offering enhanced switching flexibility at arbitrary channel spacing or multiline rates. However, loss and group delay ripples appear at each slot boundary causing degradations to the transmitted signal. In this paper, a system perspective analytical model has been developed. Through this model and detailed simulation studies, the relative impact of each imperfection on the overall cascadability performance of the WB/WSS is investigated. Different switching scenarios at various line rates (10, 40, and 160 Gb/s) have been considered and the corresponding specifications for the WSS device have been identified
Sponsorship	IEEE Lasers and Electro-Optics Society
Starting Page	2608
Ending Page	2610
Page Count	3
File Size	172276
File Format	PDF
ISSN	10411135
Volume Number	18
Issue Number	24
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-12-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical switches Optical filters Optical add-drop multiplexers Filtering Passband Channel spacing Optical losses Propagation losses Delay Degradation wavelength- division multiplexing (WDM) optical switches
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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