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Cross-channel interference due to wavelength switching events in wavelength packed switched WDM networks

Connolly, Eoin M. and Kaszubowska-Anandarajah, Aleksandra and Barry, Liam P. and Dunne, J. and Mullane, T. and McDonald, David (2006) Cross-channel interference due to wavelength switching events in wavelength packed switched WDM networks. Optics Communications, 267 (1). pp. 88-91. ISSN 0030-4018

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An important characteristic of tunable lasers, that may affect system performance, is that they can generate light at various wavelengths as they tune between different wavelength channels. These spurious components could cause severe cross-channel interference if the tunable laser is used in a WDM network. In this paper, we investigate the effect of such interfering signals, generated by up to three tunable lasers during a switching event, on the BER of a data channel transmitted on the same wavelength as the spurious components. The results show that it is vital to attenuate the output of tunable lasers during their wavelength transition in order to prevent system performance degradation.

Item Type:Article (Published)
Uncontrolled Keywords:Optical networks; Tunable lasers; Wavelength division multiplexing; Cross-channel interference;
Subjects:Engineering > Optical communication
Physical Sciences > Lasers
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Engineering and Computing > School of Electronic Engineering
Research Initiatives and Centres > Research Institute for Networks and Communications Engineering (RINCE)
Official URL:
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
ID Code:134
Deposited On:16 Jan 2008 by DORAS Administrator. Last Modified 20 Feb 2017 16:53

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