Wavelength selective devices for WDM communication systems

Authors:
Lech Wosinski;Ning Zhu;Zhechao Wang
Affiliations:
Royal Institute of Technology KTH, School of Information and Communication Technology, Kista, Sweden;Royal Institute of Technology KTH, School of Information and Communication Technology, Kista, Sweden;Royal Institute of Technology KTH, School of Information and Communication Technology, Kista, Sweden
Venue:
ANTS'09 Proceedings of the 3rd international conference on Advanced networks and telecommunication systems
Year:
2009

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Abstract

Depending on the application in optical communication systems different wavelength division multiplexing devices are used to increase network capacity by allowing several wavelength channels to be transmitted by one fiber, to add or drop different wavelength channels or to separate or put together channels carrying different services. Depending on the application such devices can have wide, coarse or dense channel spacing. Furthermore they can handle different number of channels. In this paper we present some of such devices, their functionality, structures and fabrication technologies.