Dwdm

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  • Topic: Optical fiber, Wavelength-division multiplexing, Synchronous optical networking
  • Pages : 45 (9283 words )
  • Download(s) : 41
  • Published : February 28, 2013
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DWDM

Tutorial

Prerequisite Training

November 15, 2002

DWDM

Prerequisite Training

Trademarks and Copyrights
FNC is a trademark of Fujitsu Network Communications, Inc. (FNC). Alcatel is a registered trademark of Alcatel. 6910 TeraLight is a trademark of Alcatel. Corning is a registered trademark of Corning Corporation DS and SMF-28 are trademarks of Corning Corporation DS is a trademark of Corning E-LEAF is a registered trademark of Corning. Lucent is a trademark of Lucent Corporation. TrueWave Plus, TrueWave RS and TrueWave Classic are registered trademarks of Lucent Corporation SEI PureGuide is a trademark of Sumitomo Electric Industries (SEI) IEEE is a registered trademark of The Institute of Electrical and Electronics Engineers, Incorporated

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All other products or services mentioned in this document are identified by the trademarks, service marks, or product names as designated by the companies that market those products or services or own those marks. Inquiries concerning such products, services, or marks should be made directly to those companies This document and its contents are provided by Fujitsu Network Communications, Inc. (FNC) for guidance purposes only. This document is provided “as is” with no warranties or representations whatsoever, either express or implied, including without limitation the implied warranties of merchantability and fitness for purpose. FNC does not warrant or represent that the contents of this document are error free. Furthermore, the contents of this document are subject to update and change at any time without notice by FNC, since FNC reserves the right, without notice, to make changes in equipment design or components as progress in engineering methods may warrant. No part of the contents of this document may be copied, modified, or otherwise reproduced without the express written consent of FNC.

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Release 1.0, November 15, 2002

DWDM

Table of Contents

Purpose ........................................................................................................................... 1 Objectives ................................................................................................................... 1 Why DWDM? .................................................................................................................. 2 Discrete Transport Channels vs DWDM Transport .................................................... 2 Service Provider Advantages ..................................................................................... 3 Types of Multiplexing ...................................................................................................... 4 Time Division Multiplexing .......................................................................................... 4 Wavelength Division Multiplexing ............................................................................... 5 Varieties of WDM ........................................................................................................ 5 WDM ...................................................................................................................... 5 CWDM .................................................................................................................... 5 DWDM .................................................................................................................... 5 Optical Multiplexing Technology ..................................................................................... 6 Optical Multiplexing Filters .......................................................................................... 6 Thin-Film Filter ....................................................................................................... 6 Fiber Bragg Gratings...
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