Download PDF by Hans Jorg Thiele, Marcus Nebeling: Coarse Wavelength Division Multiplexing: Technologies and

By Hans Jorg Thiele, Marcus Nebeling

ISBN-10: 0849335337

ISBN-13: 9780849335334

Explaining what CWDM is, the way it is completed, and why it may be deployed, Coarse Wavelength department Multiplexing: applied sciences and functions merges insurance of remoted features of Coarse Wavelength department Multiplexing (CWDM) usually came upon as device-related or particular process subject matters. Emphasizing fee reductions and function enhancement, the publication integrates details on part concerns, method architectures, strategies for extensions and improvements, in addition to functional functions right into a finished, single-volume resource.Beginning with a precis of the ITU-T criteria defining CWDM, the ebook addresses the 3 crucial part periods, optical fibers, transceivers, and WDM filters, which mix to shape the root for the CWDM transmission hyperlink. the subsequent chapters contain insurance of other architectures reminiscent of hubbed earrings and meshed networks, and improve paths to beat obstacles of present CWDM platforms. The ebook outlines the feasibility of optically amplified CWDM structures, investigates the demanding situations current with high-speed CWDM and bidirectional transmission, and eventually elucidates the significance of CWDM for quite a lot of functions. each one bankruptcy presents adequate details for use independently and comprises references to appropriate papers and articles for extra learn. The final sections of the booklet specialize in functions and case experiences the place CWDM performs an ever-increasing function. They comprise large stories on networking, achieve extension via amplification, and the newest thoughts of transmission skill enhancements utilizing elevated bit-rates or new channel plans. jam-packed with functional info, the publication offers a transparent knowing of contemporary advancements within the dynamic box of CWDM.

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Additional info for Coarse Wavelength Division Multiplexing: Technologies and Applications (Optical Science and Engineering)

Sample text

4 FTTx approaches — from FTTCab/C to FTTH/U. P2P and P2MP concept for FTTx. Active and passive access networks. A PON model. 5 TDM downstream and TDMA upstream in TDM-PON. 6 Single fiber bidirectional transmission using one single fiber. 7 Network overlay combining CWDM and the TDM-PON. 8 Central office design using the single-fiber and double-fiber approach. 9 Outside plant for distribution using demultiplexer and power splitter. 10 Two different ONU designs. 11 Spectrum of an upgrade for a 2-channel legacy network using a CWDM multi-wavelength extension.

The black box approach is important because it allows system designers to make the trade-offs with attenuation at different wavelengths combined with the multiplexer/demultiplexer loss at each wavelength. This enables designers to optimize the system for maximum reach, compact size, and improved thermal performance. Because of its “plug-and-play” nature, a system that uses the black link approach can eliminate the need for detailed optical engineering by the network operator, making it easy to reliably deploy and use CWDM technology.

9 MUX/DEMUX scaling from 1 to 16 wavelengths for full-spectrum CWDM. 10 Node with OADM connected Ethernet switch. 10. 12 Transparency between signals with different protocols. At the far end, not shown in this figure, is a DEMUX that separates the wavelengths after transmission with the individual protocol traffic unaffected by the other signals in the same path. 13 Path to extended storage networks with CWDM: (a) single fiber connection, (b) two channels, and (c) three channels multiplexed. 14 SONET link with a single wavelength at 1310 nm.

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Coarse Wavelength Division Multiplexing: Technologies and Applications (Optical Science and Engineering) by Hans Jorg Thiele, Marcus Nebeling

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