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WDM Technologies: Passive Optical Components

Edited by Achyut K. Dutta, Edited by Niloy K. Dutta, Edited by Masahiko Fujiwara

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Internet information (which is doubling every six months) travels through optical fibres. Today, optical fibres are being installed where a single fibre has the ability to carry information as much as 200 times faster than was possible just five years before. This revolutionary capability is being achieved with technology known as wavelength division multiplexing (WDM). WDM technology relies on the fact that optical fibres can carry many wavelengths of light simultaneously without interaction between each wavelength. Thus, a single fibre can carry many separate wavelength signals or channels simultaneously. The communications industry is at the onset of new expansion of WDM technology necessary to meet the new demand for bandwidth.;This volume helps the reader to choose the right device for a given system application and provides insight and understanding for key passive optical components. It aims to allow engineers working in optical communications to understand the principle and mechanics of each key component they deal with for optical system design. It also covers planar lightwave circuit (PLC) based router, different optical switches technologies (based on MEMS, thermo-optic

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