Rare-Earth-Doped Fiber Lasers and Amplifiers, Revised and Expanded
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This text examines the current technology of rare earth doped fibres, the laser sources and amplifiers made with these fibres, and fibre communication systems incorporating erbium-doped fibre amplifiers. The book: covers fibre fabrication techniques, basic spectroscopy and optical properties of rare earth in glasses and analytical models of fibre lasers and amplifiers; describes the main passive fibre components used in the fabrication of more elaborate fibre laser devices and systems; discusses the properties of Nd-doped and Er-doped fibre lasers operated as continuous wave, Q-switched and mode-locked sources; reviews the tunability and single frequency operation of fibre laser sources, as well as broadband fibre sources; includes an extensive review of fibre lasers based on rare earth doped fluoride fibres; and treats the main fibre-based systems using erbium-doped fibre amplifiers that have been demonstrated, including long-haul experimental communication systems and local area networks for TV and computers. The text contains over equations, figures and tables. Praise for the first edition. It is written by acknowledged experts in the field covering everything from basic physics to system applications. Each chapter can be read independently and in application to a postgraduate or final year undergraduate teaching course this is a bonus.
In this context, a compromise has to be found between the concentration of Erbium and the glass composition. In this work, we investigate the concept of smart doping via material nanostructuring as a way to fabricate more efficient optical devices. This approach aims at optimizing the glass composition of the fiber core in order to use the minimal content of glass modifiers needed to reach the suited level of performances for EDFA. Structural and optical characterizations of NP-doped preforms and optical fibers drawn from such preforms demonstrate the interest of this approach for small concentrations of aluminum in comparison to similar glass compositions obtained by a conventional technique. Since the mids, EDFAs used in the context of long-haul transmission have proven their capacity to amplify efficiently and simultaneously several signal wavelengths. Today, they are deployed in very high data rate transmission systems with up-to-date modulation formats and detection techniques [ 1 , 2 ].
Many applications, including laser projection displays, reprographics, optical data storage, semiconductor manufacture and inspection, biology, and medicine benefit from the availability of completely solid state lasers operating in the visible and ultraviolet UV spectral regions.
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ISBN 13: 9780824787851
What is ERBIUM?
EDFA 30dBm Erbium-doped Fiber Amplifier Booster Amplifier