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Optical amplifiers play a central role in all categories of fibre communications systems and networks. By compensating for the losses exerted by the transmission medium and the components through which the signals pass, they reduce the need for expensive and slow optical-electrical-optical conversion. The photonic gain media, which are normally based on glass- or semiconductor-based waveguides, can amplify many high speed wavelength division multiplexed channels simultaneously. Recent research has also concentrated on wavelength conversion, switching, demultiplexing in the time domain and other enhanced functions. Advances in Optical Amplifiers presents up to date results on amplifier performance, along with explanations of their relevance, from leading researchers in the field. Its chapters cover amplifiers based on rare earth doped fibres and waveguides, stimulated Raman scattering, nonlinear parametric processes and semiconductor media. Wavelength conversion and other enhanced signal processing functions are also considered in depth. This book is targeted at research, development and design engineers from teams in manufacturing industry, academia and telecommunications service operators.

Optical amplifiers. --- Amplifiers, Optical --- Light amplifiers --- Optoelectronic devices --- Laser physics

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With the explosion of information traffic, the role of optical amplifiers becomes very significant in fulfilling the demand of faster optical signals and data processing in the field of communication. This book covers different advanced functionalities of optical amplifiers as well as their emerging applications in optical communication networks. The first chapter deals with an efficient and validated time-domain numerical modelling of semiconductor optical amplifiers (SOAs) and SOA-based circuits, while the second chapter is based on the working of gallium nitride-based semiconductor optical amplifiers. The role of SOAs for the next generation of high-data-rate optical packet-switched network is presented in Chapter 3. Chapter 4 covers the all-optical semiconductor optical amplifier based on quantum dots (QD-SOA) and its function as an arithmetic processor. In Chapter 5, the authors have presented the role of SOAs in intensity modulation of the optical pulses and their use in deterministic timing jitter and peak pulse power equalization analysis. In Chapter 6, the investigation of broadband S-band to L-band erbium-doped fibre amplifier (EDFA) module is presented, and Chapter 7 includes the optimized design technique of Yb3+/Er3+-codoped phosphate microring resonator amplifiers. All selected chapters are very interesting and well organized, and I hope they will be of great value to postgraduate students, researchers, academics and anyone seeking to understand the advanced functionalities of optical amplifiers in the present scenario.

Optical amplifiers. --- Amplifiers, Optical --- Light amplifiers --- Optoelectronic devices --- Applied optics

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Erbium Fiber Amplifiers is a comprehensive introduction to the increasingly important topic of optical amplification. Written by three Bell Labs pioneers, the book stresses the importance of the interrelation of materials properties, optical properties, and systems aspects of optical fiber amplifiers. All disc-based content for this title is now available on the Web. Key Features* Explains the theory of noise in optically amplified systems in an intuitive way* The book contains a discussion of components used in amplifier fabrication and of the attendant tec

Equipment and Supplies. --- Erbium. --- Optical amplifiers. --- Optical communications. --- Optical communications--Equipment and supplies. Optical amplifiers. Optical fibers. --- Optical fibers. --- Optical communications --- Optical amplifiers --- Optical fibers --- Telecommunications --- Electrical & Computer Engineering --- Engineering & Applied Sciences --- Equipment and supplies --- Equipment and supplies. --- Communications, Optical --- Light communications --- Light guides (Optical fibers) --- Amplifiers, Optical --- Photonics --- Telecommunication --- Fiber optics --- Fibers --- Optical materials --- Optical wave guides --- Light amplifiers --- Optoelectronic devices

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Lasers --- Optical amplifiers --- Optical fibers --- Amplificateurs optiques --- Fibres optiques --- 621.375 --- Light guides (Optical fibers) --- Fiber optics --- Fibers --- Optical materials --- Optical wave guides --- Amplifiers, Optical --- Light amplifiers --- Optoelectronic devices --- Light amplification by stimulated emission of radiation --- Masers, Optical --- Optical masers --- Light sources --- Nonlinear optics --- Optical parametric oscillators --- Amplifiers --- Lasers. --- Optical amplifiers. --- Optical fibers. --- 621.375 Amplifiers