Results 211 to 220 of about 7,619 (257)

Quantum-Dot Semiconductor Optical Amplifiers

Proceedings of the IEEE, 2007
This paper reviews the recent progress of quantum-dot semiconductor optical amplifiers developed as ultrawideband polarization-insensitive high-power amplifiers, high-speed signal regenerators, and wideband wavelength converters. A semiconductor optical amplifier having a gain of > 25 dB, noise figure of 20 dBm, over the record widest bandwidth of 90
Tomoyuki Akiyama, Mitsuru Sugawara, Yasuhiko Arakawa   +2 more
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Semiconductor optical amplifiers

IEEE Circuits and Devices Magazine, 1989
An overview of semiconductor optical amplifier characteristics and their potential applications is presented. The latter consist of nonregenerative repeaters, optical receiver preamplifiers, power amplifiers and amplifier/modulators, general optical gain blocks, narrowband tunable amplifiers, and bistable amplifiers. >
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Packaging Of Semiconductor Optical Amplifiers

SPIE Proceedings, 1990
Semiconductor optical amplifier packaging is described using a localized cooling soldering approach for attaching and aligning two separate single mode fibers. The alignment process is more critical for amplifiers than for lasers because fiber coupling loss directly reduces any gain achieved by the semiconductor.
Robert A. Boudreau, Joanne S. LaCourse
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Semiconductor Optical Amplifiers

2006
# Basic Concepts # Recombination Mechanisms and Gain # Epitaxial Growth and Amplifier Designs # Low Reflectivity Facet Designs # Amplifier Rate Equations and Operating Characteristics # Photonic Integrated Circuit Using Amplifiers # Functional Properties and Applications # Optical Logic Operations # Optical Logic ...
Niloy K Dutta, Qiang Wang
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Progress in Semiconductor Optical Amplifiers

Optical Amplifiers and Their Applications, 1990
Optical amplifiers are the fundamental building blocks required for the development of future all-optical networks. The elimination of electronic bottlenecks will allow the development of new network architectures which, for example, will enable the realisation of a network that has the flexibility to meet rapid changes in demand for capacity.
M.J. O'Mahony, W.J. Devlin
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Linear Semiconductor Optical Amplifiers

2012
The chapter reviews properties and applications of linear semiconductor optical amplifiers (SOA). Section 12.1 covers SOA basics, including working principles, material systems, structures and their growth. Booster or inline amplifiers as well as low-noise preamplifiers are classified. Section 12.2 discusses the influence of parameters like gain, noise
Bonk, R., Vallaitis, T., Freude, W., Leuthold, J., Penty, R., Borghesani, A., Lealman, I. F.   +6 more
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Applications of semiconductor optical amplifiers

2012 17th Opto-Electronics and Communications Conference, 2012
All-optical processing of phase encoded signals with nonlinear semiconductor optical amplifiers offers potential advantages. As examples, we demonstrate QPSK to 8PSK conversion and decomposition of QPSK to two BPSK outputs at new wavelengths.
R. P. Webb, J. M. Dailey, R. J. Manning
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Modeling of Semiconductor Optical Amplifiers

Journal of Computational Electronics, 2002
We present a tight-binding analysis of the polarization dependence of GaAs δ-strained semiconductors optical amplifiers. We explain how thin strained GaAs layers embedded in a lattice-matched InGaAsP/InGaAs quantum well can be used to achieve polarization insensitive optical amplification.
Andrea Reale, Paolo Lugli
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Semiconductor Optical Amplifiers for FTTx

2007 9th International Conference on Transparent Optical Networks, 2007
Access networking is a hot topic. After Japan and Korea, demand is now picking up also in Europe and the US. After cherry-picking the easy installs, operators find that they could use a power boost in their passive optical networks to reach further out neighbourhoods from their present set of PON central offices.
Leo Spiekman, David Piehler, Pat Iannone, Ken Reichmann, Han-Hyub Lee   +4 more
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Optical bistability in vertical-cavity semiconductor optical amplifiers

Applied Optics, 2006
We present an overview of the properties and applications of optical bistability in vertical-cavity semiconductor optical amplifiers (VCSOAs). The basic physics and analytical models of this optical nonlinearity are discussed. Experimental results obtained from a VCSOA operated in the 850 nm wavelength region are presented.
Pengyue, Wen, Michael, Sanchez, Matthias, Gross, Sadik C, Esener   +3 more
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