Results 251 to 260 of about 5,951 (304)

Novel multi-temperature photoacoustic dynamics in nanoscale hydro-semiconductors under variable thermal conductivity. [PDF]

Sci Rep
Kamel A, El-Sapa S, El-Bary AA, Lotfy K.
europepmc   +1 more source

Characterizing Emerging Detector Materials for Low-Dose X-Ray Imaging. [PDF]

Adv Mater
Sakhatskyi K, Bartosh V, Zhou Y, Matt GJ, Zhao J, Yakunin S, Huang J, Kovalenko MV.   +7 more
europepmc   +1 more source

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Semiconductor optical amplifiers

Proceedings of the IEEE, 1992
Reviews some of the recent advances in semiconductor laser amplifiers and highlights some of the device and system issues connected with the use of optical amplifiers. Particular attention is given to noise properties, system applications (i.e. in-line amplifiers, power amplifiers, and receiver preamplifiers), and nonlinear effects.
N A Olsson
exaly   +2 more sources

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

exaly   +2 more sources

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
openaire   +2 more sources

Semiconductor Optical Amplifiers

Conference Proceedings LEOS'96 9th Annual Meeting IEEE Lasers and Electro-Optics Society, 2002
Polarization insensitive semiconductor amplifiers are important devices for many applications. Their small size, high-gain, and ability to be turned on and off fast offer interesting possibilities for photonic switches. We have used a design to implement polarization insensitivity.
J.-M. Verdiell, M. Ziari, A. Mathur
  +4 more sources

Organic Semiconductor Optical Amplifiers

Proceedings of the IEEE, 2009
Organic semiconducting materials have been researched for novel optoelectronic devices due to their efficient light emission and high gain properties. Such devices range from organic light-emitting diodes and solar cells to lasers and amplifiers. This paper explores the research carried out on one of these devices: organic semiconductor amplifiers that
Dimali Amarasinghe, Arvydas Ruseckas, Graham A. Turnbull, Ifor D. W. Samuel   +3 more
openaire   +1 more source

semiconductor optical amplifiers

SPIE Newsroom, 1990
Semiconductor laser amplifiers have now proved their ability to improve the performance of single-mode fiber communication systems, at least in the laboratory stage. After a brief background review of optical amplification in communication systems, the principle of operation and main device characteristics of semiconductor optical amplifiers are ...
openaire   +1 more source

Reflective Semiconductor Optical Amplifiers in passive optical networks

2009 14th OptoElectronics and Communications Conference, 2009
Reflective Semiconductor Optical Amplifiers (RSOAs) offer a cost effective wavelength agnostic transmitter for applications within wavelength division multiplexed passive optical networks (WDM PONs) obviating the need for tuneable or fixed laser sources at customer premises.
Michie, C., Andonovic, I., Kelly, A.E.
openaire   +4 more sources