Abstract
Traveling-wave equation of the semiconductor optical amplifier is solved analytically in order to study the dynamical properties of the power output in terms of the input parameters that can influence its operation of semiconductor optical amplifier. Power output (number of photons) was calculated as a function of carrier density, input signal, and bias current. Material gain is found for the amplifier at different wavelengths of the input signal. The model investigated the population inversion along the waveguide of the amplifier. The model, which is used in this article, is one of many mathematical models that can be found in literature . The design of semiconductor amplifier in order to predict the operational characteristics can be obtained from its model. The simplicity of our model is in its ability to incorporate with any external stimulus on the amplifier directly in the wave equation. Keywords: SOA, Traveling-wave equation , Numerical simulations.
Highlights
The use of semiconductor optical amplifiers (SOA) is growing in telecom networks
XGM is a novel method for generating ultra-wide band (UWB) monocycle pulses in SOA [3]
A pair of polarity-reversed optical Gaussian pulses was generated at the output of the SOA, to which a Gaussian pulse pump and a continuous-wave probe were applied, and monocycle pulse with a full width at half-maximum of 48 ps and a fractional bandwidth of 188% was generated at the output of a high-speed photodetector [3]
Summary
The use of semiconductor optical amplifiers (SOA) is growing in telecom networks. They are faster, cheaper and smaller than doped fiber amplifiers (DFA) for comparable fiber-tofiber gain, and its technology has matured to the point where commercial devices are available for use in optical communication systems[1]. A multistage interconnection network is determined by the maximum number of internal switching nodes based on commercial SOA switches with polarization-dependent gain [4]. The dependence on both of the packet wavelength and the state of polarization can have a dramatic effect on the optical signal-to-noise ratio degradation due to accumulated amplified spontaneous emission noise with the number of nodes. Numerical simulations based on the traveling-wave and carrier rate equations are carried out by finding tSyntax Error: Unknown character collection 'PDFXC30-Indentity0'. He analytical solutions of these equations independently. Material gain and photon density are the most influenced parameters of the SOA that are normally found in any research activity for the dynamics
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