Optimise the Gain of Optical Signal by SOA with Saturated ASE and Unsaturated ASE
نویسنده
چکیده
Optical Amplifiers are essentials components in long haul fibre optic system. An amplifier is a electronic device that can increase the power of signal. An Optical Amplifier is effectively the opposite of attenuator while Optical Amplifiers provide gain and attenuator provides loss. When a signal travels in a optical fibre medium the signal suffer from various losses such as fibre losses, attenuation losses, fibre splice losses, reduce these loses use the Semiconductor method with saturated and unsaturated Amplified Spontaneous Emission. It reduces the phase shift and recover original signal. Keywords— Optical fibre communication, Optical Amplifiers, SOA, Self-Phase Modulation, Amplified Spontaneous Emission.
منابع مشابه
Theoretical and experimental study of fundamental differences in the noise suppression of high-speed SOA-based all-optical switches.
We identify a fundamental difference between the ASE noise filtering properties of different all-optical SOA-based switch configurations, and divide the switches into two classes. An in-band ASE suppression ratio quantifying the difference is derived theoretically and the impact of the ASE filtering on the optical spectrum is verified experimentally using a hybrid DISC setup. ASE power suppress...
متن کاملSelf-Phase Modulation in Semiconductor Optical Amplifiers
This paper presents a detailed theoretical and experimental study of the impact of amplified spontaneous emission (ASE) on self-phase modulation in semiconductor optical amplifiers (SOAs). A theoretical model of pulse propagation in SOAs is developed that includes the ASE power and its effect on gainsaturation and gain-recovery. We study the impact of ASE on the nonlinear phase shift, frequency...
متن کاملOptimum Pumping Configuration for L-band EDFA incorporating Selective Wavelength Auxiliary ASE from C-band EDFA
We present a thorough investigation of the optimum pumping configuration for L-band EDFA in order to maximize signal gain and minimize noise figure with forward and backward ASE pumping, by incorporating the selective property of the pump wavelength band from C-band EDFA section. A simulation of three-level rate equation has been carried out using 980 nm primary pump, 1570 nm as Lband signal wa...
متن کاملAnalysis of Noise Effects in Long Semiconductor Optical Amplifiers
In this letter, we address one of the essential processes to consider in long Semiconductor Optical Amplifiers (SOAs) analysis, which is the noise. Particularly, we investigate the impact of noise effects on the SOA behavior by measuring the gain, the optical signal to noise ratio and the noise figure, referring to numerical simulations. Although its gain dynamics provide very attractive featur...
متن کاملSpectral broadening in ultrafast semiconductor optical amplifiers induced by gain dynamics and self-phase modulation.
We investigate experimentally the self-phase modulation (SPM) induced by gain dynamics on picosecond pulses in semiconductor optical amplifiers whose gain recovery is enhanced by amplified spontaneous emission (ASE). The observed pulse spectra are highly asymmetric at low drive currents but become more symmetric with increasing current, owing to the ASE-induced reduction in the gain-recovery ti...
متن کامل