Method to improve the noise figure and saturation power in multi-contact semiconductor optical amplifiers: Simulation and experiment

K Carney, R Lennox, R Maldonado-Basilio… - Optics …, 2013 - opg.optica.org
The consequences of tailoring the longitudinal carrier density along the active layer of a
multi-contact bulk semiconductor optical amplifier (SOA) are investigated using a rate …

Impact of bias current distribution on the noise figure and power saturation of a multicontact semiconductor optical amplifier

R Lennox, K Carney, R Maldonado-Basilio, S Philippe… - Optics letters, 2011 - opg.optica.org
We present an experimental investigation of a multicontact semiconductor optical amplifier.
This first-generation device allows for direct control of the carrier density profile along the …

Analysis of noise effects in long semiconductor optical amplifiers

Y Said, H Rezig, A Bouallegue - The Open Optics Journal, 2008 - benthamopen.com
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 …

Noise figure improvement in semiconductor optical amplifiers by holding beam at transparency scheme

A Crottini, F Salleras, P Moreno… - IEEE photonics …, 2005 - ieeexplore.ieee.org
We have studied the noise properties of a semiconductor optical amplifier (SOA) under the
injection of a pump laser. The laser wavelength is set within the transparency region of SOA …

Noise controlled semiconductor optical amplifier based on lateral cavity laser

K Carney, R Lennox, R Maldonado-Basilio, S Philippe… - Electronics letters, 2010 - IET
Experimental characterisation of a novel noise-controlled semiconductor optical amplifier
(NCSOA) is presented. The design utilises grooves etched parallel to the active waveguide …

Noise analysis of conventional and gain-clamped semiconductor optical amplifiers

G Giuliani, D D'Alessandro - Journal of lightwave technology, 2000 - opg.optica.org
We present a numerical study of the noise of conventional and gain-clamped semiconductor
optical amplifiers (SOAs), using a detailed device model. The model makes use of a density …

Time-domain simulation of channel crosstalk and inter-modulation distortion in gain-clamped semiconductor optical amplifiers

X Li, J Park - Optics communications, 2006 - Elsevier
A time-domain model is implemented for gain-clamped semiconductor optical amplifiers (GC-
SOAs) based on a combination of the separated traveling-wave equations and effective …

Characterization of wideband semiconductor optical amplifier: numerical analysis and simulation

AH Beshr, MH Aly - Optical and Quantum Electronics, 2023 - Springer
One of the important devices for developing optical networks is the semiconductor optical
amplifier (SOA). SOAs are utilized in a wide range to accomplish different purposes. In this …

Small-signal analysis of two cascaded semiconductor optical amplifiers in a counterpropagating configuration

A Hamié, A Sharaiha, M Guegan, J Le Bihan… - Optics …, 2008 - Elsevier
In this work, we present a small-signal analysis which reveals its usefulness to explain the
evolution of the optical frequency responses obtained at the outputs of two-cascaded …

Effective alpha factor in bulk semiconductor optical amplifiers of different lengths

L Occhi, R Scollo, L Schares… - LEOS 2001. 14th Annual …, 2001 - ieeexplore.ieee.org
We presented and discussed experimental and numerical results on the effective alpha
factor in bulk SOAs. We showed that the magnitude of alpha factor increases by increasing …