Description, this thesis describes theoretical and experimental studies on two subjects: first is characterization, design and modeling of erbium-doped fiber amplifiers (edfas) second is the effect of fiber dispersion on the noise of distributed feedback (dfb) lasers and the impact of this effect on the. Dp edfa configurations different in the means of pump signal direction where the two level system model equations are solved numerically in matlab the physical properties of the simulated edfa configurations such as gain, noise factor and constant encouragement throughout my research and thesis i would like to. This thesis is mainly concerned with the use of hybrid optical amplifiers in multichannel wavelength division and edfa such as raman fiber length, raman pump wavelength, raman pump power, edfa noise figure and figure 118: basic configurations of a transmission line with an inline amplifier: (a) a edfa (b. Erbium doped fiber amplifier (edfa) in optical communication link nur khalida binti ramli a thesis submitted in fulfillment of the requirements for the degree of bachelor of electronic engineering (wireless communication) with honours faculty of electronic and computer. Abstract: the erbium doped fiber amplifier (edfa) is an important factor in the improvement of the fiber amplifiers (edfa) are regarded as a cost effective phd thesis university of rennes 1, france desurvire, e, 1996 erbium doped fiber amplifier: principles and applications wiley and sons newyork.
Edfas can therefore act as more efficient amplifiers without introducing too much noise on their own' the aim of this thesis is to characterize and compare the noise performance of an optical amplifier under forward and reverse pumping, in particular focusing on the edfa in order to gain insight into the. This lesson demonstrates the transient effects in an edfa caused by the addition or deletion of channels using the edfa dynamic models of the optisystem  c dimopoulos “study of dynamic phenomena in wdm optical fiber links and networks based on edfa” phd thesis university of essex, april 2001. Aston university investigation of edfa power transients in circuit- switched and packet-switched optical networks siham muhyaldin doctor of philosophy, 2009 thesis summary erbium-doped fibre amplifiers (edfa's) are a key technology for the design of all optical communication systems and networks.
Study of bidirectional broadband passive optical network (bpon) using edfa yasser a almalaq university of denver, [email protected] follow this and additional works at: http://digitalcommonsduedu/etd this thesis is brought to you for free and open access by the graduate studies at. 1 edfl/edfa project 2 background 3 fiber laser construction 4 controlling the pump laser 5 initial results 6 low power experimental setup 7 refined operation 9 self-heterodyne linewidth measurement 10 single longitudinal mode results 11 future improvements 12 honors college thesis. Awgn additive white gaussian noise cd channel dispersion dbp digital back propagation dcf dispersion compensation fiber dm dispersion managed dok dictionary of keys dsp digital signal processing edfa erbium doped fiber amplifier ffg forney-factor graph fg factor graph fwm four wave mixing.
Planar waveguide structures for post-edfa broadband near infrared amplifiers by islam hoxha adviser: professor vladimir petricevic this thesis reports on research on optically active near infrared materials and their use as optical gain media in fabricated planar waveguide. I hereby certify that this bachelors' thesis has been composed by myself, and describes my own work, unless otherwise acknowledged in the this thesis presents the design and characterization of a compact erbium-doped fiber laser that uses a saturable bragg reflector (sbr) and 66 521 edfa and ase source.
Investigation of in-situ parameter control in novel semiconductor optical amplifiers a thesis submitted in partial fulfilment of the requirements for the degree of doctor of philosophy (electronic engineering) by kevin carney ba physics school of electronic engineering faculty of engineering and computing. This phd thesis, undertaken within the framework of modegap, covers the design and optimization of high-performance in-line multimode erbium-doped fiber amplifiers (mm-edfas) or few-mode (fm) edfa for next-generation sdm transmission systems based on mode-division multiplexing (mdm. Iv list of tables vii list of figures viii summary xi chapter 1 introduction to semiconductor amplifiers 1 11 optical amplifiers for optical communications 1 12 fiber amplifiers: edfa and raman amplifier 1 13 semiconductor optical amplifier 3 chapter 2 theory of semiconductor optical amplifiers 14.
This thesis is concerned with the study of characteristics of commercial semiconductor optical amplifiers-soas and their employment in gpons for the purpose of packet equalization of upstream bursts in order to provide additional loss budget additional loss budget is aimed at facilitating the extension of. Edfa erbium doped fiber amplifier fopas fiber-optic parametric amplifier fp- soa fabry-perot soa fwhm full width at half maximum fwm four-wave 15 aim of the thesis the aim of this work is to present a theoretical analysis to edfa operating under co-directional configuration in turn, the parameters that.