erbium-doped optical amplifiers
INVESTIGATION OF DIFFERENT CONFIGURATIONS OF AMPLIFIERS FOR INTERSATELLITE OPTICAL WIRELESS TRANSMISSION
... different amplifiers such as erbium doped fiber amplifier, Raman amplifier and semiconductor optical amplifier, have been investigated in inter-satellite links on optical wireless ...
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A Novel Design Approach for Erbium-Doped Fiber Amplifiers by Particle Swam Optimization
... optimal design including radial effects and dual pumped structure. Wei et al. [32] implemented GA algorithm to optimize the multistage EDFAs. On the other hand, Zhang et al. [33], used the improved GA for gain flattening ...
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Thermal, structural and optical properties of lithium niobate tellurite glass doped erbium and neodymium
... new optical glasses together with new application such as second- harmonic generation, optical switches, third-order-nonlinear optical materials, optical amplifiers, waveguide lasers, ...
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Investigation of erbium dopant distribution in silica optical fibers with fluorescence-based measurements using a near-field scanning microscope
... fiber amplifiers and sensors — has a strong and grow- ing influence on our daily lives which often goes unrecog- ...the erbium doped fiber amplifier (EDFA) 1 for the communications industry, active ...
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Structural and optical properties of erbium doped phosphate glass containing zinc oxide nanoparticles
... of optical amplifiers for long-distance communication system has increased the interest on rare earth doped materials (Miniscalco, ...earth doped materials have been studied and used for the ...
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Wideband Optical Amplifier Using High Concentration Erbium Doped Fiber In Single-Pass Configuration
... Erbium doped fibre amplifiers (EDFAs) is an optical repeater device that is used to magnify the intensity of optical signals that are being carried through a fibre optic ...
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Performance Evaluation Of Hybrid Raman And Erbium Doped Fiber Amplifiers (HFAs)
... Optical Signal-to-Noise Ratio (OSNR), Bit Error Rate (BER), and Noise Figure (NF) obtained from the simulation of a single mode fiber transmission link. The fabrication or development of hybrid Raman and ...
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Effects of Geometry on Amplification Property of Erbium Doped Holey Fiber Amplifiers Using Scalar Effective Index Method
... of optical components. To simulate optical component based on HFs, the utilized HFs should be analyzed with one of the reported techniques ...analyze Erbium doped holey fiber amplifiers ...
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Physical, structural and optical properties of erbium doped tellurite glass with copper oxide nanoparticles embedment
... the optical properties of tellurite ...glass doped with erbium oxide are extensively used in optical and photonic applications such as in making waveguide amplifiers and optical ...
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The optical properties of erbium doped zirconium oxyfluoride tellurite glass embedded with silver nanoparticles
... 3+ doped tellurite glass or fluoride glass has been studied by many researchers due to its great optical ...and optical amplifiers. It was reported that Er 3+ doped ...
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Theoretical Comparative Studies of Cross-Section Evaluation in Erbium-Doped Optical Fibers
... There are several devices based on Erbium doped optical fibers (EDOFs) such as optical sensors [1], lasers, and optical amplifiers [2, 3]. To design and improve such devices, we ...
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Semi Classical Analysis of Thulium Doped Optical Fiber Amplifier
... In 2007 Du Ge-gue and et al on- off gain was measured, the gain varying with pump power and with signal wavelength was studied in detail [2]. Pearson and et al 2008 reported a high power widely tunable Tm-doped ...
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Optical, Thermal and Magnetic Characterization of Nd 3+ doped Er 2 (C243 .8H 2 O Crystals
... crystals doped with different concentrations (9%, 12%, 15%, 18% and 21%) of Neodymium was grown by hydrosilica gel ...and erbium contents in the crystal in accordance with the reaction ...
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Effect of silver nanoparticles on optical properties of erbium-doped magnesium phosphate glass
... (RE) doped phosphate glasses is receiving special attention due to the potential application in full color display, laser antiforgery and bio-label to cite a few ...of doped rare earth ion that may be ...
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Femtosecond pulsed laser deposited Er3+-doped zinc-sodium tellurite glass on Si: Thin-film structural and photoluminescence properties
... Pulsed laser deposition (PLD) has proven to be a valid and effi- cient technique for the stoichiometric transfer of material from tar- get to a film on a substrate, which is not possible with the growth of films from ...
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Characterisation of optical fibre amplifiers : amplifiers for the 632.8 nm He-Ne wavelength in praseodymium-doped ZBLAN
... The work presented in this Thesis is divided into four main chapters including modelling of rare-earth-doped fibre amplifiers (Chapter 2), spectroscopic characterisation of praseodymiu[r] ...
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Performance analysis of HG_EDFA and LN_EYCDFA
... Recently, lots of problems in bidirectional HG_EDFAs were investigated, and various structure schemes of the HG_EDFA were reported to overcome the problems, such as back reflections [3]. An automatic gain control (AGC) ...
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Structural and optical properties of erbium/neodymium co-doped magnesium phosphate glass
... This thesis contains five chapters. The first chapter briefly explains the general overview of the glass, continued by the problem statement, scope and the objectives of this study. The reasons in choosing the glass ...
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Modified chalcogenide glasses for optical device applications
... for optical breakdown depends on laser intensity and the threshold for self-focusing depends on laser power, tighter focusing of the beam may allow the intensity for optical breakdown to be reached before ...
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Performance Analysis of Erbium Doped Fiber Amplifier’s and FWM Characteristics in a Passive Optical Network
... In this study, three characteristics have been discussed with respect to optical network, as seen from the above analysis. There are three conclusions that can be made based on the analysis and statistic mentioned ...
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