Evaluation of Gain Spectrum of Silica-Based Single/Dual-Pumped Thulium-Doped Fiber Amplifier (TDFA) by Optimizing Its Physical and Pumping Parameters in the Scenario of Dense Wavelength Division Multiplexed Systems (DWDM)

Thulium-doped fiber amplifier is a very proficient broadband fiber amplifier in S-band. Silica-based TDFA is a popular choice due to some of its evident features such as non-toxic nature, easy splicing and simple assembling. In this work, we have simulated and optimized various TDFA’s physical and o...

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Bibliographic Details
Published inJournal of optical communications Vol. 40; no. 4; pp. 353 - 362
Main Authors Kaur, Palvinder, Singh, Karamdeep, Devra, Shivinder, Kaur, Gagandeep, Singh, Maninder Lal
Format Journal Article
LanguageEnglish
Published Berlin De Gruyter 25.10.2019
Walter de Gruyter GmbH
Subjects
Amplification
Amplifiers
Broadband
Comparative studies
Doped fibers
Fiber optic communications
Noise levels
optical amplifier
Order parameters
Pumping
rare earth element–doped fiber amplifiers
Silicon dioxide
Splicing
TDFA
Thulium
Wavelength division multiplexing
WDM systems
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Summary:Thulium-doped fiber amplifier is a very proficient broadband fiber amplifier in S-band. Silica-based TDFA is a popular choice due to some of its evident features such as non-toxic nature, easy splicing and simple assembling. In this work, we have simulated and optimized various TDFA’s physical and operational parameters in order to obtain required gain spectra at different channel spacings. Further, a comparative study has been carried out between single and dual-pumped TDFAs. By using dual pumping scheme (1040 nm and 1000 nm) as fundamental source of excitation, maximum gain of 23.31 dB has been achieved at 1468.8 nm in region spanning 1400 nm to 1470 nm wavelengths with noise figure of 3.72 dB.
ISSN:0173-4911
2191-6322
DOI:10.1515/joc-2017-0100