High gain, broadband, 1.6 μm Er
            <sup>3+</sup>
            doped silica fibre amplifier

Massicott, J.F.; Armitage, J.R.; Wyatt, R.; Ainslie, B.J.; Craig-Ryan, S.P.

doi:10.1049/el:19901053

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Introduction4

Bandwidth Expansion Toward 16 J-lm1

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1998

2015

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Cited by 117 publications

(18 citation statements)

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“…An optical amplifier is required to replenish optical signals. Er 3+ -doped fiber amplifiers (EDFA) comprise an important part in WDM systems because of the practical use for C-band or L-band [1,2]. However, the bandwidth of the conventional SiO 2 -based EDFA is limited, and an amplifier's structure with a parallel configuration is complicated [1,3].…”

Section: Introductionmentioning

confidence: 99%

Spectroscopic properties of Er3+-doped Na2O–Sb2O3–B2O3–SiO2 glasses

Qian

Wang

Zhang

et al. 2008

Journal of Non-Crystalline Solids

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Section: Introductionmentioning

confidence: 99%

Spectroscopic properties of Er3+-doped Na2O–Sb2O3–B2O3–SiO2 glasses

Qian

Wang

Zhang

et al. 2008

Journal of Non-Crystalline Solids

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“…One approach is the EDFAs designed to operate in the longer wavelength range [13,14]. By using relatively long EDFs and pumping them properly, it is possible to achieve the signal gain in a wavelength range from 1570 nm to 1600 nm (with no gain in the 1530-1560 nm band).…”

Section: Bandwidth Expansion Toward 16 J-lmmentioning

confidence: 99%

Broadband and Gain-Flattened Optical Fiber Amplifiers

Nishimura

1998

Solid-State Science and Technology Library

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Abstract. Broadband and gain-flattened erbium-doped fiber amplifiers are being widely developed to meet the requirements posed by wavelengthdivision-multiplexed transmission systems/networks pursuing the ultimate capacity. One approach is the improvement of erbium-doped fiber itself for broader gain bandwidth or better gain flatness. In addition to the wellknown aluminum-codoped silica fibers and the fluoride glass fibers, rather new materials, such as tellurite glass, or hybrid configurations which utilize two or more erbium-doped fibers with different glass compositions are being examined. Another approach is the use of gain-equalizing optical filters. One of the most promising gain equalizing techniques is the long-period fiber grating. In order to maintain the gain flatness even under variable operational conditions, control schemes of the optical fiber amplifiers are also a critical issue.

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“…To meet the needs of the capacity demand, wavelength division multiplexed (WDM) datacom transmission, has been proposed and used practically [1,2].…”

Section: Introductionmentioning

confidence: 99%