Fibercore AstroGain fiber: multichannel erbium doped fibers for optical space communications

Hill, Mark D.; Gray, Rebecca; Hankey, J.; Gillooly, A.

doi:10.1117/12.2044455

Cited by 2 publications

(2 citation statements)

References 6 publications

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“…4 Industry has effectively used Ce co-doping for RIA reduction, where Ce co-doped EDF is commercially available. 5,6 While Ce co-doping does not alter the spectroscopic properties of the EDF, there is no indication that it may help reduce erbium ion clustering unlike other co-dopants, a process that is detrimental to amplifier performance. Furthermore, Ce clustering itself occurs in the fiber and therefore creates scattering centers.…”

Section: Introductionmentioning

confidence: 99%

Strategies to reduce radiation induced gain degradation in erbium doped fiber

Baker,

Zhou,

Kung

et al. 2024

Optical Components and Materials XXI

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The behavior of erbium doped fiber amplifiers (EDFA) in a master oscillator power amplifier (MOPA) configuration was characterized using a 60 Co γ-ray source. The results indicate that power degradation and photo-anneal recovery processes simultaneously exist for erbium doped fibers with relatively low concentrations of the co-dopants cerium and germanium added. For fibers with relatively high concentrations of germanium and comparable levels of cerium co-dopants highly effective radiation hard behavior is exhibited. A fiber optimized for efficiency also provides a radiation hard EDFA where after a 100 kRad (1000 Gy) exposure, the degradation in signal gain was only 5 dB at a MOPA pump power of 315 mW.

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Section: Introductionmentioning

confidence: 99%

Strategies to reduce radiation induced gain degradation in erbium doped fiber

Baker,

Zhou,

Kung

et al. 2024

Optical Components and Materials XXI

View full text Add to dashboard Cite

show abstract

“…Cerium (Ce) co-doping is known to be an effective method to increase radiation hardness in glasses 4 . Industry has effectively used Ce co-doping for RIA reduction as Ce co-doped EDF is commercially available 5 , 6 . Although Ce co-doping does not alter the spectroscopic properties of the EDF, there is no indication that, unlike other co-dopants, it may help reduce erbium ion clustering, a process that is detrimental to amplifier performance.…”

Section: Introductionmentioning

confidence: 99%

In-situ investigation of erbium doped fiber in a radiation rich environment

Baker,

Joseph Friebele,

Kim

et al. 2023

Opt. Eng.

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The behavior of erbium doped fiber amplifiers (EDFA) in a master oscillator power amplifier configuration was characterized, for the first time, in-situ using a 60 Co γ-ray source. The results indicate that power degradation and photo-anneal recovery processes simultaneously exist. A fiber optimized for efficiency also provides a radiation harder EDFA with reduced power degradation after a 10 kRad (100 Gy) exposure.

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Fibercore AstroGain fiber: multichannel erbium doped fibers for optical space communications

Cited by 2 publications

References 6 publications

Strategies to reduce radiation induced gain degradation in erbium doped fiber

Strategies to reduce radiation induced gain degradation in erbium doped fiber

In-situ investigation of erbium doped fiber in a radiation rich environment

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