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Examination of Potential Terrestrial System Effects From Raman Pumps Below Cable Cutoff in G.654.E Fibers

ITU G.654.E was recently approved as a new optical fiber standard for terrestrial systems. While G.654-compliant fibers have been used extensively in undersea submarine networks for some time, the G.654.E standard is optimized for terrestrial systems and, in particular, it enables the use of large effective area fibers to extend the reach of new high data rate signals with multilevel modulation formats. The new G.654.E fiber standard increases the maximum cable cutoff wavelength specification to the lower edge of the C-band, 1530 nm. We analyze potential signal impairments that may arise from Raman amplification with pump wavelengths below cable cutoff. We study the case where Raman pump relative intensity noise (RIN) is caused only by Raman pump multipath interference and show that its effect is negligible compared to the contribution from inherent Raman pump RIN that is constant along a fiber propagation length. We find negligible effects are expected even under worst-case condition.

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Judul Seri

JOURNAL OF LIGHTWAVE TECHNOLOGY; Vol.37 No.17, September 1, 2019

No. Panggil

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Penerbit

: .,

Deskripsi Fisik

p. 4282 - 4294

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

OPTICAL FIBERS
OPTICAL FIBER COMMUNICATION
OPTICAL FIBER APPLICATION
MULTIPATH INTERFERENCE
TERRESTRIAL
RAMAN AMPLIFICATION
16QAM
OSNR
EFFECTIVE AREA
ULTRA-LOW LOSS

Info Detail Spesifik

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Pernyataan Tanggungjawab

Michal Mlejnek, John D. Downie, Maurice O'Sullivan

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