SUBMARINE LONG-DISTANCE TRANSMISSION SYSTEM AND FIBER

SUBMARINE LONG-DISTANCE TRANSMISSION SYSTEM AND FIBER

PROBLEM TO BE SOLVED: To provide an optical system and a fiber which are adapted specially to submarine long-distance optical transmission.SOLUTION: A submarine long-distance transmission system includes an optical fiber transmission span and modules for coherent detection and digital signal process...

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1. Verfasser: OLE A LEVRING
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Sprache:eng
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
TRANSMISSION
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creator OLE A LEVRING
description PROBLEM TO BE SOLVED: To provide an optical system and a fiber which are adapted specially to submarine long-distance optical transmission.SOLUTION: A submarine long-distance transmission system includes an optical fiber transmission span and modules for coherent detection and digital signal processing for dispersion compensation. The optical fiber transmission span includes a first fiber with plus dispersion and a second fiber with negative dispersion which are substantially equal in length, the first fiber and second fiber are configured to supply signal output over a transmission longer than 10,000 km, and combined dispersion accumulated over an operation band width never exceeds the dispersion compensation capability of the modules for coherent detection and digital signal processing. A fiber used by a submarine long-distance transmission span has a dispersion coefficient in a range of -16 to 25 ps/nm km at a transmission wavelength of 1,550 nm and a dispersion slope in a range of 0.04 to 0.02 ps/nmkm.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
TRANSMISSION
title SUBMARINE LONG-DISTANCE TRANSMISSION SYSTEM AND FIBER
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