WDM optical fiber communication system with improved dispersion compensation

WDM optical fiber communication system with improved dispersion compensation

The system includes a transmitter, a receiver and an optical fibre transmission path that connects the transmitter and receiver. The system transmits signals in N transmission channels of wavelengths lambda 1-lambda N, where N is an integer greater than 1. The transmission path comprises first singl...

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Hauptverfasser: REED, WILLIAM ALFRED, VENGSARKAR, ASHISH MADHUKAR
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
TRANSMISSION
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creator REED, WILLIAM ALFRED
VENGSARKAR, ASHISH MADHUKAR
description The system includes a transmitter, a receiver and an optical fibre transmission path that connects the transmitter and receiver. The system transmits signals in N transmission channels of wavelengths lambda 1-lambda N, where N is an integer greater than 1. The transmission path comprises first single mode optical fibre with non-zero chromatic dispersion of a first mathematical sign at the wavelengths lambda 1-lambda N. The path also has dispersion compensating second single mode optical fibre (13) with non-zero chromatic dispersion of a second mathematical sign at the wavelengths lambda 1-lambda N. The transmission path also has a third single mode optical fibre which is a dispersion slope compensating fibre (14) or DSCF. The DSCF has a dispersion slope in the wavelength range lambda 1-lambda N. The dispersion slope and the length of the DSCF in the transmission path are selected so that the total chromatic dispersion of the transmission path at all of the wavelengths lambda 1-lambda N is nominally zero.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
TRANSMISSION
title WDM optical fiber communication system with improved dispersion compensation
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