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Applications of erbium-doped fibre amplifiers in communications

Applications of erbium-doped fibre amplifiers in communications
Applications of erbium-doped fibre amplifiers in communications
Erbium-doped single-mode fibre amplifiers (EDFA) which operate around lambda = 1.54µm, coinciding with the low-loss region of silica optical fibre, show great promise for use in future high-performance telecommunication systems. This is due to a combination of high saturation power, low noise, immunity to crosstalk, low power requirement and the ability to work at high data rates. In addition, compatibility with existing fibre components is excellent, allowing all-optical fibre circuitry to be assembled with both active and passive components. This is particularly beneficial for the fibre amplifier, where splicing of the active fibre into the telecommunications link virtually eliminates, troublesome Fresnel-reflection feedback which normally limits the gain in semiconductor laser amplifiers. As such the application of EDFAs to high data rate long-haul communications, multichannel distribution networks and analog video distribution have been successfully demonstrated. This paper will discuss the characteristics of EDFAs, highlight their advantages and review current applications.
Laming, R.I.
c86f359b-9145-4148-bc7d-ae4f3d272ca2
Payne, D.N.
4f592b24-707f-456e-b2c6-8a6f750e296d
Cowle, G.J.
e7df859a-c0b5-429a-92a2-5a856b2d643e
Laming, R.I.
c86f359b-9145-4148-bc7d-ae4f3d272ca2
Payne, D.N.
4f592b24-707f-456e-b2c6-8a6f750e296d
Cowle, G.J.
e7df859a-c0b5-429a-92a2-5a856b2d643e

Laming, R.I., Payne, D.N. and Cowle, G.J. (1990) Applications of erbium-doped fibre amplifiers in communications. 8th International Conference on Fibre Optics and Optoelectronics. 24 - 26 Apr 1990.

Record type: Conference or Workshop Item (Paper)

Abstract

Erbium-doped single-mode fibre amplifiers (EDFA) which operate around lambda = 1.54µm, coinciding with the low-loss region of silica optical fibre, show great promise for use in future high-performance telecommunication systems. This is due to a combination of high saturation power, low noise, immunity to crosstalk, low power requirement and the ability to work at high data rates. In addition, compatibility with existing fibre components is excellent, allowing all-optical fibre circuitry to be assembled with both active and passive components. This is particularly beneficial for the fibre amplifier, where splicing of the active fibre into the telecommunications link virtually eliminates, troublesome Fresnel-reflection feedback which normally limits the gain in semiconductor laser amplifiers. As such the application of EDFAs to high data rate long-haul communications, multichannel distribution networks and analog video distribution have been successfully demonstrated. This paper will discuss the characteristics of EDFAs, highlight their advantages and review current applications.

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More information

Published date: 1990
Venue - Dates: 8th International Conference on Fibre Optics and Optoelectronics, 1990-04-24 - 1990-04-26

Identifiers

Local EPrints ID: 77482
URI: https://eprints.soton.ac.uk/id/eprint/77482
PURE UUID: 34cf8fae-1008-4c67-9d53-bacc15fa8eb6

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:32

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