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Erbium-Doped Dispersion-Compensating Fiber for Simultaneous Compensation of Loss and Dispersion

✍ Scribed by P Palai; K Thyagarajan; B.P Pal

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
151 KB
Volume
3
Category
Article
ISSN
1068-5200

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✦ Synopsis

A scheme for simultaneous compensation of dispersion and loss is proposed. It should be realizable by doping an optical fiber having a high negative dispersion coefficient at 1.55 m with erbium ions. Numerical calculations are presented for a typical design example. It is seen that for a targeted gain of 15 dB there is an optimum doping level for which the required pump power is minimum and the noise figure is about 4 dB. Such an erbium-doped dispersion compensating fiber should be a promising alternative as a more compact unit than the combination of an erbium-doped fiber amplifier and dispersion compensating fiber as two individual components.

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