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Analysis of gain improvements through a pump reflector in Er3+-doped optical amplifiers in the presence of concentration quenching

Analysis of gain improvements through a pump reflector in Er3+-doped optical amplifiers in the presence of concentration quenching
Analysis of gain improvements through a pump reflector in Er3+-doped optical amplifiers in the presence of concentration quenching
We numerically examine the small-signal gain improvements possible when the pump light is reflected in erbium-doped amplifiers suffering from concentration quenching caused by homogeneous and inhomogeneous energy-transfer upconversion. For an unquenched amplifier, the improvement is larger for a pump power of 20 mW than it is at 100 mW. On the other hand, at a pump power of 100 mW, the reflector is found to be efficient for a quenched amplifier, with a maximum improvement of 6.5 dB. We also find that the reflector is more efficient at 1.535 μm than it Is at 1.550 μm, under all examined operating conditions.
1041-1135
346-348
Nilsson, Johan
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Jaskorzynska, B.
e15d41e4-b800-4e89-82e3-47774f1d456e
Nilsson, Johan
f41d0948-4ca9-4b93-b44d-680ca0bf157b
Jaskorzynska, B.
e15d41e4-b800-4e89-82e3-47774f1d456e

Nilsson, Johan and Jaskorzynska, B. (1996) Analysis of gain improvements through a pump reflector in Er3+-doped optical amplifiers in the presence of concentration quenching. IEEE Photonics Technology Letters, 8 (3), 346-348. (doi:10.1109/68.481112).

Record type: Article

Abstract

We numerically examine the small-signal gain improvements possible when the pump light is reflected in erbium-doped amplifiers suffering from concentration quenching caused by homogeneous and inhomogeneous energy-transfer upconversion. For an unquenched amplifier, the improvement is larger for a pump power of 20 mW than it is at 100 mW. On the other hand, at a pump power of 100 mW, the reflector is found to be efficient for a quenched amplifier, with a maximum improvement of 6.5 dB. We also find that the reflector is more efficient at 1.535 μm than it Is at 1.550 μm, under all examined operating conditions.

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Published date: March 1996

Identifiers

Local EPrints ID: 440850
URI: http://eprints.soton.ac.uk/id/eprint/440850
ISSN: 1041-1135
PURE UUID: a4c174b4-83c6-4741-b898-f4dfc767eca7
ORCID for Johan Nilsson: ORCID iD orcid.org/0000-0003-1691-7959

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Date deposited: 20 May 2020 16:31
Last modified: 21 May 2020 00:26

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