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Pump excited-state absorption in Er-doped fibres

Pump excited-state absorption in Er-doped fibres
Pump excited-state absorption in Er-doped fibres
Ground-state and excited-state absorption spectra covering the wavelength range of 450-1050 nm are presented for erbium-doped silica fibers with four different core codopants: GeO2, GeO2/B2O3, GeO2/P2O5, and Al2O3. It is shown that the host glass influences the excited-state absorption spectra and that P2O5- or Al2O3-codoped fibers are the preferred choice for 514.5-, 655-, or 807-nm pump wavelengths owing to reduced pump excited-state absorption. However, excited-state absorption is still significant at the 807-nm wavelength. Pump wavelengths of 524, 532, and 980 nm appear ideal because of the strong ground-state absorption and lack of excited-state absorption.
0146-9592
1084-1086
Laming, R.I.
c86f359b-9145-4148-bc7d-ae4f3d272ca2
Poole, S.B.
67918af2-6d57-43ab-bfdb-89f9a9a78afe
Tarbox, E.J.
5ba8718b-b1ea-4291-bbab-293456f66206
Laming, R.I.
c86f359b-9145-4148-bc7d-ae4f3d272ca2
Poole, S.B.
67918af2-6d57-43ab-bfdb-89f9a9a78afe
Tarbox, E.J.
5ba8718b-b1ea-4291-bbab-293456f66206

Laming, R.I., Poole, S.B. and Tarbox, E.J. (1988) Pump excited-state absorption in Er-doped fibres. Optics Letters, 13, 1084-1086. (doi:10.1364/OL.13.001084).

Record type: Article

Abstract

Ground-state and excited-state absorption spectra covering the wavelength range of 450-1050 nm are presented for erbium-doped silica fibers with four different core codopants: GeO2, GeO2/B2O3, GeO2/P2O5, and Al2O3. It is shown that the host glass influences the excited-state absorption spectra and that P2O5- or Al2O3-codoped fibers are the preferred choice for 514.5-, 655-, or 807-nm pump wavelengths owing to reduced pump excited-state absorption. However, excited-state absorption is still significant at the 807-nm wavelength. Pump wavelengths of 524, 532, and 980 nm appear ideal because of the strong ground-state absorption and lack of excited-state absorption.

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Published date: 1988

Identifiers

Local EPrints ID: 78464
URI: https://eprints.soton.ac.uk/id/eprint/78464
ISSN: 0146-9592
PURE UUID: c551d20f-2cab-45d8-8a6c-0eebd830a5ce

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:24

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Contributors

Author: R.I. Laming
Author: S.B. Poole
Author: E.J. Tarbox

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