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Characterisation of a first window amplifier using a thulium doped fluoride fibre

Characterisation of a first window amplifier using a thulium doped fluoride fibre
Characterisation of a first window amplifier using a thulium doped fluoride fibre
A fully connectorized diode laser pumped first window amplifier has been constructed, for the first time, around a thulium doped fluoride fiber. For a 780/806 nm combination of pump and signal wavelengths intrinsic small signal gains of 25 - 26 dB and gain efficiencies of 2.4 dB/mW have been achieved. In addition output powers approaching +13 dBm from the doped fiber were possible for launched pump powers of 31 mW, which corresponds to a pump to signal conversion efficiency of around 64%. Minimum noise figures of 4 - 5 dB have been achieved with characteristics which mirror the output power performance. The 3 dB gain bandwidth for this transition has been measured at 9 - 10 nm for small signals, increasing to better than 15 nm under signal saturation conditions
0819416134
SPIE - The International Society for Optical Engineering
Percival, R.M.
d2389f11-a928-48f6-a8b0-96402bd5ed65
Szebesta, D.
66ad62ac-3f34-46aa-82d0-ff15bfb633c9
Williams, J.R.
c7c1d2bb-95e0-42d5-bac1-b80433fa48f7
Lauder, R.D.T.
3bf9d5e7-9674-49f8-997e-f99a5cdea00d
Tropper, A.C.
f3505426-e0d5-4e91-aed3-aecdb44b393c
Hanna, D.C.
3da5a5b4-71c2-4441-bb67-21f0d28a187d
Digonnet, Michel J.F.
Percival, R.M.
d2389f11-a928-48f6-a8b0-96402bd5ed65
Szebesta, D.
66ad62ac-3f34-46aa-82d0-ff15bfb633c9
Williams, J.R.
c7c1d2bb-95e0-42d5-bac1-b80433fa48f7
Lauder, R.D.T.
3bf9d5e7-9674-49f8-997e-f99a5cdea00d
Tropper, A.C.
f3505426-e0d5-4e91-aed3-aecdb44b393c
Hanna, D.C.
3da5a5b4-71c2-4441-bb67-21f0d28a187d
Digonnet, Michel J.F.

Percival, R.M., Szebesta, D., Williams, J.R., Lauder, R.D.T., Tropper, A.C. and Hanna, D.C. (1994) Characterisation of a first window amplifier using a thulium doped fluoride fibre. Digonnet, Michel J.F. (ed.) In Doped Fiber Devices and Systems. vol. 2289, SPIE - The International Society for Optical Engineering.. (doi:10.1117/12.188704).

Record type: Conference or Workshop Item (Paper)

Abstract

A fully connectorized diode laser pumped first window amplifier has been constructed, for the first time, around a thulium doped fluoride fiber. For a 780/806 nm combination of pump and signal wavelengths intrinsic small signal gains of 25 - 26 dB and gain efficiencies of 2.4 dB/mW have been achieved. In addition output powers approaching +13 dBm from the doped fiber were possible for launched pump powers of 31 mW, which corresponds to a pump to signal conversion efficiency of around 64%. Minimum noise figures of 4 - 5 dB have been achieved with characteristics which mirror the output power performance. The 3 dB gain bandwidth for this transition has been measured at 9 - 10 nm for small signals, increasing to better than 15 nm under signal saturation conditions

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More information

Published date: 1994
Venue - Dates: Doped Fiber Devices and Systems, San Diego, United States, 1994-01-01
Organisations: Physics & Astronomy

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Local EPrints ID: 77173
URI: http://eprints.soton.ac.uk/id/eprint/77173
ISBN: 0819416134
PURE UUID: 76099544-88a6-4cf5-a939-8161c806abd1

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Date deposited: 11 Mar 2010
Last modified: 13 Mar 2024 23:45

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Contributors

Author: R.M. Percival
Author: D. Szebesta
Author: J.R. Williams
Author: R.D.T. Lauder
Author: A.C. Tropper
Author: D.C. Hanna
Editor: Michel J.F. Digonnet

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