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A diode-pumped, first-window optical fibre amplifier providing up to +12dBm of output

Lauder, R.D.T., Tropper, A.C., Hanna, D.C., Percival, R.M., Szebesta, D. and Wyatt, R. (1994) A diode-pumped, first-window optical fibre amplifier providing up to +12dBm of output At CLEO '94: Conference on Lasers and Electro-Optics, Netherlands. 28 Aug - 02 Sep 1994.

Record type: Conference or Workshop Item (Paper)


The thulium ion is one of great interest when it is doped within fluorozirconate glass due to the number of transitions available for stimulated emission. One such transition is the 3F4 to 3H6 transition at 0.8 µm. This is of interest as it lies within the first window for optical communication. There is growing interest in the use of this window for local area networks, passive optical networks, or supervisory systems. Small signal amplification of up to 23 dB has been reported for this transition in a thulium-doped fluoride fibre using a Ti:sapphire laser as the pump source. We report here the first diode pumped operation of this optical amplifier. An intrinsic small signal gain in excess of 30 dB was achieved. With a launched 807-nm signal power of -10 dBm, intrinsic gain of 21 dB was observed, producing amplified output powers of +11 dBm. An intrinsic gain of greater than 20 dB was observed for signals over the spectral range of 802 nm to 810 nm. The greatest amplified output power obtained for this system was 12.8 dBm for 30 mW of launched diode pump power.

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Published date: 1994
Venue - Dates: CLEO '94: Conference on Lasers and Electro-Optics, Netherlands, 1994-08-28 - 1994-09-02


Local EPrints ID: 77188
PURE UUID: 61afe182-465f-4c63-b887-f7c6e5552794

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:33

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Author: R.D.T. Lauder
Author: A.C. Tropper
Author: D.C. Hanna
Author: R.M. Percival
Author: D. Szebesta
Author: R. Wyatt

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