Efficient amplification in the first telecommunications window
Lauder, R.D.T., Carter, J.N., Hanna, D.C., Tropper, A.C., Pask, H.M., Davey, S.T. and Szebesta, D. (1993) Efficient amplification in the first telecommunications window. Journal of Non-Crystalline Solids, 161, 274-276. (doi:10.1016/0022-3093(93)90716-B).
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Thulium-doped fluorozirconate fibre can be used as an efficient amplifier over the wavelength range 800 - 815nm in the first telecommunications window. A small-signal gain of 23dB has been achieved at 805nm with 50mW of launched pump power at 780nm. The fibre used for this demonstration had a core diameter of 3.5µm, numerical aperture 0.16 and thulium ion concentration 800ppm by weight. The background loss of the fibre was measured to be less than 0.1dB/m. These results suggest that a high gain 800nm amplifier employing an AlGaAs diode-pumped thulium-doped fluorozirconate fibre can now be made.
|Subjects:||Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
|Divisions:||University Structure - Pre August 2011 > Optoelectronics Research Centre
|Date Deposited:||11 Mar 2010|
|Last Modified:||27 Sep 2012 10:55|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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