Spectroscopy, modeling, and performance of Erbium-Doped Ta2O5 waveguide amplifiers
Subramanian, Ananth Z., Murugan, G.Senthil, Zervas, Michalis N. and Wilkinson, James S. (2012) Spectroscopy, modeling, and performance of Erbium-Doped Ta2O5 waveguide amplifiers. Journal of Lightwave Technology, 30, (10), 1455-1462. (doi:10.1109/JLT.2012.2185925).
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The design, fabrication, spectroscopic characterization, and performance of an Er:Ta2O5 rib waveguide amplifier is described. Rib waveguides with low loss (< 0.65 dB/cm at 1600 nm) were obtained. Their absorption spectrum was measured and McCumber theory was employed to obtain the emission spectrum, leading to the absorption and emission cross sections. Numerical modeling for gain optimization in Er:Ta2O5 waveguide amplifiers is presented, employing the experimentally determined parameters. Finally, net optical gain of 2.1 dB/cm at 1531.5 nm is demonstrated in a 2.3 cm long Er:Ta2O5 rib waveguide when pumped with 977 nm laser diode, and compared with simulations to deduce the extent of upconversion.
|Digital Object Identifier (DOI):||doi:10.1109/JLT.2012.2185925|
|Keywords:||erbium, integrated optics, optical amplifiers, rib waveguides, waveguide components|
|Subjects:||Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
|Divisions:||Faculty of Physical Sciences and Engineering > Optoelectronics Research Centre
|Date Deposited:||23 Apr 2012 13:50|
|Last Modified:||31 Mar 2016 14:26|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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