8 March 2014 Er-doped tellurite waveguides for power amplifier applications
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Tellurite waveguides are promising candidates for high gain with broad-bandwidth, especially with Er-doping, which covers the telecommunications band and important spectral absorption features of atmospheric CO2. This study aimed at developing new Er,Yb-doped tellurite waveguide power amplifier modules suited to LIDAR measurements from space that will enable improved mapping of the concentration and distribution of CO2 in our atmosphere. A comparison of the optical properties of bulk and waveguide samples has been made, with double-clad waveguide devices, suited for high power diode pumping, currently under test.
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J. I. Mackenzie, G. S. Murugan, A. W. Yu, J. B. Abshire, "Er-doped tellurite waveguides for power amplifier applications", Proc. SPIE 8988, Integrated Optics: Devices, Materials, and Technologies XVIII, 898809 (8 March 2014); doi: 10.1117/12.2046297; https://doi.org/10.1117/12.2046297

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