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Er3+-doped BaY2F8 crystal waveguides for broadband optical amplification at 1.5 μm

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7 Author(s)
Toccafondo, V. ; Scuola Superiore Sant’Anna, 56124 Pisa, Italy ; Cerqueira S., A. ; Faralli, S. ; Sani, E.
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Integrated waveguide amplifiers based on high concentration Er3+ doped BaY2F8 crystals are numerically studied by combining a full-vectorial finite element based modal analysis and propagation-rate equations. Using realistic input data, such as the absorption/emission cross sections and Er level lifetimes measured on grown crystal samples, we investigate the amplifier performance by optimizing the total Er concentration. We predict optimum gain coefficient up to 5 dB/cm and broad amplification bandwidth exceeding 80 nm with 1480 nm pumping.

Published in:

Journal of Applied Physics  (Volume:101 ,  Issue: 2 )

Date of Publication:

Jan 2007

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