C. Koeppen, S. Yamada, G. Jiang, A. F. Garito, and Larry R. Dalton, "Rare-earth organic complexes for amplification in polymer optical fibers and waveguides," J. Opt. Soc. Am. B 14, 155-162 (1997)
The optical properties of rare-earth organic complexes have been studied because of their possible application to polymer optical fibers and waveguides. , , and ions are encapsulated in tetrakis(benzoyltrifluoroacetonate) and tetrakis(dibenzoylmethide) chelates, and their radiative properties are evaluated in several organic solvents. Analysis reveals that tetrakis(benzoyltrifluoroacetonate) chelates are promising dopants for use in rare-earth-doped polymer devices. These rare-earth complexes can be doped to high concentrations in polymer systems without quenching, providing the means for short-length amplification devices. Numerical simulations reveal that gains as high as and exceeding 20 dB should be realizable in rare-earth-doped polymer fiber amplifiers having lengths <60 cm. Similar calculations reveal threshold pump powers of tens of milliwatts for rare-earth-doped polymer fiber lasers.
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