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Dinu D.,Polytechnic University of Bucharest | Dontu S.,Romanian National Institute for Optoelectronics | Puscas L.A.,Electrotechnics Electrical Engineering Institute | Puscas N.N.,Polytechnic University of Bucharest
Proceedings of SPIE - The International Society for Optical Engineering | Year: 2010

Based on the transmission experimental spectra of Er3+-doped Ti:LiNbO3 optical waveguides in this paper we report some experimental and theoretical results concerning the evaluation of the the radiative lifetime and the real and imaginary parts of the complex atomic susceptibility of the above mentioned waveguides in the visible and near infrared spectral range. The homogeneous absorption and emission cross sections were determined from the the corresponding experimental transmission spectra around 1550 nm, 980 nm and 550 nm using the density matrix formalism and the McCumber's theory and taking into account the Stark splitting of the levels. © 2010 SPIE.

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