Theoretical analysis of the spectral gain and noise of single and double pass Er<sup>3+</sup>-doped Ti:LiNbO<sub>3</sub> straight waveguide amplifiers

B. Savu; N. N. Puscas

doi:10.1117/12.757911

1 August 2007 Theoretical analysis of the spectral gain and noise of single and double pass Er³⁺-doped Ti:LiNbO₃ straight waveguide amplifiers

B. Savu, N. N. Puscas

Author Affiliations +

Proceedings Volume 6785, ROMOPTO 2006: Eighth Conference on Optics; 678516 (2007) https://doi.org/10.1117/12.757911
Event: ROMOPTO 2006: Eighth Conference on Optics, 2006, Sibiu, Romania

Abstract

We report in this paper a theoretical analysis of some parameters which characterize the Er³⁺-doped Ti:LiNbO₃ straight waveguide amplifiers. The derivation and the evaluation of the spectral optical gain, the spectral noise figure, the signalto- noise ratio and the amplified spontaneous emission photon number are performed under the small gain approximation taking into account the overlap between the pump, signal and dopant distribution profiles. In our simulations the Er³⁺- profile is considered erfc, Gaussian or constant in depth and Gaussian in width, with a surface concentration of about 7•10²⁵m^-3 and a diffusion depth of 20 μm.

Citation Download Citation

B. Savu and N. N. Puscas "Theoretical analysis of the spectral gain and noise of single and double pass Er³⁺-doped Ti:LiNbO₃ straight waveguide amplifiers", Proc. SPIE 6785, ROMOPTO 2006: Eighth Conference on Optics, 678516 (1 August 2007); https://doi.org/10.1117/12.757911

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