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Optical and Quantum Electronics

Analysis of output statistics of single and double pass Er-doped LiNbO3 waveguide amplifiers

Niculae N. Puşcaş, Danilo Scarano, R. Girardi, Ivo Montrosset

Published Aug 1, 1997• 4 citations
Publisher
DOI
10.1023/a:1018565230326

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In this paper we report the derivation and evaluation of the spectral optical gain, spectral noise figure, amplified spontaneous emission photon number and signal-to-noise ratio in single- and double-pass configurations for an Er3+-doped LiNbO3 waveguide amplifier pumped near 1484nm. The theoretical analysis was made using the small-gain approximation in the unsaturated regime. The simulations show the evolution of the above-mentioned parameters under various pumping regimes and waveguide lengths. The results obtained show how the model can be used for the design of Er3+-doped LiNbO3 waveguide amplifiers.