A polymer-based waveguide optical amplifier doped with Er3+ ions has been modeled, fabricated, and characterized. Propagation losses have been measured using both cutback and Fabry-Pérot methods, resulting in similar, reasonable loss values that do not exceed 1.31dBcm−1 at 1540nm. By accounting for overall propagation loss, a net gain of 1.34dB at 1540nm is demonstrated for a 1.6cm long single mode waveguide amplifier.
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Quang et al. (2006) studied this question.
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