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Thin Film Filter for Broadband IR Integrated Waveguide Amplifiers

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Abstract

A new S-type of IR integrated waveguide amplifiers, based on erbium-ytterbium co-doped phosphate glass integrated with medium thin film filter, is proposed. The intrinsical gain spectrum of the proposed amplifier is obtained by solving rate and power propagation equations, a thin film filter flattening this intrinsical gain spectrum is designed by genetic algorithm, and fabricated. An average gain >10dB is obtained between 1530nm and 1560nm, and the average gain about 18dB between 1531nm and 1550nm with gain difference of <3dB is achieved.

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Correspondence to Haiyan Chen.

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Chen, H., Dai, J. & Liu, Y. Thin Film Filter for Broadband IR Integrated Waveguide Amplifiers. Int J Infrared Milli Waves 26, 297–305 (2005). https://doi.org/10.1007/s10762-005-3007-z

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  • DOI: https://doi.org/10.1007/s10762-005-3007-z

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