Active optic glass for broad-band amplification by erbium-bismuth activators

V. Jeřábek; D. Mareš; J. Šmejcký; J. Voves; J. Cajzl; P. Nekvindová; San-Liang Lee

doi:10.1117/12.2664952

31 May 2023 Active optic glass for broad-band amplification by erbium-bismuth activators

V. Jeřábek, D. Mareš, J. Šmejcký, J. Voves, J. Cajzl, P. Nekvindová, San-Liang Lee

Proceedings Volume 12575, Integrated Optics: Design, Devices, Systems and Applications VII; 125750F (2023) https://doi.org/10.1117/12.2664952
Event: SPIE Optics + Optoelectronics, 2023, Prague, Czech Republic

Conference Poster

Abstract

Our work presents research of the optical Ge-Si glass composition doped with Er³⁺, Yb³⁺ ions and Bi optically active centers (BACs), which are useful for optically amplifiers for a double C- and U-band. The luminescence response in the 1500 – 1700 nm range was tested with various types of glass with different content of modifier and activators in the 1500 – 1700 nm range. The maxima of the luminescence intensity and the spectral full width were determined by modified reflex spectrum method measurement. The prepared Ge-Si glass doped with Er³⁺ ions and BACs exhibited strong and balanced emission in the 1520 – 1680 nm range after pumping at 1480 nm. The specific balanced optical differential gain of up to 0.2 dB/cm in the C-band and simultaneously 0.2 dB/cm in the U-band was measured. The measured results prove that the investigated germano-silicate glasses doped with Er³⁺ and Bi ions are promising for optical amplifiers working in the optical C- and U-bands.

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V. Jeřábek, D. Mareš, J. Šmejcký, J. Voves, J. Cajzl, P. Nekvindová, and San-Liang Lee "Active optic glass for broad-band amplification by erbium-bismuth activators", Proc. SPIE 12575, Integrated Optics: Design, Devices, Systems and Applications VII, 125750F (31 May 2023); https://doi.org/10.1117/12.2664952

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