Experimental characterization of an o-band bismuth-doped fiber amplifier Article Swipe

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Optics Materials science Wavelength-division multiplexing Optical amplifier C band Amplifier Erbium doped fiber amplifier Polarization-maintaining optical fiber Optoelectronics Optical fiber Wavelength Bismuth Fiber optic sensor Physics CMOS Metallurgy Laser

Natsupa Taengnoi , Kyle R. H. Bottrill , Yang Hong , Yu Wang , Naresh Kumar Thipparapu , J. K. Sahu , Periklis Petropoulos , David J. Richardson ·

YOU? · · 2021 · Open Access · · DOI: https://doi.org/10.1364/oe.420995 · OA: W3159288110

The recent emergence of bismuth-doped fiber amplifiers (BDFAs) offers the potential to transmit high-speed WDM signals over long distances in the O-band spectral region, thereby greatly enhancing the scope of systems utilizing these wavelengths. In this paper, we present a comprehensive experimental study on several basic characteristics of an O-band BDFA based on a phosphosilicate optical fiber, including the frequency-dependent noise figure, gain tilt (static and dynamic), transient response, and polarization dependent gain. We discuss our findings and their implications on the use of BDFA technology in high bit-rate multichannel systems.