1. Development of Broadband Sources Based on Semiconductor Optical Amplifiers and Erbium-Doped Fiber Amplifiers for Optical Coherence Tomography

    Development of Broadband Sources Based on Semiconductor Optical Amplifiers and Erbium-Doped Fiber Amplifiers for Optical Coherence Tomography
    Broadband sources (BBSs) are commonly used in a wide range of applications in optical communication systems and biophotonics. They are particularly useful tools for biomedical imaging techniques such as optical coherence tomography (OCT). In order to obtain high image quality, we have developed a novel, low-cost, BBS based on semiconductor optical amplifiers combined with an erbium-doped fiber amplifier. It has bandwidth (BW) between 100 and 150 nm (ranging from 1450 to 1630 nm) and output power between 4 and 9 mW. Several configurations optimizing the BW, the spectral shape, and the output power are compared and tested in a time-domain ...
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