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  1. Article

    Open Access

    Lensless fiber endomicroscopy in biomedicine

    Lensless fiber endomicroscopy, an emergent paradigm shift for minimally-invasive microscopic optical imaging and targeted light delivery, holds transformative potential, especially in biomedicine. Leveraging h...

    Jiawei Sun, Robert Kuschmierz, Ori Katz, Nektarios Koukourakis in PhotoniX (2024)

  2. Article

    Open Access

    AI-driven projection tomography with multicore fibre-optic cell rotation

    Optical tomography has emerged as a non-invasive imaging method, providing three-dimensional insights into subcellular structures and thereby enabling a deeper understanding of cellular functions, interactions...

    Jiawei Sun, Bin Yang, Nektarios Koukourakis, Jochen Guck in Nature Communications (2024)

  3. Article

    Open Access

    Quantitative phase imaging through an ultra-thin lensless fiber endoscope

    Quantitative phase imaging (QPI) is a label-free technique providing both morphology and quantitative biophysical information in biomedicine. However, applying such a powerful technique to in vivo pathological...

    Jiawei Sun, Jiachen Wu, Song Wu, Ruchi Goswami in Light: Science & Applications (2022)

  4. Article

    Open Access

    Real-time complex light field generation through a multi-core fiber with deep learning

    The generation of tailored complex light fields with multi-core fiber (MCF) lensless microendoscopes is widely used in biomedicine. However, the computer-generated holograms (CGHs) used for such applications a...

    Jiawei Sun, Jiachen Wu, Nektarios Koukourakis, Liangcai Cao in Scientific Reports (2022)

  5. Article

    Open Access

    Physical Layer Security in Multimode Fiber Optical Networks

    The light propagation through a multimode fiber is used to increase information security during data transmission without the need for cryptographic approaches. The use of an inverse precoding method in a mult...

    Stefan Rothe, Nektarios Koukourakis, Hannes Radner, Andrew Lonnstrom in Scientific Reports (2020)

  6. Article

    Open Access

    Diffraction-limited axial scanning in thick biological tissue with an aberration-correcting adaptive lens

    Diffraction-limited deep focusing into biological tissue is challenging due to aberrations that lead to a broadening of the focal spot. The diffraction limit can be restored by employing aberration correction ...

    Katrin Philipp, Florian Lemke, Stefan Scholz, Ulrike Wallrabe in Scientific Reports (2019)