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20 June 2024 Towards a label free coherent detectorless imaging module in photonic integrated circuits
Maurizio Dabbicco, Başak Ersöz, Paolo Bardella, Lorenzo L. Columbo, Massimo Brambilla
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Proceedings Volume 13006, Biomedical Spectroscopy, Microscopy, and Imaging III; 130060R (2024) https://doi.org/10.1117/12.3029530
Event: SPIE Photonics Europe, 2024, Strasbourg, France
Abstract
We discuss and present preliminary experimental evidence of three novel add-on functionalities that can make Optical Feedback Imaging a truly small footprint and label-free bioimaging technology. The first is single-pixel compressed sensing. Here we report on scanless optical feedback imaging in free space by spatially modulated illumination of the target. The second is chemical sensitivity. Here, we report the identification of several pigments by selective spectral discrimination at three different wavelengths. The third functionality is the integration of OFI in silicon photonic chips. Here we identify the building blocks necessary to implement a scanless imaging system in an integrated photonic chip and show evidence of laser modulation through optical feedback provided by the emitted radiation after passing through a silicon passive integrated waveguide.
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(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Maurizio Dabbicco, Başak Ersöz, Paolo Bardella, Lorenzo L. Columbo, and Massimo Brambilla "Towards a label free coherent detectorless imaging module in photonic integrated circuits", Proc. SPIE 13006, Biomedical Spectroscopy, Microscopy, and Imaging III, 130060R (20 June 2024); https://doi.org/10.1117/12.3029530
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KEYWORDS
Photonic integrated circuits
Coherence imaging
Imaging systems
Laser applications
Semiconductor lasers
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