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Creators/Authors contains: "Yılmaz, Hasan"

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  1. ; ; ; ; ; ; (, Physical Review B)
  2. ; ; ; ; ; ; (, Nature Photonics)
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  3. ; ; ; ; ; ; ; (, Physical Review Letters)
  4. ; ; ; ; ; (, Nature Physics)
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  5. ; ; ; ; (, Physical Review X)
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  6. ; ; ; (, Optica Publishing Group)
    We experimentally and numerically study the fluctuations and correlations of transmission eigenchannel profiles in diffusive media. We find that high-transmission profiles exhibit low realization-to-realization fluctuations and significant correlations exist between low-transmission profiles. 
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  7. ; ; ; (, Physical Review Letters)
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  8. ; ; ; ; (, Optica)
    Speckle patterns have been used widely in imaging techniques such as ghost imaging, dynamic speckle illumination microscopy, structured illumination microscopy, and photoacoustic fluctuation imaging. Recent advances in the ability to control the statistical properties of speckles has enabled the customization of speckle patterns for specific imaging applications. In this work, we design and create special speckle patterns for parallelized nonlinear pattern-illumination microscopy based on fluorescence photoswitching. We present a proof-of-principle experimental demonstration where we obtain a spatial resolution three times higher than the diffraction limit of the illumination optics in our setup. Furthermore, we show that tailored speckles vastly outperform standard speckles. Our work establishes that customized speckles are a potent tool in parallelized super-resolution microscopy. 
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  9. ; ; ; ; ; ; ; ; ; ; et al (, Journal of Physics: Photonics)
    Abstract The last decade has seen the development of a wide set of tools, such as wavefront shaping, computational or fundamental methods, that allow us to understand and control light propagation in a complex medium, such as biological tissues or multimode fibers. A vibrant and diverse community is now working in this field, which has revolutionized the prospect of diffraction-limited imaging at depth in tissues. This roadmap highlights several key aspects of this fast developing field, and some of the challenges and opportunities ahead. 
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