Superresolution via structured illumination quantum correlation microscopy
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© 2017 Optical Society of America. We propose to use intensity correlation microscopy in combination with structured illumination to image quantum emitters that exhibit antibunching with a spatial resolution reaching far beyond the Rayleigh limit. Combining intensity measurements and intensity autocorrelations up to order m creates an effective PSF with an FWHM shrunk by the factor (Formula Presented). Structured illumination microscopy, on the other hand, introduces a resolution improvement of factor 2 by use of the principle of moiré fringes. Here, we show that for linear low-intensity excitation and linear optical detection, the simultaneous use of both techniques leads to a theoretically unlimited resolution power, with the improvement scaling favorably as m + (Formula Presented), dependent on the correlation order m. Hence, this technique should be of interest in microscopy for imaging a variety of samples, including biological ones. We present the underlying theory and simulations, demonstrating the highly increased spatial superresolution, and point out the requirements for an experimental implementation.
author list (cited authors)
Classen, A., von Zanthier, J., Scully, M. O., & Agarwal, G. S
complete list of authors
Classen, Anton||von Zanthier, Joachim||Scully, Marlan O||Agarwal, Girish S