Subnanoscale resolution for microscopy via coherent population trapping
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We present a coherent-population-trapping-based scheme to attain subnanoscale resolution for microscopy. We use three-level atoms coupled to an amplitude modulated probe field and a spatially dependent (standing-wave or Laguerre-Gaussian) coupling field, The probe field modulation allows us to tap into the steep dispersion normally associated with electromagnetically induced transparency and offers subnanometer resolution using optical fields. © 2010 Optical Society of America.
author list (cited authors)
Kapale, K. T., & Agarwal, G. S.