Asymmetric light diffraction of an atomic grating with PT symmetry.
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DOI: 10.1364/ol.42.004283
Abstract: Cold atoms trapped in one-dimensional optical lattices and driven to the four-level N configuration are exploited for achieving an electromagnetically induced grating with parity-time-symmetry. This nontrivial grating exhibits unidirectional diffraction patterns, e.g., with incident probe photons… read more here.
Keywords: diffraction atomic; light diffraction; diffraction; asymmetric light ... See more keywords