Inhibited-enhanced spontaneous emission in 2D photonic crystal waveguides

Spontaneous emission of all atom embedded in a two-dimensional photonic crystal waveguide is studied both under the quantum and the classical point of view. It is shown that, whenever one of the sides of the photonic crystal waveguide is closed by a lattice that has a band-gap at the held frequency, spontaneous emission depends on the distance between the emitter and the closed waveguide end, and it may be either reduced to zero or enhanced.