A magnetic field lifts the degeneracy that creates a non-decaying dark state of an atom in a single-mode waveguide, enabling a controllable single-photon source and a single-atom switch with transmission tunable from zero to one.
Passing to the stationary regime, we should consider initially excited source atom far from the atomic ensemble generating the probe wave
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Single atom optical gate and single photon source based on magnetooptical effects in a waveguide
A magnetic field lifts the degeneracy that creates a non-decaying dark state of an atom in a single-mode waveguide, enabling a controllable single-photon source and a single-atom switch with transmission tunable from zero to one.