Nanofiber-based all-optical switches

  title={Nanofiber-based all-optical switches},
  author={Fam Le Kien and Arno Rauschenbeutel},
  journal={Physical Review A},
We study all-optical switches operating on a single four-level atom with the $N$-type transition configuration in a two-mode nanofiber cavity with a significant length (on the order of $20$ mm) and a moderate finesse (on the order of 300) under the electromagnetically induced transparency (EIT) conditions. In our model, the gate and probe fields are the quantum nanofiber-cavity fields excited by weak classical light pulses, and the parameters of the $D_2$ line of atomic cesium are used. We… 
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