Abstract
We observed angular multiplexing storage of multiple light pulses in a ${\text{Pr}}^{3+}:{\text{Y}}_{2}{\text{SiO}}_{5}$ crystal based on electromagnetically induced transparency. Addressable routing of stored light pulses with an angular resolution of $\ensuremath{\sim}1\ifmmode^\circ\else\textdegree\fi{}$ and without cross-talk between two neighboring channels, which serves as an addressable optical buffer memory, was demonstrated experimentally in a 3-mm ${\text{Pr}}^{3+}:{\text{Y}}_{2}{\text{SiO}}_{5}$ crystal. Angular multiplexing storage of light pulses opens a way to manipulate light pulses selectively and in parallel, and therefore, is of important potential applications in quantum information processing and addressable all-optical delay lines and buffers.
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