Fig. 1: Principle of the Brillouin-based memory. | npj Nanophotonics

Fig. 1: Principle of the Brillouin-based memory.

From: Brillouin light storage for 100 pulse widths

Fig. 1

(I) An optical data pulse of width 150 ps is depleted by a strong counter-propagating “write” pulse, storing the data pulse as an acoustic excitation (II). Retrieval process: a read pulse depletes the acoustic wave, converting the data pulse back to the optical domain (III).

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