Abstract

Word-by-word logical and and or operation with photon-echo processing is demonstrated for what is to our knowledge the first time. The photon-echo process can store sequences of optical data before processing. The present logical operations on 8- and 4-bit words are performed by using single-shot frequency-chirped photon echoes. Data rates of approximately 1 MHz, input energies of 1–10 nJ/bit, and output energies in the picojoule-per-bit range are demonstrated by using a transition with a transition probability of only 20 s⁻¹.

© 1993 Optical Society of America

Random access processing of optical memory by use of photon-echo interference effects

M. Arend, E. Block, and S. R. Hartmann
Opt. Lett. 18(21) 1789-1791 (1993)

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