Convolution, Correlation, And Storage Of Optical Data In Inhomogeneously Broadened Absorbing Materials

W. R. Babbitt; Y. S. Bai; T. W. Mossberg

doi:10.1117/12.964348

24 September 1986 Convolution, Correlation, And Storage Of Optical Data In Inhomogeneously Broadened Absorbing Materials

W. R. Babbitt, Y. S. Bai, T. W. Mossberg

Author Affiliations +

Proceedings Volume 0639, Optical Information Processing II; (1986) https://doi.org/10.1117/12.964348
Event: 1986 Technical Symposium Southeast, 1986, Orlando, United States

Abstract

We discuss the light signals that are coherently emitted by some optical absorbers sub-sequent to excitation by a series of three laser excitation pulses. In some cases, the light signal emitted by the material duplicates the temporal shape of one of the laser in-put pulses. In other cases, the emitted signal represents the convolution or cross-correlation of two of the laser input pulses. In principle, digitally encoded signals of multi-gigahertz bandwidth can be convolved in real time, or, in suitable materials, stored for long periods. Output signals on the order of a few percent as intense as the inputs are possible. We provide experimental demonstrations of these effects, and discuss their implementation in optical signal processing and data storage systems.

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W. R. Babbitt, Y. S. Bai, and T. W. Mossberg "Convolution, Correlation, And Storage Of Optical Data In Inhomogeneously Broadened Absorbing Materials", Proc. SPIE 0639, Optical Information Processing II, (24 September 1986); https://doi.org/10.1117/12.964348

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