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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 21, Iss. 11 — Jun. 1, 1996
  • pp: 833–835

Impulse-equivalent time-domain optical memory

X. A. Shen, R. Hartman, and R. Kachru  »View Author Affiliations


Optics Letters, Vol. 21, Issue 11, pp. 833-835 (1996)
http://dx.doi.org/10.1364/OL.21.000833


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Abstract

We propose a novel approach to time-domain storage of serial optical data. In this approach, two identical impulse-equivalent sequences are used as write and read pulses to store and later retrieve optical information. These pulse sequences are both amplitude and phase modulated in such a way that their autocorrelations resemble, as closely as theoretically possible, the autocorrelation of a single large brief pulse to ensure faithful data retrieval. Such impulse-equivalent sequences are known to exist for all lengths, permitting the storage of large-bandwidth data. The advantages of this approach include modest laser power requirement, high signal fidelity, and encrypted recording.

© 1996 Optical Society of America

History
Original Manuscript: November 16, 1995
Published: June 1, 1996

Citation
X. A. Shen, R. Hartman, and R. Kachru, "Impulse-equivalent time-domain optical memory," Opt. Lett. 21, 833-835 (1996)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-21-11-833

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