Multidimensional holography by persistent spectral hole burning

Renn, A.; Wild, U. P.; Rebane, A. (2002). Multidimensional holography by persistent spectral hole burning. J. Phys. Chem. A, 106 (13), 3045-3060.
ajakirjaartikkel
Renn, A.; Wild, U. P.; Rebane, A.
J. Phys. Chem. A
1089-5639
106
13
2002
3045-3060
Ilmunud
1.1. Teadusartiklid, mis on kajastatud Web of Science andmebaasides Science Citation Index Expanded, Social Sciences Citation Index, Arts & Humanities Citation Index ja/või andmebaasis Scopus (v.a. kogumikud)
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English, Persistent spectral hole burning (PSHB) in organic molecules doped in a polymer matrix at low temperatures allows optical recording of information in the dimensions of frequency and time, as well as in space and externally applied electric field. We use this special property to demonstrate new types of holograms, which extend conventional spatial-domain optical data storage into the new dimensions. Basic aspects of recording and playback of holograms by persistent spectral hole burning, including relation between frequency- and time-domain response function, is discussed. This paper is elucidating inherent relations between the time-and frequency-domain versions of PSHB holography. We show that by multiplexing holograms in the frequency dimension, we can store a large number (up to 12 000) of image holograms using a single spectral hole burning sample. In the time domain, we show storage and reproduction of ultrashort time-space images on the scale of 10(-12)-10(-13) s. Experiments demonstrating unusual hologram properties, such as causality-related asymmetry of diffraction, inversion of time coordinate, and ultrafast processing, are presented.
FREQUENCY-SELECTIVE MEDIA; SPACE-DOMAIN HOLOGRAMS; TIME-DOMAIN;