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Proceedings Paper

Nanophotonic hierarchical hologram: hierarchical information processing and nanometric data retrieval based on nanophotonics
Author(s): Naoya Tate; Makoto Naruse; Takashi Yatsui; Tadashi Kawazoe; Morihisa Hoga; Yasuyuki Ohyagi; Tokuhiro Fukuyama; Yoko Sekine; Mitsuru Kitamura; Motoichi Ohtsu
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Paper Abstract

A nanophotonic hierarchical hologram works in both optical far-fields and near-fields, the former being associated with conventional holographic images, and the latter being associated with the optical intensity distribution based on a nanometric structure that is accessible only via optical near-fields. In principle, a structural change occurring at the subwavelength scale does not affect the optical response functions, which are dominated by propagating light. Therefore, the visual aspect of the hologram is not affected by such a small structural change on the surface, and retrieval in both fields can be processed independently. We propose embedding a nanophotonic code, which is retrievable via optical near-field interactions involving nanometric structures, within an embossed hologram. Due to the one-dimensional grid structure of the hologram, evident polarization dependence appears in retrieving the code. Here we describe the basic concepts, numerical simulations, and experimental demonstrations of a prototype nanophotonic hierarchical hologram with a nanophotonic code and describe its optical characterization.

Paper Details

Date Published: 7 February 2011
PDF: 8 pages
Proc. SPIE 7957, Practical Holography XXV: Materials and Applications, 79570M (7 February 2011); doi: 10.1117/12.873535
Show Author Affiliations
Naoya Tate, The Univ. of Tokyo (Japan)
Makoto Naruse, The Univ. of Tokyo (Japan)
National Institute of Information and Communications Technology (Japan)
Takashi Yatsui, The Univ. of Tokyo (Japan)
Tadashi Kawazoe, The Univ. of Tokyo (Japan)
Morihisa Hoga, Dai Nippon Printing Co., Ltd. (Japan)
Yasuyuki Ohyagi, Dai Nippon Printing Co., Ltd. (Japan)
Tokuhiro Fukuyama, Dai Nippon Printing Co., Ltd. (Japan)
Yoko Sekine, Dai Nippon Printing Co., Ltd. (Japan)
Mitsuru Kitamura, Dai Nippon Printing Co., Ltd. (Japan)
Motoichi Ohtsu, The Univ. of Tokyo (Japan)

Published in SPIE Proceedings Vol. 7957:
Practical Holography XXV: Materials and Applications
Hans I. Bjelkhagen, Editor(s)

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