Nanophotonic hierarchical hologram: hierarchical information processing and nanometric data retrieval based on nanophotonics

Naoya Tate; Makoto Naruse; Takashi Yatsui; Tadashi Kawazoe; Morihisa Hoga; Yasuyuki Ohyagi; Tokuhiro Fukuyama; Yoko Sekine; Mitsuru Kitamura; Motoichi Ohtsu

doi:10.1117/12.873535

7 February 2011 Nanophotonic hierarchical hologram: hierarchical information processing and nanometric data retrieval based on nanophotonics

Naoya Tate, Makoto Naruse, Takashi Yatsui, Tadashi Kawazoe, Morihisa Hoga, Yasuyuki Ohyagi, Tokuhiro Fukuyama, Yoko Sekine, Mitsuru Kitamura, Motoichi Ohtsu

Author Affiliations +

Proceedings Volume 7957, Practical Holography XXV: Materials and Applications; 79570M (2011) https://doi.org/10.1117/12.873535
Event: SPIE OPTO, 2011, San Francisco, California, United States

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.

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Naoya Tate, Makoto Naruse, Takashi Yatsui, Tadashi Kawazoe, Morihisa Hoga, Yasuyuki Ohyagi, Tokuhiro Fukuyama, Yoko Sekine, Mitsuru Kitamura, and Motoichi Ohtsu "Nanophotonic hierarchical hologram: hierarchical information processing and nanometric data retrieval based on nanophotonics", Proc. SPIE 7957, Practical Holography XXV: Materials and Applications, 79570M (7 February 2011); https://doi.org/10.1117/12.873535

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KEYWORDS

Nanophotonics

Holograms

Near field optics

Polarization

Nano opto mechanical systems

Nanolithography

Near field

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