Journal
NATURE COMMUNICATIONS
Volume 8, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/s41467-017-00164-9
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Funding
- National Natural Science Foundation of China [61471006, 61631007, 61571117]
- 111 Project [111-2-05]
- National Research Foundation, Prime Minister's Office, Singapore, under its Competitive Research Programme (CRP Award) [NRF-CRP15-2015-03]
- ERC consolidator grant (TOPOLOGICAL)
- Royal Society
- Wolfson Foundation
- Leverhulme [RPG-2012-674]
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Metasurfaces have enabled a plethora of emerging functions within an ultrathin dimension, paving way towards flat and highly integrated photonic devices. Despite the rapid progress in this area, simultaneous realization of reconfigurability, high efficiency, and full control over the phase and amplitude of scattered light is posing a great challenge. Here, we try to tackle this challenge by introducing the concept of a reprogrammable hologram based on 1-bit coding metasurfaces. The state of each unit cell of the coding metasurface can be switched between '' and '' by electrically controlling the loaded diodes. Our proof-of-concept experiments show that multiple desired holographic images can be realized in real time with only a single coding metasurface. The proposed reprogrammable hologram may be a key in enabling future intelligent devices with reconfigurable and programmable functionalities that may lead to advances in a variety of applications such as microscopy, display, security, data storage, and information processing.
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