Ultrahigh-capacity non-periodic photon sieves operating in visible light

Kun Huang, Hong Liu, Francisco J. Garcia-Vidal, Minghui Hong, Boris Luk’yanchuk, Jinghua Teng () and Cheng-Wei Qiu ()
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Kun Huang: National University of Singapore
Hong Liu: Institute of Materials Research and Engineering, Agency for Science, Technology and Research
Francisco J. Garcia-Vidal: Universidad Autonoma de Madrid
Minghui Hong: National University of Singapore
Boris Luk’yanchuk: Data Storage Institute, Agency for Science, Technology and Research
Jinghua Teng: Institute of Materials Research and Engineering, Agency for Science, Technology and Research
Cheng-Wei Qiu: National University of Singapore

Nature Communications, 2015, vol. 6, issue 1, 1-7

Abstract: Abstract Miniaturization of optical structures makes it possible to control light at the nanoscale, but on the other hand it imposes a challenge of accurately handling numerous unit elements in a miniaturized device with aperiodic and random arrangements. Here, we report both the new analytical model and experimental demonstration of the photon sieves with ultrahigh-capacity of subwavelength holes (over 34 thousands) arranged in two different structural orders of randomness and aperiodicity. The random photon sieve produces a uniform optical hologram with high diffraction efficiency and free from twin images that are usually seen in conventional holography, while the aperiodic photon sieve manifests sub-diffraction-limit focusing in air. A hybrid approach is developed to make the design of random and aperiodic photon sieve viable for high-accuracy control of the amplitude, phase and polarization of visible light. The polarization independence of the photon sieve will also greatly benefit its applications in optical imaging and spectroscopy.

Date: 2015
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DOI: 10.1038/ncomms8059

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