One-step printable platform for high-efficiency metasurfaces down to the deep-ultraviolet region

Kim, Joohoon; Kim, Won-Joong; Oh, Dong Kyo; Kang, Hyunjung; Kim, Hongyoon; Badloe, Trevon; Kim, Seokwoo; Park, Chanwoong; Choi, Hojung; Lee, Heon; Rho, Junsuk

doi:10.1038/s41377-023-01086-6

Cited by 58 publications

(50 citation statements)

References 42 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The simple design of the metasurfaces has allowed their fabrication using NIL with high throughput. Moreover, thanks to the simple design, the metasurfaces can also be realized by using other facile, cost‐effective fabrication methods, [ 51,52 ] which will further pave the way for metasurface‐generated holography for more practical applications in different wavelength regimes. In addition, with the efforts to contain high‐density data capacity of a single metasurface, the current research findings can be easily combined with other design approaches such as spatial multiplexing, and meta‐atom design.…”

Section: Discussionmentioning

confidence: 99%

Multicolor and 3D Holography Generated by Inverse‐Designed Single‐Cell Metasurfaces

Kim

Badloe

et al. 2023

Advanced Materials

Self Cite

View full text Add to dashboard Cite

precise tailoring of electromagnetic waves through arbitrary control of the phase, [2] amplitude, [3] and polarization. [4] Such properties have been exploited in promising potentials to miniaturize devices in various optical applications such as computergenerated holography, [5,6] imaging, [7,8] and optical communications. [9][10][11] In particular, the versatility of metasurface-generated holography for recreating dynamic images has attracted tremendous interest for various applications in virtual and augmented reality, [12,13] optical data storage, [14] and security. [15][16][17] So far, metasurface-generated holography has been actively reported for high efficiency, [6,18] multicolor, [19,20] and three-dimensional (3D) holography. [21,22] For these promising practical applications, the ultimate goal is to increase data capacities by using multifunctional metasurfaces with independent holographic information channels for various physical properties of light, including polarization, [23] wavelength, [19] and orbital angular momentum. [24,25] The most general approach to design multifunctional metasurfaces is based on physical intuition to circumvent the information capacity limitations of single metasurfaces. These intuition-guided design methods include either using spatial multiplexing schemes [19,20,26] or engineering the meta-atom response to light with different properties. [27][28][29] The first approach exploits Metasurface-generated holography has emerged as a promising route for fully reproducing vivid scenes by manipulating the optical properties of light using ultra-compact devices. However, achieving multiple holographic images using a single metasurface is still difficult due to the capacity limit of a single meta-atom. In this work, an inverse design method based on gradient-descent optimization is presented to encode multiple pieces of holographic information into a single metasurface. The proposed method allows the inverse design of single-cell metasurfaces without the need for complex meta-atom design strategies, facilitating high-throughput fabrication using broadband low-loss materials. By exploiting the proposed design method, both multiplane red-green-blue (RGB) color and three-dimensional (3D) holograms are designed and experimentally demonstrated. Multiplane RGB color holograms with nine distinct holograms are achieved, which demonstrate the state-of-the-art data capacity of a phase-only metasurface. The first experimental demonstration of metasurface-generated 3D holograms with completely independent and distinct images in each plane is also presented. The current research findings provide a viable route for practical metasurface-generated holography by demonstrating the high-density holography produced by a single metasurface. It is expected to ultimately lead to optical storage, display, and full-color imaging applications.The ORCID identification number(s) for the author(s) of this article can be found under https://doi.org/10.1002/adma.202208520.

show abstract

Section: Discussionmentioning

confidence: 99%

Multicolor and 3D Holography Generated by Inverse‐Designed Single‐Cell Metasurfaces

Kim

Badloe

et al. 2023

Advanced Materials

Self Cite

View full text Add to dashboard Cite

show abstract

“…Nanoimprint lithography (NIL) is a low-cost, high-throughput, and high-resolution patterning method that involves the use of a soft stamp. It has been actively researched by using various materials [33–37] and combining with different fabrication methods [38] . In NIL processes, a stamp consisting of inverse patterns replicates the desired patterns on a substrate by curing the resist with ultraviolet (UV) or heat.…”

Section: Soft Lithographymentioning

confidence: 99%

Emerging low-cost, large-scale photonic platforms with soft lithography and self-assembly

et al. 2023

Self Cite

View full text Add to dashboard Cite

.Advancements in micro/nanofabrication have enabled the realization of practical micro/nanoscale photonic devices such as absorbers, solar cells, metalenses, and metaholograms. Although the performance of these photonic devices has been improved by enhancing the design flexibility of structural materials through advanced fabrication methods, achieving large-area and high-throughput fabrication of tiny structural materials remains a challenge. In this aspect, various technologies have been investigated for realizing the mass production of practical devices consisting of micro/nanostructural materials. This review describes the recent advancements in soft lithography, colloidal self-assembly, and block copolymer self-assembly, which are promising methods suitable for commercialization of photonic applications. In addition, we introduce low-cost and large-scale techniques realizing micro/nano devices with specific examples such as display technology and sensors. The inferences presented in this review are expected to function as a guide for promising methods of accelerating the mass production of various sub-wavelength-scale photonic devices.

show abstract

“…Firstly Due to the pronounced aspect ratio of the building block some of the steps required in nanoimprint lithography may be omitted. For instance, no mold is needed [72][73][74] to pattern the surface. 75 Sophisticated and difficult to scale procedures as supercritical drying, 76 interface self-assembly 77 or special set-ups 78 are not required to correctly place the building blocks.…”

Section: Defogging Metasurfacementioning

confidence: 99%

Fabricating defogging metasurfaces via a water-based colloidal route

et al. 2023

View full text Add to dashboard Cite

show abstract

One-step printable platform for high-efficiency metasurfaces down to the deep-ultraviolet region

Cited by 58 publications

References 42 publications

Multicolor and 3D Holography Generated by Inverse‐Designed Single‐Cell Metasurfaces

Multicolor and 3D Holography Generated by Inverse‐Designed Single‐Cell Metasurfaces

Emerging low-cost, large-scale photonic platforms with soft lithography and self-assembly

Fabricating defogging metasurfaces via a water-based colloidal route

Contact Info

Product

Resources

About