Metasurface Holography for Optical Applications

Metasurface holography harnesses arrays of subwavelength scatterers to impart precise phase, amplitude and polarization control to incident light, enabling ultra-thin holographic elements with unprecedented functionality. By engineering each meta-atom’s geometry or orientation, arbitrary wavefronts can be reconstructed in free space or along surfaces, overcoming the size, weight and aberration limitations of conventional diffractive optics. Recent advances in materials — from high-index dielectrics to two-dimensional crystals and topological insulators — have improved efficiency, bandwidth and angular tolerance. Active metasurfaces incorporating liquid crystals, phase-change media or strain-responsive substrates add dynamic reconfigurability, suitable for real-time displays, beam steering and adaptive security tags. Key challenges include minimising chromatic dispersion for broadband achromatic operation, scaling fabrication to large areas with nanoscale fidelity, and integrating on flexible or non-planar platforms. Success in addressing these issues promises compact holographic displays, high-density data storage, multifunctional imaging systems and novel optical components for communication and sensing across visible to infrared regimes.

Research from Nature Portfolio

Building on foundational work in plasmonic nanorod assemblies, researchers have realised on-axis three-dimensional holograms with high resolution and wide field of view by exploiting phase discontinuities at each unit cell. Innovations in topological insulator films have led to nanometric-scale holograms, where intrinsic resonant cavities between metallic surfaces and bulk amplify phase shifts in films thinner than one-tenth of the operational wavelength. Moreover, flexible conformable metasurfaces have been demonstrated on ultrathin polymer membranes, producing helicity-multiplexed visible holographic images on curved substrates, thus opening pathways to wearable displays and curved optics without sacrificing image fidelity or efficiency.

Metasurface Holography for Optical Applications publication trend

The graph below shows the total number of articles in metasurface holography for optical applications across all publications each year (not limited to Nature Index journals).

Technical terms

Metasurface: An ultrathin planar assembly of engineered subwavelength elements that imparts spatially varying optical responses to control wavefronts with high resolution.

Pancharatnam–Berry phase: A geometric phase arising from the rotation of anisotropic meta-atoms, used to encode phase information by the element orientation rather than physical thickness.

Achromatic holography: Holographic image reconstruction free from chromatic dispersion over a specified wavelength range, achieved by compensating phase variations across colours.

Plasmonic metasurface: A metasurface in which each nano-element supports surface plasmon resonances, enabling strong light–matter interaction at metal–dielectric interfaces.

Conformal metasurface: A flexible metasurface that can adhere to non-planar substrates, maintaining designed optical functionality under bending or curvature.

Space–bandwidth product: A figure of merit for holographic devices, defining the trade-off between field of view and spatial resolution in reconstructed images.

References

1. Multi‐Wavelength Achromatic 3D Meta‐holography with Zoom Function. Advanced Science (2025).
2. Broadband and chiral binary dielectric meta-holograms. Science Advances (2016).
3. Metasurface holography: from fundamentals to applications. Nanophotonics (2018).
4. Three-dimensional optical holography using a plasmonic metasurface. Nature Communications (2013).
5. Decoupling optical function and geometrical form using conformal flexible dielectric metasurfaces. Nature Communications (2016).
6. Nanometric holograms based on a topological insulator material. Nature Communications (2017).
7. Progresses in the practical metasurface for holography and lens. Nanophotonics (2019).