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Meta-optics redefines microdisplay: monolithic color LCoS without polarization dependency

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Yayımlandı:Nature Communications vol. 16, no. 1 (2025), p. 10925-10935
Yazar: Ou, Xiangnian
Diğer Yazarlar: Hu, Yueqiang, Yu, Dian, Liu, Shulin, Lou, Shaozhen, Shu, Zhiwen, Wei, Wenzhi, Liu, Man, Li, Jianxiong, Chang, Tianhai, Liu, Na, Duan, Huigao
Baskı/Yayın Bilgisi:
Nature Publishing Group
Konular:
Phase modulation
Image resolution
Liquid crystals
Prototypes
Light emitting diodes
Polarization
Displays
Color
Metasurfaces
Optics
Silicon
Efficiency
Amplitude modulation
Crystals
Simulation
Pixels
Fabrication
Sensitivity
Design
Complexity
Projectors
Embedding
Optical switching
Environmental
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Özet:Liquid crystal on silicon (LCoS) panels are pivotal to high-resolution optical projection and imaging displays, yet their inherent polarization sensitivity and reliance on multi-chip architectures for color reproduction constrain the upper limit of light utilization, increase system complexity and restrict broader applicability. Here, we demonstrate a monolithic color meta-LCoS prototype that integrates dual-layer metasurfaces to achieve polarization-insensitive, full-color amplitude modulation on a single chip. Polarization sensitivity is eliminated via a synergistic design combining metasurface-enabled polarization conversion and voltage-controlled liquid crystal phase modulation, achieving a high-contrast, polarization-insensitive optical switch. By embedding red, green, and blue metasurface subpixels and meticulously designed off-axis angles, enabling direct color synthesis through a unified device. We showcase a 64-pixel monochrome and a 9-pixel color prototype capable of dynamically projecting diverse patterns under unpolarized illumination. Fully compatible with existing LCoS fabrication processes, our device significantly reduces system complexity and cost, offering transformative applications in next-generation projectors and AR/VR displays.Liquid crystals on silicon (LCoS) devices are limited by the polarization sensitivity and reliance on complex architectures for full-color integration. Here, the authors demonstrate a metasurface-integrated LCoS device for polarisation-insensitive, full-color amplitude modulation on a single chip.
ISSN:2041-1723
DOI:10.1038/s41467-025-66032-z
Kaynak:Health & Medical Collection