Multi-Dimensional Light-Emitting Meta-Display: Photoluminescence and Pumping Light Multiplexing

Area of Science:

• Optoelectronics
• Metamaterials
• Nanophotonics

Background:

• Intelligent display devices require advanced miniature light-emitting components.
• Light-emitting metasurfaces offer precise light modulation but face limitations.
• Current limitations include simultaneous manipulation of pumping/emitting light and multi-dimensional encoding freedom.

Purpose of the Study:

• To develop a light-emitting metasurface with independent control over pumping and fluorescence light.
• To expand encoding freedom in multi-dimensional emitting light.
• To demonstrate a practical metasurface for advanced display applications.

Main Methods:

• Utilizing meta-atoms to independently encode fluorescence and pumping light.
• Expanding encoding freedom by varying incident wavevector directions.
• Demonstrating a light-emitting metasurface with quad-fold multiplex encoding.

Main Results:

• Achieved independent encoding of pumping and fluorescence light.
• Demonstrated dual scattering and dual fluorescence images.
• Expanded encoding freedom for multi-functional optical manipulation.

Conclusions:

• The proposed design strategy enables simultaneous manipulation of pumping and fluorescence light.
• Broadened encoding freedom enhances multi-functionality for optical displays.
• This technology has potential applications in multiplexing optical displays, information storage, and wearable displays.