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A novel multiple-image encryption with multi-petals structured light.

Heming Tian¹, Xusheng Zhuang¹, Aimin Yan²

¹College of Mathematics and Science, Shanghai Normal University, Shanghai, 200234, China.

Scientific Reports

|August 22, 2024

Summary

This summary is machine-generated.

This study introduces a new multiple-image encryption method using structured light and vortex beams. The technique enhances security by increasing the key space, offering practical applications for 3D information encryption.

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Area of Science:

Optics and Photonics
Information Security
Applied Physics

Background:

Traditional encryption methods face challenges in handling complex data like multiple images.
Structured light offers unique properties for advanced optical information processing.
Vortex beams with orbital angular momentum provide a new dimension for secure encoding.

Purpose of the Study:

To propose a novel multiple-image encryption scheme using spatial multiplexing.
To enhance security by leveraging multi-petals structured light and vortex beams.
To explore practical applications in three-dimensional information encryption.

Main Methods:

Utilizing multi-petals structured light with coherent superposition of vortex beams.
Forming an image array behind sub-petals of the structured light.
Encrypting images into ciphertext using Fresnel diffraction and Fibonacci Lucas transform.

Main Results:

Demonstrated a secure multiple-image encryption scheme with enhanced security.
Validated the proposed method through numerical simulations and experimental results.
Achieved a rich key space by integrating orbital angular momentum as additional keys.

Conclusions:

The proposed method offers a robust and secure approach for multiple-image encryption.
The integration of structured light and vortex beams significantly improves the security level.
The research presents strong potential for practical applications in 3D information security systems.