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Color image information transmission based on elliptic optical vortex array encoding/decoding
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DOI：10.1364/OE.497808.png)
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摘要
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A multichannel high-dimensional data encoding/decoding scheme based on composite elliptic optical vortex (EOV) arrays is proposed. By exploiting the rotation angle of the EOV, a 4 x 4 composite EOV array is used for high-dimensional data encoding. The conjugate symmetric extension Fourier computer-generated holography algorithm with controllable reconstruction focus is used to assign different reconstruction focus to the data of the three channels (R, G, and B) of the color image. Then, the data of the three channels is transmitted simultaneously by a single hologram to further improve the transmission efficiency. At the receiver, the initial information sequence is decoded by directly identifying the captured intensity patterns with a deep learning-based convolutional neural network. In the experiment, a 128 x 128-pixel color image is successfully transmitted, which confirms the feasibility of our proposed encoding/decoding scheme. This method has great potential for future high-capacity optical communications.
Keyword:
ORBITAL ANGULAR-MOMENTUM
HOLOGRAPHY
LIGHT
BEAMS
期刊
IF:
3.3
论文数:
6.1W
被引数:
14.3W
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