Space Optical Encoding Communication Based on Optical Bright-Ring Lattice

Chao He; Hui Ye; Tian Chen; Pengyu Cheng

doi:10.3788/AOS202040.1106002

Acta Optica Sinica, Volume. 40, Issue 11, 1106002(2020)

Space Optical Encoding Communication Based on Optical Bright-Ring Lattice

Chao He^1、*, Hui Ye², Tian Chen¹, and Pengyu Cheng³

Author Affiliations

¹The Thirty Eighth Institute, China Electronics Technology Group Corporation, Hefei, Anhui 230093, China

²The First Affiliated Hospital, University of Science and Technology of China, Hefei, Anhui 230036, China

³School of Communication and Information Engineering, Shanghai University, Shanghai 200444, China

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Figures & Tables(12)

Fig. 1. Intensity and phase distributions of optical bright-ring lattice $E_{0}^{3, - 3}$

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Fig. 2. CGH of optical bright-ring lattice $E_{0}^{3, - 3}$ . (a) Original CGH; (b) 15 times magnification of central area

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Fig. 3. Numerical reconstruction of optical bright-ring lattice $E_{0}^{3, - 3}$ . (a) Intensity; (b) phase

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Fig. 4. Relationship between optical bright-ring lattice modes and quaternary numbers

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Fig. 5. Decoding of optical bright-ring lattice modes at different included angles. (a) π; (b) π/4; (c) π/2; (d) π/3

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Fig. 6. Decoding of optical bright-ring lattice modes under partial interference. (a) π/2; (b) π/3; (c) π/4; (d) π

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Fig. 7. Schematic of experimental principle

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Fig. 8. Decoding of experimentally generated optical bright-ring lattice modes. (a) π; (b) π/4; (c) π/2; (d) π/3; (e) π/2; (f) π/3; (g) π/4; (h) π

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Fig. 9. Transmission process of little dog image

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Fig. 10. 2×2 optical bright-ring lattice array modes. (a)(b) Numerical calculation; (c)(d) experimental measurement

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Fig. 11. 4×4 optical bright-ring lattice array modes. (a) Numerical calculation; (b) experimental measurement

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Table 1. Relationship among optical bright-ring lattice modes, included angles of adjacent bright petals, quaternary numbers, and pixel values

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Table 1. Relationship among optical bright-ring lattice modes, included angles of adjacent bright petals, quaternary numbers, and pixel values

Title	Range
Optical bright-ring lattice mode combination	( $E_{0}^{1, - 1}$ , $E_{0}^{1, - 1}$ , $E_{0}^{1, - 1}$ , $E_{0}^{1, - 1}$ )--( $E_{0}^{4, - 4}$ , $E_{0}^{4, - 4}$ , $E_{0}^{4, - 4}$ , $E_{0}^{4, - 4}$ )
Included angle combinationof adjacent bright petals	(π,π,π,π)-- $(\frac{π}{4}, \frac{π}{4}, \frac{π}{4}, \frac{π}{4})$
Quaternary number combination	(0000)--(3333)
Pixel value	0--255

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Chao He, Hui Ye, Tian Chen, Pengyu Cheng. Space Optical Encoding Communication Based on Optical Bright-Ring Lattice[J]. Acta Optica Sinica, 2020, 40(11): 1106002

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Paper Information

Category: Fiber Optics and Optical Communications

Received: Feb. 1, 2020

Accepted: Mar. 16, 2020

Published Online: Jun. 10, 2020

The Author Email: Chao He (che891101@163.com)

DOI:10.3788/AOS202040.1106002

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology