Coupling Between Waveguides in Three-Dimensional Integrated Optical Chip

Rui Zhuang; Jingjing Hong; Aiping Liu; Xingping Zhou; Qin Wang

doi:10.3788/LOP202158.1923001

Journals >Laser & Optoelectronics Progress >Volume 58 >Issue 19 >Page 1923001 > Article

Laser & Optoelectronics Progress
Vol. 58, Issue 19, 1923001 (2021)

Coupling Between Waveguides in Three-Dimensional Integrated Optical Chip

Rui Zhuang^1、2, Jingjing Hong^1、2, Aiping Liu^1、2、*, Xingping Zhou^1、2, and Qin Wang^1、2

Author Affiliations

¹Institute of Quantum Information and Technology, Nanjing University of Posts and Telecommunications, Nanjing , Jiangsu 210003, China

²Key Lab of Broadband Wireless Communication and Sensor Network Technology, Ministry of Education, Nanjing University of Posts and Telecommunications, Nanjing , Jiangsu 210003, China

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DOI: 10.3788/LOP202158.1923001 Cite this Article Set citation alerts

Rui Zhuang, Jingjing Hong, Aiping Liu, Xingping Zhou, Qin Wang. Coupling Between Waveguides in Three-Dimensional Integrated Optical Chip[J]. Laser & Optoelectronics Progress, 2021, 58(19): 1923001 Copy Citation Text

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Fig. 1. Structure diagram of integrated waveguide array. (a) Parallel waveguide; (b) spatial cross waveguide

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Parallel waveguide structure and electric field distributions in different modes. (a) Cross-section diagram of parallel waveguide structure; (b) TE mode, even symmetry; (c) TE mode, odd symmetry; (d) TM mode, even symmetry; (e) TM mode, odd symmetry

Fig. 2. Parallel waveguide structure and electric field distributions in different modes. (a) Cross-section diagram of parallel waveguide structure; (b) TE mode, even symmetry; (c) TE mode, odd symmetry; (d) TM mode, even symmetry; (e) TM mode, odd symmetry

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$Relationship between coupling coefficient and different parameters. (a) g⊥; (b) refractive index of intermediate layer medium$

Fig. 3. Relationship between coupling coefficient and different parameters. (a)

g_{⊥}

; (b) refractive index of intermediate layer medium

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$Relationship between coupling efficiency and different parameters. (a) g⊥; (b) refractive index of intermediate layer medium; (c) wavelength; (d) angle$

Fig. 4. Relationship between coupling efficiency and different parameters. (a)

g_{⊥}

; (b) refractive index of intermediate layer medium; (c) wavelength; (d) angle

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Fig. 5. Relationship between coupling efficiency and ∆w

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Fig. 6. Relationship between coupling efficiency and angle in TE mode

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Fig. 7. Exchange structure between optical layers

Rui Zhuang, Jingjing Hong, Aiping Liu, Xingping Zhou, Qin Wang. Coupling Between Waveguides in Three-Dimensional Integrated Optical Chip[J]. Laser & Optoelectronics Progress, 2021, 58(19): 1923001

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