Integrated Optical Chip Based on Y-branch and Bragg Grating Structure

Xiaojie YIN; Zhiyuan ZHENG; Xingzhuang ZI; Mingju CHAO

doi:10.3788/gzxb20215005.0513002

Journals >Acta Photonica Sinica >Volume 50 >Issue 5 >Page 53 > Article

Acta Photonica Sinica
Vol. 50, Issue 5, 53 (2021)

Integrated Optical Chip Based on Y-branch and Bragg Grating Structure

Xiaojie YIN^1、2, Zhiyuan ZHENG³, Xingzhuang ZI³, and Mingju CHAO^1、*

Author Affiliations

¹School of Physics and Engineering， Zhengzhou University， Zhengzhou45000， China

²State Key Laboratory of Integrated Optoelectronics， Institute of Semiconductors， Chinese Academy of Sciences， Beijing100083， China

³Henan Key Laboratory of Optoelectronic Circuit and Integration， Henan Shi Jia Photons Technology Co.， Ltd， Hebi， Henan45800， China

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DOI: 10.3788/gzxb20215005.0513002 Cite this Article

Xiaojie YIN, Zhiyuan ZHENG, Xingzhuang ZI, Mingju CHAO. Integrated Optical Chip Based on Y-branch and Bragg Grating Structure[J]. Acta Photonica Sinica, 2021, 50(5): 53 Copy Citation Text

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Fig. 1. Schematic diagram of integrated optical chip structure

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Fig. 2. Results of simulation

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Fig. 3. Photography of coupled and packaged device

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Fig. 4. The results of the experiment

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Channel	Peak wavelength/nm	Period/μm	FWHM/nm	Channel reflectance
CH1	1 600	4.974	0.56	99.89%
CH2	1 606	4.993	0.56	99.88%
CH3	1 612	5.012	0.56	99.87%
CH4	1 618	5.03	0.56	99.87%
CH5	1 624	5.049	0.56	99.86%
CH6	1 630	5.068	0.56	99.86%
CH7	1 636	5.087	0.56	99.84%
CH8	1 642	5.105	0.56	99.83%

Table 1. The simulation data of Bragg waveguide grating

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Channel	Peak wavelength/nm	FWHM/nm	Channel reflectance
CH1	1 597	0.67	88.24%
CH2	1 603	0.67	91.70%
CH3	1 609	0.33	96.92%
CH4	1 615	0.36	93.68%
CH5	1 621	0.39	95.25%
CH6	1 627	0.49	97.26%
CH7	1 633	0.46	98.00%
CH8	1 639	0.46	97.58%

Table 2. The data of the experiment

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Channel	CH1	CH2	CH3	CH4	CH5	CH6	CH7	CH8
Loss/dB	11.83	11.85	11.84	12.02	11.97	11.90	11.92	11.90

Table 3. The channel insertion loss data of 1 550 nm

Xiaojie YIN, Zhiyuan ZHENG, Xingzhuang ZI, Mingju CHAO. Integrated Optical Chip Based on Y-branch and Bragg Grating Structure[J]. Acta Photonica Sinica, 2021, 50(5): 53

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