2021
DOI: 10.1016/j.optcom.2020.126562
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Effects of fabrication deviations and fiber misalignments on a fork-shape edge coupler based on subwavelength gratings

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Cited by 6 publications
(9 citation statements)
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“…As L 4 varies from 31.5 µm to 34 µm, the obtained IL is relatively stable and the lowest value is nearly 0.25 dB at the conversion length around L 4 = 33 µm. Therefore, the obtained ultralow-loss feature of the proposed edge coupler as well as quite short conversion length offers a good solution for the light coupling between optical fiber and on-chip silicon waveguide compared with previous reports [19][20][21][22][23][26][27][28].…”
Section: Resultsmentioning
confidence: 86%
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“…As L 4 varies from 31.5 µm to 34 µm, the obtained IL is relatively stable and the lowest value is nearly 0.25 dB at the conversion length around L 4 = 33 µm. Therefore, the obtained ultralow-loss feature of the proposed edge coupler as well as quite short conversion length offers a good solution for the light coupling between optical fiber and on-chip silicon waveguide compared with previous reports [19][20][21][22][23][26][27][28].…”
Section: Resultsmentioning
confidence: 86%
“…Before we conduct the structural parameter analyses, the device performance index should be determined first. For the fiber-to-chip edge coupler, loss is a key indicator which includes coupling loss and transmission loss [26][27][28]. Here, we employ IL coming from input fiber mode to output silicon waveguide mode to characterize the device performance.…”
Section: Resultsmentioning
confidence: 99%
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