Dual-Mode GVD Tailoring in a Convex Waveguide
Mode division multiplexing (MDM) silicon photonic integrated circuits (PICs) have been widely developed for achieving high-speed optical interconnects and communications. As an excellent nonlinear optical platform, silicon PICs also receive great attention in applications of optical parametric devic...
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| Format: | Article |
| Language: | English |
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IEEE
2020-01-01
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| Series: | IEEE Photonics Journal |
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| Online Access: | https://ieeexplore.ieee.org/document/9128051/ |
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| author | Weicheng Chen Gongcheng Yue Haofeng Hu Zhenzhou Cheng Guo-Wei Lu Tiegen Liu |
| author_facet | Weicheng Chen Gongcheng Yue Haofeng Hu Zhenzhou Cheng Guo-Wei Lu Tiegen Liu |
| author_sort | Weicheng Chen |
| collection | DOAJ |
| description | Mode division multiplexing (MDM) silicon photonic integrated circuits (PICs) have been widely developed for achieving high-speed optical interconnects and communications. As an excellent nonlinear optical platform, silicon PICs also receive great attention in applications of optical parametric devices and nonlinear optical signal processing. However, it is still challenging to develop MDM optical parametric devices due to the strong mode dependence of the group velocity dispersion (GVD) in a silicon waveguide. Here, we theoretically design a convex waveguide exhibiting almost the same GVD profiles for quasi-TE<sub>0</sub> and quasi-TE<sub>1</sub> modes based on the standard fabrication flow of silicon photonic foundries. Specifically, flat GVD curves varying from −1500 ps/nm/km to −1000 ps/nm/km are obtained for the two modes in a convex waveguide within a spectral region of 1.37 μm to 1.75 μm covering from E-band to U-band. The study is expected to open an avenue for exploring unprecedented MDM nonlinear applications. |
| format | Article |
| id | doaj-art-94a935c910c54d3ba4e156fceee5a0aa |
| institution | Matheson Library |
| issn | 1943-0655 |
| language | English |
| publishDate | 2020-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Photonics Journal |
| spelling | doaj-art-94a935c910c54d3ba4e156fceee5a0aa2025-07-01T23:50:03ZengIEEEIEEE Photonics Journal1943-06552020-01-011241610.1109/JPHOT.2020.30056909128051Dual-Mode GVD Tailoring in a Convex WaveguideWeicheng Chen0https://orcid.org/0000-0003-0199-9795Gongcheng Yue1https://orcid.org/0000-0002-8104-8609Haofeng Hu2https://orcid.org/0000-0002-7441-1457Zhenzhou Cheng3https://orcid.org/0000-0003-4842-9458Guo-Wei Lu4https://orcid.org/0000-0003-4141-6961Tiegen Liu5School of Precision Instruments and Optoelectronics Engineering, Tianjin University, Tianjin, ChinaSchool of Precision Instruments and Optoelectronics Engineering, Tianjin University, Tianjin, ChinaSchool of Precision Instruments and Optoelectronics Engineering, Tianjin University, Tianjin, ChinaSchool of Precision Instruments and Optoelectronics Engineering, Tianjin University, Tianjin, ChinaNational Institute of Information and Communications Technology, Tokyo, JapanSchool of Precision Instruments and Optoelectronics Engineering, Tianjin University, Tianjin, ChinaMode division multiplexing (MDM) silicon photonic integrated circuits (PICs) have been widely developed for achieving high-speed optical interconnects and communications. As an excellent nonlinear optical platform, silicon PICs also receive great attention in applications of optical parametric devices and nonlinear optical signal processing. However, it is still challenging to develop MDM optical parametric devices due to the strong mode dependence of the group velocity dispersion (GVD) in a silicon waveguide. Here, we theoretically design a convex waveguide exhibiting almost the same GVD profiles for quasi-TE<sub>0</sub> and quasi-TE<sub>1</sub> modes based on the standard fabrication flow of silicon photonic foundries. Specifically, flat GVD curves varying from −1500 ps/nm/km to −1000 ps/nm/km are obtained for the two modes in a convex waveguide within a spectral region of 1.37 μm to 1.75 μm covering from E-band to U-band. The study is expected to open an avenue for exploring unprecedented MDM nonlinear applications.https://ieeexplore.ieee.org/document/9128051/Silicon waveguidenonlinear opticsguided waves |
| spellingShingle | Weicheng Chen Gongcheng Yue Haofeng Hu Zhenzhou Cheng Guo-Wei Lu Tiegen Liu Dual-Mode GVD Tailoring in a Convex Waveguide IEEE Photonics Journal Silicon waveguide nonlinear optics guided waves |
| title | Dual-Mode GVD Tailoring in a Convex Waveguide |
| title_full | Dual-Mode GVD Tailoring in a Convex Waveguide |
| title_fullStr | Dual-Mode GVD Tailoring in a Convex Waveguide |
| title_full_unstemmed | Dual-Mode GVD Tailoring in a Convex Waveguide |
| title_short | Dual-Mode GVD Tailoring in a Convex Waveguide |
| title_sort | dual mode gvd tailoring in a convex waveguide |
| topic | Silicon waveguide nonlinear optics guided waves |
| url | https://ieeexplore.ieee.org/document/9128051/ |
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