Ultrafast and High Extinction Ratio 1×4 Electro-Optical Switch Based on Cascaded Dual-Output MZI
We propose and fabricate an ultrafast and high extinction ratio 1 × 4 optical switch based on a cascade, dual-output Mach–Zehnder interferometer (MZI) on the lithium niobate platform. The optical switch consists of cascaded, identical, dual-output MZI structures, and each of th...
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| Format: | Article |
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IEEE
2023-01-01
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| Series: | IEEE Photonics Journal |
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| Online Access: | https://ieeexplore.ieee.org/document/10101763/ |
| _version_ | 1797838797859192832 |
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| author | Zhiyong Wang Meihua Xiang Feng Yang Kunlun Liu Jianfeng Bao Dengcai Yang Yunxin Wang |
| author_facet | Zhiyong Wang Meihua Xiang Feng Yang Kunlun Liu Jianfeng Bao Dengcai Yang Yunxin Wang |
| author_sort | Zhiyong Wang |
| collection | DOAJ |
| description | We propose and fabricate an ultrafast and high extinction ratio 1 × 4 optical switch based on a cascade, dual-output Mach–Zehnder interferometer (MZI) on the lithium niobate platform. The optical switch consists of cascaded, identical, dual-output MZI structures, and each of them includes a Y-branch waveguide, two parallel interference arms (electrode action area), and a 3 dB directional coupler. Four output optical paths can be switched through three groups of electrode hierarchical modulation. The test results of the fabricated device show that the insertion loss of each port is less than 7.1 dB and that the maximum extinction ratio is higher than 39.3 dB. The optical switch can achieve a high extinction ratio greater than 20 dB within the 50 nm wavelength range. The measured half-wave voltage is less than 4.13 V, and the minimum switching rise and fall times reach 125 ps and 250 ps, respectively. This result shows that the proposed and fabricated 1 × 4 integrated optical switch on a lithium niobate platform has the advantages of a fast response rate, high extinction ratio, and low switching voltage. |
| first_indexed | 2024-04-09T15:46:38Z |
| format | Article |
| id | doaj.art-b20b7abad19d4d5985faadf3c2e3ea2a |
| institution | Directory Open Access Journal |
| issn | 1943-0655 |
| language | English |
| last_indexed | 2024-04-09T15:46:38Z |
| publishDate | 2023-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Photonics Journal |
| spelling | doaj.art-b20b7abad19d4d5985faadf3c2e3ea2a2023-04-26T23:00:07ZengIEEEIEEE Photonics Journal1943-06552023-01-011531810.1109/JPHOT.2023.326695310101763Ultrafast and High Extinction Ratio 1×4 Electro-Optical Switch Based on Cascaded Dual-Output MZIZhiyong Wang0Meihua Xiang1https://orcid.org/0000-0002-9357-9650Feng Yang2https://orcid.org/0000-0002-3471-9633Kunlun Liu3Jianfeng Bao4Dengcai Yang5Yunxin Wang6https://orcid.org/0000-0003-1550-5012Institute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, ChinaInstitute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, ChinaCollege of Physics and Optoelectronics, Faculty of Science, Beijing University of Technology, Beijing, ChinaInstitute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, ChinaInstitute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, ChinaInstitute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, ChinaCollege of Physics and Optoelectronics, Faculty of Science, Beijing University of Technology, Beijing, ChinaWe propose and fabricate an ultrafast and high extinction ratio 1 × 4 optical switch based on a cascade, dual-output Mach–Zehnder interferometer (MZI) on the lithium niobate platform. The optical switch consists of cascaded, identical, dual-output MZI structures, and each of them includes a Y-branch waveguide, two parallel interference arms (electrode action area), and a 3 dB directional coupler. Four output optical paths can be switched through three groups of electrode hierarchical modulation. The test results of the fabricated device show that the insertion loss of each port is less than 7.1 dB and that the maximum extinction ratio is higher than 39.3 dB. The optical switch can achieve a high extinction ratio greater than 20 dB within the 50 nm wavelength range. The measured half-wave voltage is less than 4.13 V, and the minimum switching rise and fall times reach 125 ps and 250 ps, respectively. This result shows that the proposed and fabricated 1 × 4 integrated optical switch on a lithium niobate platform has the advantages of a fast response rate, high extinction ratio, and low switching voltage.https://ieeexplore.ieee.org/document/10101763/1 × 4 electro-optical switchdual-output MZIoptical waveguideultrafast and high extinction ratio |
| spellingShingle | Zhiyong Wang Meihua Xiang Feng Yang Kunlun Liu Jianfeng Bao Dengcai Yang Yunxin Wang Ultrafast and High Extinction Ratio 1×4 Electro-Optical Switch Based on Cascaded Dual-Output MZI IEEE Photonics Journal 1 × 4 electro-optical switch dual-output MZI optical waveguide ultrafast and high extinction ratio |
| title | Ultrafast and High Extinction Ratio 1×4 Electro-Optical Switch Based on Cascaded Dual-Output MZI |
| title_full | Ultrafast and High Extinction Ratio 1×4 Electro-Optical Switch Based on Cascaded Dual-Output MZI |
| title_fullStr | Ultrafast and High Extinction Ratio 1×4 Electro-Optical Switch Based on Cascaded Dual-Output MZI |
| title_full_unstemmed | Ultrafast and High Extinction Ratio 1×4 Electro-Optical Switch Based on Cascaded Dual-Output MZI |
| title_short | Ultrafast and High Extinction Ratio 1×4 Electro-Optical Switch Based on Cascaded Dual-Output MZI |
| title_sort | ultrafast and high extinction ratio 1 x00d7 4 electro optical switch based on cascaded dual output mzi |
| topic | 1 × 4 electro-optical switch dual-output MZI optical waveguide ultrafast and high extinction ratio |
| url | https://ieeexplore.ieee.org/document/10101763/ |
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