A Reconfigurable Optical Logic Gate With up to 25 Logic Functions Based on Polarization Modulation With Direct Detection
We propose and investigate a new scheme to realize optical logic gates using polarization addition with direct detection. Two polarizations of an optical signal are modulated, respectively, by independent binary inputs to represent four different states, while direct detection is used to map the fou...
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| Format: | Article |
| Language: | English |
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IEEE
2017-01-01
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| Series: | IEEE Photonics Journal |
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| Online Access: | https://ieeexplore.ieee.org/document/7883832/ |
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| author | Xianfeng Tang Zhongqin Fang Yaxue Zhai Xiangsen Jiao Na Gao Xiaoguang Zhang Lixia Xi Jianping Li Wenbo Zhang |
| author_facet | Xianfeng Tang Zhongqin Fang Yaxue Zhai Xiangsen Jiao Na Gao Xiaoguang Zhang Lixia Xi Jianping Li Wenbo Zhang |
| author_sort | Xianfeng Tang |
| collection | DOAJ |
| description | We propose and investigate a new scheme to realize optical logic gates using polarization addition with direct detection. Two polarizations of an optical signal are modulated, respectively, by independent binary inputs to represent four different states, while direct detection is used to map the four states to the corresponding binary output. Up to 25 logic gates, including all the basic logic gates, can be implemented by adjusting bias voltages of the two modulators, peak–peak voltages of the driving signals, and the rotation angle between the two polarizations. A modified Poincare sphere and a simplified 2-D description are developed to illustrate the principle of the proposed scheme. Experiments are successfully carried out to realize all of the six basic logic gates at 1 Gb/s. Influences on the performance of logic gates are also studied by considering some key factors, such as the extinction ratio of Mach–Zehnder modulator (MZM), input power, and rotation-angle deviation. |
| format | Article |
| id | doaj-art-cd600c8f25c94cfe9706bd3530e9d73c |
| institution | Kabale University |
| issn | 1943-0655 |
| language | English |
| publishDate | 2017-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Photonics Journal |
| spelling | doaj-art-cd600c8f25c94cfe9706bd3530e9d73c2025-08-20T03:32:46ZengIEEEIEEE Photonics Journal1943-06552017-01-019211110.1109/JPHOT.2017.26848237883832A Reconfigurable Optical Logic Gate With up to 25 Logic Functions Based on Polarization Modulation With Direct DetectionXianfeng Tang0Zhongqin Fang1Yaxue Zhai2Xiangsen Jiao3Na Gao4Xiaoguang Zhang5Lixia Xi6Jianping Li7Wenbo Zhang8State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, ChinaState Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, ChinaState Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, ChinaState Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, ChinaState Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, ChinaState Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, ChinaState Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, ChinaInstitute of Photonics Technology, Jinan University, Guangzhou, ChinaState Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, ChinaWe propose and investigate a new scheme to realize optical logic gates using polarization addition with direct detection. Two polarizations of an optical signal are modulated, respectively, by independent binary inputs to represent four different states, while direct detection is used to map the four states to the corresponding binary output. Up to 25 logic gates, including all the basic logic gates, can be implemented by adjusting bias voltages of the two modulators, peak–peak voltages of the driving signals, and the rotation angle between the two polarizations. A modified Poincare sphere and a simplified 2-D description are developed to illustrate the principle of the proposed scheme. Experiments are successfully carried out to realize all of the six basic logic gates at 1 Gb/s. Influences on the performance of logic gates are also studied by considering some key factors, such as the extinction ratio of Mach–Zehnder modulator (MZM), input power, and rotation-angle deviation.https://ieeexplore.ieee.org/document/7883832/Optical logic gatespolarizationdirect detection |
| spellingShingle | Xianfeng Tang Zhongqin Fang Yaxue Zhai Xiangsen Jiao Na Gao Xiaoguang Zhang Lixia Xi Jianping Li Wenbo Zhang A Reconfigurable Optical Logic Gate With up to 25 Logic Functions Based on Polarization Modulation With Direct Detection IEEE Photonics Journal Optical logic gates polarization direct detection |
| title | A Reconfigurable Optical Logic Gate With up to 25 Logic Functions Based on Polarization Modulation With Direct Detection |
| title_full | A Reconfigurable Optical Logic Gate With up to 25 Logic Functions Based on Polarization Modulation With Direct Detection |
| title_fullStr | A Reconfigurable Optical Logic Gate With up to 25 Logic Functions Based on Polarization Modulation With Direct Detection |
| title_full_unstemmed | A Reconfigurable Optical Logic Gate With up to 25 Logic Functions Based on Polarization Modulation With Direct Detection |
| title_short | A Reconfigurable Optical Logic Gate With up to 25 Logic Functions Based on Polarization Modulation With Direct Detection |
| title_sort | reconfigurable optical logic gate with up to 25 logic functions based on polarization modulation with direct detection |
| topic | Optical logic gates polarization direct detection |
| url | https://ieeexplore.ieee.org/document/7883832/ |
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