Moving toward optoelectronic logic circuits for visible light: a chalcogenide glass single-mode single-polarization optical waveguide switch
2017-02-10
发表期刊APPLIED OPTICS (IF:1.7[JCR-2023],1.7[5-Year])
ISSN1559-128X
卷号56期号:5页码:1405-1412
发表状态已发表
DOI10.1364/AO.56.001405
摘要In this paper, we propose an arsenic trisulfide (As-S) optical waveguide switch-based logic gate mainly comprised of a photorefractive Sn1As20S79 waveguide core and a LiNbO3 crystal substrate. In combination with the unique optical stopping effect of Sn1As20S79, this device can realize logical operations on an electrical signal and an optical signal, holding promises to be applied in optoelectronic logic circuits. While most of the previous research on As-S has focused on applications in the infrared regime, this device operates at the visible wavelengths of 632.8 and 441.6 nm, which are the specific wavelengths for optical stopping. As the kernel part of this logic gate, an optical waveguide switch based on an electro-optic coupler is employed to control optical signals by electrical signals, providing a solid foundation of operation for an electro-optic logic function. Some crucial design specifications of the switch are optimized by means of simulation analysis. It is found that less than 10 V of applied voltage is sufficient to realize a satisfactory function of the switch. A coupling efficiency of 90% and an extinction ratio of greater than 10 dB are achieved by simulating the lightwave propagation in the waveguide switch. Since the waveguide structure of the switch has no upper cladding, it is different from that of a ridge waveguide or a buried waveguide, and is, thus, convenient to fabricate by only using UV exposure without etching. Our work will open new possibilities for photoelectric hybrid logical operation in visible light, and, thus, provide fertile ground for applications in programmable optical chips. (C) 2017 Optical Society of America
收录类别SCI ; EI
语种英语
资助项目National Natural Science Foundation of China (NSFC)[11374316]
WOS研究方向Optics
WOS类目Optics
WOS记录号WOS:000394336900018
出版者OPTICAL SOC AMER
EI入藏号20170903390480
EI主题词Light ; Logic circuits ; Logic gates ; Optical signal processing ; Optical waveguides ; Ridge waveguides ; Timing circuits ; Tin ; Waveguides
EI分类号Tin and Alloys:546.2 ; Pulse Circuits:713.4 ; Waveguides:714.3 ; Logic Elements:721.2 ; Computer Circuits:721.3 ; Light/Optics:741.1
WOS关键词FABRICATION ; DESIGN
原始文献类型Article
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文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/1506
专题信息科学与技术学院_PI研究组_王雄组
通讯作者Wang, Xiong
作者单位
1.ShanghaiTech Univ, Sch Informat Sci & Technol, Shanghai 200031, Peoples R China
2.Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China
第一作者单位信息科学与技术学院
通讯作者单位信息科学与技术学院
第一作者的第一单位信息科学与技术学院
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GB/T 7714
Chen, Zhi,Wang, Guande,Wang, Xiong,et al. Moving toward optoelectronic logic circuits for visible light: a chalcogenide glass single-mode single-polarization optical waveguide switch[J]. APPLIED OPTICS,2017,56(5):1405-1412.
APA Chen, Zhi,Wang, Guande,Wang, Xiong,&Zhao, Quanzhong.(2017).Moving toward optoelectronic logic circuits for visible light: a chalcogenide glass single-mode single-polarization optical waveguide switch.APPLIED OPTICS,56(5),1405-1412.
MLA Chen, Zhi,et al."Moving toward optoelectronic logic circuits for visible light: a chalcogenide glass single-mode single-polarization optical waveguide switch".APPLIED OPTICS 56.5(2017):1405-1412.
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