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Moving toward optoelectronic logic circuits for visible light: a chalcogenide glass single-mode single-polarization optical waveguide switch
Chen, Zhi; Wang, Guande; Wang, Xiong; Zhao, Quanzhong; wangxiong@shanghaitech.edu.cn; zqz@siom.ac.cn
2017
发表期刊Appl. Optics
卷号56期号:5页码:1405
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
文章类型Article
部门归属强光
DOI10.1364/AO.56.001405
资助者National Natural Science Foundation of China (NSFC) [11374316] ; National Natural Science Foundation of China (NSFC) [11374316] ; National Natural Science Foundation of China (NSFC) [11374316] ; National Natural Science Foundation of China (NSFC) [11374316]
收录类别SCI
资助者National Natural Science Foundation of China (NSFC) [11374316] ; National Natural Science Foundation of China (NSFC) [11374316] ; National Natural Science Foundation of China (NSFC) [11374316] ; National Natural Science Foundation of China (NSFC) [11374316]
WOS记录号WOS:000394336900018
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/28671
专题强场激光物理国家重点实验室
通讯作者wangxiong@shanghaitech.edu.cn; zqz@siom.ac.cn
作者单位中国科学院上海光学精密机械研究所
推荐引用方式
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]. Appl. Optics,2017,56(5):1405.
APA Chen, Zhi,Wang, Guande,Wang, Xiong,Zhao, Quanzhong,wangxiong@shanghaitech.edu.cn,&zqz@siom.ac.cn.(2017).Moving toward optoelectronic logic circuits for visible light: a chalcogenide glass single-mode single-polarization optical waveguide switch.Appl. Optics,56(5),1405.
MLA Chen, Zhi,et al."Moving toward optoelectronic logic circuits for visible light: a chalcogenide glass single-mode single-polarization optical waveguide switch".Appl. Optics 56.5(2017):1405.
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