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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
Source PublicationAppl. Optics
Volume56Issue:5Pages:1405
AbstractIn 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
SubtypeArticle
Department强光
DOI10.1364/AO.56.001405
Funding OrganizationNational 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]
Indexed BySCI
Funding OrganizationNational 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 IDWOS:000394336900018
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.siom.ac.cn/handle/181231/27683
Collection强场激光物理国家重点实验室
Corresponding Authorwangxiong@shanghaitech.edu.cn; zqz@siom.ac.cn
Affiliation中国科学院上海光学精密机械研究所
Recommended Citation
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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