基于硅波导芯片上双萨格纳克环耦合 MZI 的全光三阶可调常微分方程解决方案

IF 1.1 4区 物理与天体物理 Q4 NANOSCIENCE & NANOTECHNOLOGY
Ming Xu, Longqi He, Bo Yang, Yiting Wei, Jianhua Ji, Maoguo Cai
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引用次数: 0

摘要

目前,全光学高阶可调常微分方程(ODE)求解器很难实现。本文提出了一种新型的全光学一阶至三阶线性 ODEs 解法,其常数系数可调,使用硅波导芯片上的双萨格纳克环耦合马赫-泽恩德干涉仪(DSMZI)。设计了 DSMZI 的结构组成和尺寸,并推导了其一阶至三阶 ODEs 解法的工作原理。通过改变 MZI 各臂热光学移相器的输入电热功率,可以简单地对微分方程的常数系数进行大范围调整。实验证明,一阶 ODE 的常数系数 k 范围为 0.0015/ps 至 0.092/ps。二阶 ODE 求解器的常数系数 p 可以在 0.013/ps 至 0.174/ps 的范围内连续调整,相应地 q 也可以在 0.00004225/ps2 至 0.007569/ps2 的范围内调整。三阶 ODE 的三个常数 u、v 和 w 分别可在 0.105/ps 至 0.252/ps、0.003675/ps2 至 0.021168/ps2 和 0.00004288/ps3 至 0.0005927/ps3 之间连续调整。采用DSMZI的全光学ODE求解器可以很容易地与其他基于绝缘体硅的光学元件集成,这为未来在硅波导芯片上实现人工智能或大数据处理系统的光学计算提供了一条途径。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
All optical third order tunable ordinary differential equation solutions based on double Sagnac rings coupled MZI on silicon waveguide chips
At present, an all optical high-order tunable ordinary differential equation (ODE) solver is very difficult to implement. A novel all-optical first to third order linear ODEs solutions with tunable constant coefficients using double Sagnac rings coupled Mach–Zehnder-interferometer (DSMZI) on silicon waveguide chips are proposed. The structural composition and size of the DSMZI have been designed, and the working principles of its first to third order ODEs solutions have been derived. By varying the input electric heating power of the thermal-optical phase shifters of the individual arms of the MZI, the constant-coefficient of the differential equation can be simply tuned in large scope. It is demonstrated that the constant coefficient k ranges from 0.0015/ps to 0.092/ps for the first-order ODE. The constant coefficient p of the second-order ODE solver can be continuously tuned from 0.013/ps to 0.174/ps, correspondingly with the q varying from 0.00004225/ps2 to 0.007569/ps2. Three constant coefficients u, v, and w of the third-order ODE can be continuously tuned from 0.105/ps to 0.252/ps, 0.003675/ps2 to 0.021168/ps2, and 0.00004288/ps3 to 0.0005927/ps3, respectively. The all-optical ODE solvers with the DSMZI can be easily integrated with other optical components based on silicon on insulator, which can provide a path for future artificial intelligence or big data processing systems in optical computing on silicon waveguide chips.
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来源期刊
Journal of Nanophotonics
Journal of Nanophotonics 工程技术-光学
CiteScore
2.60
自引率
6.70%
发文量
42
审稿时长
3 months
期刊介绍: The Journal of Nanophotonics publishes peer-reviewed papers focusing on the fabrication and application of nanostructures that facilitate the generation, propagation, manipulation, and detection of light from the infrared to the ultraviolet regimes.
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