| VCSEL激光器仿真模型在家庭固定网络的应用 |
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| 引用本文：曹 鹏，高 成 ，刘 启，付宇婷.VCSEL激光器仿真模型在家庭固定网络的应用[J].经济数学,2018,(2):98-104 |
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| 中文摘要:探讨了VCSEL激光器工作环境的温度问题和激光器的带宽问题，提出VCSEL激光器的光功率与电流（L-I）模型和器件工作时的电压与电流（U-I）特性曲线模型，利用最小二乘法和高斯牛顿法，对模型初步求解并改进，最终得到最优的激光器工作环境的温度.提出一种基于速率方程的VCSEL的带宽模型（小信号响应模型），并考虑激光器的温度和偏置电流对带宽的影响，利用非线性最优化的方法确定带宽模型，最终得到相应的结论. |
| 中文关键词:VCSEL仿真模型 高斯-牛顿迭代法 最小二乘法 参数估计 带宽曲线 |
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| Application of VCSEL Laser Simulation Model in Home Fixed Network |
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| Abstract:Aiming at the problem of ambient temperature in laser operation and device bandwidth, the model of optical power and current (L-I) of corresponding lasers and the characteristic curve model of voltage and current (U-I) in operation are proposed, the least square method and Gauss Newton method are used, the model is preliminarily solved and improved, and the temperature of the optimal laser working environment is finally obtained. Proposing a VCSEL model based on bandwidth (Small Signal Response Model), and considering the influence of laser temperature and bias current on device bandwidth, a nonlinear optimization method is used to calculate the bandwidth model and the conclusions can be drawn. |
| keywords:simulation model VCSEL Gauss-Newton iterative method least square method parameter estimation Bandwidth curve |
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