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所在平台: Udemy |
课程主页: https://www.udemy.com/course/link-power-budget-methods-for-design-of-optical-link/
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**Coursera课程《光链路设计分析处理》内容概要** 本课程深入探讨了长距离通信光链路的设计，重点关注点对点光链路的设计考量。课程涵盖了以下关键内容： * **光源选择：** 强调了为长距离通信选择合适的光源的重要性，并从光源角度阐述了发射波长、光谱宽度和输出功率的要求。根据数据速率和输出功率需求进行光源选择。 * **探测器选择：** 讲解了探测器的选择如何依赖于光源和数据传输速率，并从探测器角度分析了其响应度和效率的要求。 * **系统要求：** 详细研究了长距离通信光链路的系统要求，包括对光纤、光源和探测器的具体考量。从系统整体角度出发，阐述了为实现长距离通信所需匹配的光源和探测器的功率要求。 * **传输距离与数据速率：** 分析了长距离通信的光链路传输距离需求和数据速率需求。 * **光纤类型：** 介绍了用于长距离通信的光纤类型。 * **损耗组成：** 深入研究了构成系统损耗的各个组成部分，包括光源和探测器的连接器损耗以及光纤接头的损耗。 * **时间预算：** 阐述了上升时间预算的概念，解释了成功传输数据并满足比特错误率（BER）要求所需的系统时间。 * **放大器应用：** 详细介绍了光链路中使用的各种放大器，包括前置放大器、链路中间放大器、接收器前放大器和接收器后放大器。简要说明了适用于不同应用的放大器，并特别指出宽带光放大器在长距离通信中的应用。
This course elaborate design of optical link for long distance communication. Point to point optical link consideration for design. Selection of proper optical source for longer distance communication through optical link. Selection of detector for optical link depends upon the choice of source and data rate transmission. Transmission distance requirement for long distance communication with optical link. Study the data rate requirement for optical link. Type of optical fiber used for long distance communication. Study the system requirements such as optical fiber, source and detector for long distance communication. From the source point of view requirement is emission wavelength, spectral width and output power. Selection of source based on the data rate requirement and output power. The detector requirement based on the responsivity and its efficiency. From the system point of view the power requirement for long distance communication for this source and detector is to be selected. Understand the system loss components include loss at connector at source and detector and splice losses. The rise time budget includes the system time for the successful transmission of data with proper BER. It elaborates the amplifier used for the optical link. There are various types of amplifier used at front end, in between link, before receiver and after receiver. The amplifier suitable for various application is explain in brief. Wide-band optical amplifier is used for long distance communication.
