Osnr performance on hand-made demultiplexer using thin-film filter and splitter in wdm-pof network design for short-haul communication system applications

Mohd Syuhaimi Ab-Rahman, L. S. Supian, H. Safnal, M. Harun, K. Jumari
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引用次数: 6

Abstract

Polymer optical fiber has advantages compared to other alternatives communication media such as copper, coax cable and glass fiber. POF has bigger bandwidth compared to wireless communication network and POF also free from electromagnetic disruption. POF is suitable for communication system up to distance of 100 meters with data speed of 400 Mbps using polymer step-index type. Thus, POF is effective for short haul data transmission. Applications of POF has widen nowadays including the Ethernet network at home or usually known as fiber to the home (FTTH) and in also used in automotive system. To increase the bandwidth of the transmission system, wavelength division multiplexing technique or WDM is applied in this study using optical splitter. Several signals with different wavelengths are multiplexed and carried over a single fiber and demultiplexed at the end of the communication system to obtain the original signal to be directed to the receiver. The advantage of the device developed in this study is that it is easy to construct and inexpensive. Thin-film is used as filter and two main color wavelength used are red and green thin-films. The red thin-film will absorb any other wavelength other than = 650 nm and the green thin-film will absorb any other wavelength that is not around = 510 nm. Characterization is done to test the signal strength with the existence of noise. Optical to noise ratio (OSNR) is measured to determine the optimum distance of the demultiplexer can work effectively. In this study, the maximum distance is taken up to five meters and the signal degradation is small. Although the signal strength decreases linearly with the length of the fiber as the noise increases, the demultiplexer works efficiently for short haul communication system.
短距离通信系统wdm- pom网络设计中使用薄膜滤波器和分配器的手工解复用器的Osnr性能
聚合物光纤与铜、同轴电缆和玻璃纤维等其他替代通信介质相比具有优势。与无线通信网络相比,POF具有更大的带宽,并且不受电磁干扰。POF适用于传输距离为100米,数据传输速度为400 Mbps的聚合物阶跃指数型通信系统。因此,POF是有效的短距离数据传输。目前,POF的应用范围越来越广,包括家庭以太网或通常称为光纤到户(FTTH),也用于汽车系统。为了提高传输系统的带宽,本研究采用了波分复用技术,即WDM。在通信系统的末端,将具有不同波长的多个信号进行多路复用并在单个光纤上传输,并进行解复用,以获得要定向到接收器的原始信号。本研究开发的装置的优点是易于构造且价格低廉。薄膜用作滤光片,使用的两种主要颜色波长是红色和绿色薄膜。红色薄膜将吸收= 650 nm以外的任何波长,绿色薄膜将吸收= 510 nm以外的任何波长。进行表征以测试存在噪声时的信号强度。通过测量光噪比(OSNR)来确定解复用器能否有效工作的最佳距离。在本研究中,最大距离可达5米,信号衰减很小。尽管信号强度随着光纤长度的增加而线性降低,但该解复用器在短距离通信系统中工作效率很高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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