基于反射式电吸收调制器(REAM)的光纤无线电(RoF)链路

Y. Ben-Ezra, D. Brodeski, B. Lembrikov
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引用次数: 0

摘要

在光通信系统中,光信号调制有两种类型:激光二极管(LD)辐射的直接调制和使用外部调制器的间接调制。外置电吸收调制器(EAMs)由于其低成本、可与lcd集成、低电压、低功耗、极化不敏感、低啁啾和高速运行等优点,在高速应用中备受关注。近年来,反射式电吸收调制器(ream)被提出用于光纤无线传输(RoF)。REAM设备具有较大的可用带宽,允许固定和移动接入融合,并且在远程接入单元(RAU)中不需要激光器。在这项工作中,我们实验研究了在检测和调制体制下RoF链路的RAU中的REAM操作。给出了测量到的REAM特性和检测到的射频信号的频谱。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Radio-over-fiber (RoF) links based on reflective electro-absorption modulator (REAM)
There are two types of optical signal modulation in optical communication systems: the direct modulation of the laser diode (LD) radiation and the indirect modulation by using an external modulator. External electro-absorption modulators (EAMs) attracted a great attention in high-speed applications due to low cost, possibility of integration with LDs, low voltage, low power consumption, polarization insensitivity, low chirp, and higher speed operation. Recently, reflective electro-absorption modulators (REAMs) have been proposed for radio-over fiber (RoF) applications. REAM devices have a large available bandwidth, allow fixed and mobile access convergence, and need not lasers in a remote access unit (RAU). In this work, we investigated experimentally the REAM operation in a RAU of a RoF link in the detection and modulation regimes. The measured REAM characteristics and spectra of the detected radio frequency (RF) signals are presented.
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