Ultra-Low-Power Optical Network Unit Driven by Optical Power Supply Using Single-Mode Fiber

被引：2

作者：

Miyatake, Ryo ^{[1
]}

Katsurai, Hiroaki ^{[1
]}

Fukada, Youichi ^{[1
]}

Sekiguchi, Masayoshi ^{[1
]}

Yoshida, Tomoaki ^{[1
]}

机构：

[1] NTT Corp, NTT Access Network Serv Syst Labs, Yokosuka 2390847, Japan

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2023年 / 35卷 / 16期

关键词：

Internet of Things (IoT); optical fiber; optical network unit (ONU); power over fiber (PoF); optical power supply; power consumption; sleep algorithm; RADIO;

D O I：

10.1109/LPT.2023.3287286

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The range of communication services can be significantly expanded if an optical network unit (ONU) is driven by laser energy via an optical fiber. One use case in this context is driving an ONU for collecting sensor data from IoT devices in an environment without a power supply (e.g., a mountain), but a single-mode fiber can only supply about 1 / 1000 the power required in a typical ONU. We therefore developed a power-saving algorithm. Experiments with a prototyped ONU showed that the average power consumption was reduced to about 1 / 1000 (15 mW) and that it could be driven at our target fiber length and active time rate (5 km, 0.4%). It could be utilized with only an optical power supply and was able to periodically receive 6 KB sensor images from IoT device.

引用

页码：874 / 877

页数：4

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