Error-free simultaneous all-optical upconversion of WDM radio-over-fiber signals

被引：51

作者：

Song, HJ ^{[1
]}

Lee, JS ^{[1
]}

Song, JI ^{[1
]}

机构：

[1] Gwangju Inst Sci & Technol, Dept Informat & Commun, Kwangju 500712, South Korea

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2005年 / 17卷 / 08期

关键词：

all-optical frequency upconversion; photonic mixer; radio frequency (RF) photonics; radio-over-fiber (RoF) system; semiconductor optical amplifier Mach-Zehnder interferometer; (SOA-MZI);

D O I：

10.1109/LPT.2005.850894

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：

A simultaneous all-optical upconversion technique for cost-effective wavelength-division-multiplexing (WDM) radio-over-fiber (RoF) applications utilizing a semiconductor optical amplifier (SOA) Mach-Zehnder interferometer is investigated. The proposed upconversion scheme uses only one frequency upconverter for multi-RoF channels, thereby reducing the complexity and cost of the system. Error-free simultaneous all-optical upconversion of two WDM intermediate frequency (IF) channels (155-Mb/s differential phase-shift keying signal at 2.5 GHz) to an optical radio frequency signal (22.5 GHz) is achieved. In addition, the effect of gain saturation of the SOA due to the increased number of WDM IF channels on bit-error-rates performance is also experimentally investigated.

引用

页码：1731 / 1733

页数：3

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