A Photonic Frequency Downconverter based on a Single Dual-drive Mach-Zehnder Modulator

被引：0
|
作者：
Tang, Zhenzhou [1 ]
Zhang, Fangzhen [1 ]
Zhu, Dan [1 ]
Zou, Xihua [2 ]
Pan, Shilong [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Coll Elect & Informat Engn, Microwave Photon Res Lab, Nanjing 210016, Jiangsu, Peoples R China
[2] Southwest Jiaotong Univ, Ctr Informat Photon & Commun, Leshan, Peoples R China
来源：
2013 IEEE INTERNATIONAL TOPICAL MEETING ON MICROWAVE PHOTONICS (MWP) | 2013年
关键词：
dual-drive Mach-Zehnder modulator; frequency downconversion; radio over fiber; microwave photonics; MICROWAVE; CONVERSION; AMPLIFIER; LINK;
D O I：
暂无
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 novel photonic frequency downconverter is proposed and demonstrated using a single dual-drive Mach-Zehnder modulator (DMZM). In the proposed scheme, the local oscillator (LO) and radio frequency (RF) signals are sent to the two RF ports of the DMZM, respectively. By biasing the modulator at the minimum transmission point, a downconverted intermediate frequency (IF) signal with the RF and LO components suppressed is obtained. An experiment is carried out to demonstrate the feasibility of the downconverter. Results show that a 30-GHz RF signal with 50-Mbaud 16 quadrature amplitude modulation (QAM) is successfully downconverted to the 2.4-GHz IF band. The error vector magnitude (EVM) of the downconverted signal is less than 2.0%.
引用
收藏
页码：150 / 153
页数：4
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