Optical Techniques for Up-Conversion of MB-OFDM Signals in 60 GHz and using Fiber Bragg Grating

被引：0
|
作者：
Nguyen, G. H. [1 ]
Dobremez, V. [1 ]
Cabon, B. [1 ]
Le Guennec, Y. [1 ]
机构：
[1] Inst Microelect Electromagnetism & Photon, F-38016 Grenoble, France
来源：
2009 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-8 | 2009年
关键词：
Radio-over-Fiber; all-optical double sideband suppressed-carrier modulation; Ultra-Wide-Band (UWB); Mach Zehnder interferometer; direct modulation; Laser diode; Fiber Bragg Grating (FBG); SYSTEM;
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：
We have demonstrated two techniques for all optical frequency up-conversion of Multi-Band Orthogonal Frequency Division Multiplexing (MB-OFDM) signal with 400Mbps bit rate in the 60 GHz band. The first technique is based on direct modulation of Laser Diode (LD) associated with an electro-optic modulator (EOM) and the second one is based on two cascaded EOMs. For both techniques, a Fiber Bragg Grating (FBG) is inserted to suppress undesired signal around 60 GHz band. Direct modulation of LD with an EOM is cost effective compared to two cascaded E0Ms, and exhibits a gain of 5 dB in the received optical power. A minimum error vector magnitude (EVM) of 18% and 20% are measured for direct modulation of LD with an EOM and two cascaded EOMs techniques, respectively which complies with MB-OFDM standard.
引用
收藏
页码：4464 / 4468
页数：5
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