A frequency sextupling scheme for high-quality optical millimeter-wave signal generation without optical filter

被引：24
|
作者：
Shi, Peiming [1 ]
Yu, Song [1 ]
Li, Zekun [1 ]
Huang, Shanguo [1 ]
Shen, Jing [1 ]
Qiao, Yaojun [1 ]
Zhang, Jie [1 ]
Gu, Wanyi [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Key Lab Informat Photon & Opt Commun, Minist Educ, Beijing 100876, Peoples R China
来源：
OPTICAL FIBER TECHNOLOGY | 2011年 / 17卷 / 03期
基金：
美国国家科学基金会;
关键词：
Frequency sextupling; Integrated Mach-Zehnder modulator (IMZM); High-quality; Optical sideband suppression ratio (OSSR); Radio frequency spurious suppression ratio (RFSSR); CARRIER SUPPRESSION; EXTERNAL MODULATORS; WAVELENGTH REUSE; PHASE MODULATOR; FIBER SYSTEMS; LINK;
D O I：
10.1016/j.yofte.2011.02.007
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：
Based on a laser with an integrated Mach-Zehnder modulator (IMZM), a novel frequency sextupling scheme is proposed for the millimeter-wave (mm-wave) signal generation in radio over fiber system. Theoretical analysis is presented to implement the two-tone optical frequency multiplication. The simulation results show that the high-quality frequency sextupling mm-wave signal can be generated without any optical or electrical filter. The optical sideband suppression ratio (OSSR) higher than 29 dB can be obtained without optical filter when the IMZM is consisted of three sub-MZMs with extinction of 30 dB. Furthermore, the influence of imperfect extinction ratio of the IMZM and nonideal phase difference between RF drive signal of two sub-MZMs of the IMZM on OSSR is investigated, and the quality of the generated optical mm-wave signal for two cases of the proposed scheme is also compared. (C) 2011 Elsevier Inc. All rights reserved.
引用
收藏
页码：236 / 241
页数：6
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