Optical single sideband millimeter-wave signal generation and transmission using 120° hybrid coupler

被引：17

作者：

Zheng, Zhiwei ^{[1
,2
]}

Peng, Miao ^{[2
]}

Zhou, Hui ^{[2
]}

Chen, Ming ^{[2
]}

Jiang, Leyong ^{[2
]}

Tan, Li ^{[2
]}

Dai, Xiaoyu ^{[1
]}

Xiang, Yuanjiang ^{[1
]}

机构：

[1] Shenzhen Univ, Minist Educ & Guangdong Prov, SZU NUS Collaborat Innovat Ctr Optoelect Sci & Tec, Key Lab Optoelect Devices & Syst,Coll Optoelect En, Shenzhen 518060, Peoples R China

[2] Hunan Normal Univ, Coll Phys & Informat Sci, Changsha 410081, Hunan, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2018年 / 411卷

基金：

中国国家自然科学基金;

关键词：

Optical single sideband (OSSB); Bit error ratio (BER); Mach-Zehnder modulator (MZM); FIBER DISPERSION; PERFORMANCE; MODULATION; SUPPRESSION; SYSTEMS; RADIO;

D O I：

10.1016/j.optcom.2017.11.001

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose a novel 60 GHz optical single sideband (OSSB) millimeter-wave (mm-wave) signal generation scheme using 120 degrees hybrid coupler based on external integrated Mach-Zehnder modulator (MZM). The proposed scheme shows that the bit error ratio (BER) performance is improved by suppressing the + 2nd-order sideband. Meanwhile, the transmission distance is extended as only the optical + 1st-order sideband is modulated by using 5 Gbit/s baseband signal while the carrier is blank, owing to the elimination of walk-off effect suffered from fiber dispersion. The simulation results demonstrated that the eye diagrams of the generated 60 GHz OSSB signal keep open and clear after 100 km standard single-mode fiber (SSMF). In addition, the proposed scheme can achieve 2 dB receiver sensitivity improvements than the conventional 90 degrees hybrid coupler when transmitted over 100 km SSMF at a BER of 10(-9). (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：21 / 26

页数：6

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