A photonic transmission link with enhanced dynamic range by incorporating phase shifters in dual drive dual parallel Mach–Zehnder modulator

被引：0
|
作者：
Singh S. [1 ]
Arya S.K. [1 ]
Singla S. [2 ]
Berwal P. [3 ]
机构：
[1] Department of Electronics and Communication Engineering, Guru Jambheshwar University of Science and Technology, Haryana, Hisar
[2] Department of Electronics and Communication Engineering, Greater Noida Institute of Technology, Uttar Pradesh, Greater Noida
[3] University Institute of Engineering and Technology, Maharishi Dayanand University, Haryana, Rohtak
来源：
Journal of Optical Communications | 2023年 / 44卷 / s1期
关键词：
DD-DPMZM; IMD3; MWP; SFDR;
D O I：
10.1515/joc-2021-0080
中图分类号：
学科分类号：
摘要：
A linearization scheme is proposed for microwave photonic link to enlarge spurious free dynamic range using a dual-electrode dual parallel Mach–Zehnder modulator (MZM). This scheme employs phase control method to improve performance of the link by adjusting phase of radio frequency (RF) signals and bias voltages of optical modulator. Optical single sideband modulation is achieved through sub-modulators of dual parallel MZM which increases efficiency of the link. The simulated results show that third order intermodulation distortion is suppressed by 28 dB when the input RF signals are 9.1 and 9.5 GHz and noise floor is at −161 dBm/Hz. The spurious free dynamic range is also improved by 12.6 dB. © 2023 Walter de Gruyter GmbH. All rights reserved.
引用
收藏
页码：S435 / S439
页数：4
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