非线性光谱展宽载波的湍流信道高速传输特性
High-speed transmission characteristics of nonlinear spectral broadening carrier in turbulent channel
- 通信学报 2021年42卷第1期 页码：172-177
- 作者机构：
1. 长春理工大学空间光电技术国家地方联合工程研究中心，吉林 长春 130022
2. 长春理工大学光电工程学院，吉林 长春 130022
3. 长春理工大学电子信息工程学院，吉林 长春 130022
- 作者简介：
[ "王天枢（1975- ），男，吉林长春人，博士，长春理工大学教授，主要研究方向为高速空间激光通信、光纤通信技术、超快激光技术等。" ]
[ "张莹（1995- ），女，吉林长春人，长春理工大学硕士生，主要研究方向为空间激光通信技术。" ]
[ "于策（1994- ），男，吉林长春人，长春理工大学硕士生，主要研究方向为空间激光通信技术。" ]
[ "董芳（1995- ），男，山东淄博人，长春理工大学硕士生，主要研究方向为光纤通信技术。" ]
[ "马万卓（1989- ），男，吉林长春人，博士，长春理工大学讲师，主要研究方向为光纤通信技术、超快激光技术、全光信号处理等。" ]
[ "刘显著（1989- ），男，吉林长春人，博士，长春理工大学讲师，主要研究方向为空间激光通信技术等。" ]
- 基金信息：国家自然科学基金资助项目(61975021);国家自然科学基金资助项目(61905022)
DOI：10.11959/j.issn.1000-436x.2021014
中图分类号： TN929.12-
网络首发：2021-01，
纸质出版：2021-01-25
- 稿件说明：
移动端阅览
王天枢, 张莹, 于策, 等. 非线性光谱展宽载波的湍流信道高速传输特性[J]. 通信学报, 2021,42(1):172-177.
Tianshu WANG, Ying ZHANG, Ce YU, et al. High-speed transmission characteristics of nonlinear spectral broadening carrier in turbulent channel[J]. Journal on Communications, 2021, 42(1): 172-177.
王天枢, 张莹, 于策, 等. 非线性光谱展宽载波的湍流信道高速传输特性[J]. 通信学报, 2021,42(1):172-177. DOI： 10.11959/j.issn.1000-436x.2021014.
Tianshu WANG, Ying ZHANG, Ce YU, et al. High-speed transmission characteristics of nonlinear spectral broadening carrier in turbulent channel[J]. Journal on Communications, 2021, 42(1): 172-177. DOI： 10.11959/j.issn.1000-436x.2021014.
摘要
采用非线性光谱展宽光源作为高重复频率部分相干光载波光源，开展大气湍流信道中高速信息传输实验研究。通过皮秒光纤激光器泵浦高非线性光纤获得非线性光谱展宽的部分相干光载波光源，重复频率可达10 GHz。采用10 Gbit/s脉冲高速数字调制，通过模拟大气湍流信道传输，相干光载波和部分相干光载波在湍流信道传输前后的信噪比分别从16.83 dB和11.83 dB降低至4.31 dB和5.64 dB。在温度差∆T=230℃的模拟大气湍流通道中，当误码率为3.8×10
-3
时，部分相干光载波链路灵敏度达到-27.8 dBm，与相干光载波相比，灵敏度提高了1.6 dB。
Abstract
The nonlinear spectral broadening light source was used as a partially coherent carrier source with high repetition frequency to carry out experimental research on high-speed information transmission in atmospheric turbulence channels.A partially coherent beams source with nonlinear spectral broadening was obtained by pumping a highly nonlinear fiber with a picosecond fiber laser
and the repetition frequency could reach 10 GHz.The 10 Gbit/s pulse high-speed digital modulation was used and transmitted through a simulated atmospheric turbulence channel
the signal-to-noise ratio of the coherent optical carrier and partially coherent optical carrier before and after the turbulent channel transmission is reduced from 16.83 dB and 11.83 dB to 4.31 dB and 5.64 dB
respectively.In the simulated atmospheric turbulence channel at ∆T=230℃
when the bit error rate is 3.8×10
-3
the sensitivity of partially coherent optical carrier links reaches-27.8 dBm
which is 1.6 dB higher than that of coherent optical carriers.
关键词
Keywords
references
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