Statistics of PMD-induced power fading for intensity-modulated double-sideband and single-sideband microwave and millimeter-wave signals

被引:16
作者
Adamczyk, OH [1 ]
Sahin, AB [1 ]
Yu, Q [1 ]
Lee, S [1 ]
Willner, AE [1 ]
机构
[1] Univ So Calif, Dept Elect Engn, Los Angeles, CA 90089 USA
关键词
double-sideband modulation; microwave photonics; optical fiber communication; PMD emulator; polarization-mode dispersion; power fading; single-sideband modulation; subcarrier multiplexing;
D O I
10.1109/22.954815
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
Polarization-mode dispersion (PMD) can severely degrade the performance of millimeter-wave fiber-optic links by inducing a power fading penalty of the received signal that is dependent on the subcarrier frequency and accumulated PMD along the fiber. We experimentally investigate the statistics of PMD-induced power fading as a function of the differential group delay (DGD) for intensity-modulated double- and single-sideband subcarrier-multiplexed signals in the absence of chromatic dispersion. We find a similar susceptibility to PMD-induced power fading for both modulation formats with a subcarrier frequency of 7 GHz using a PMD emulator with a Maxwellian distribution of DGD (average DGD similar to 40 ps). A significant improvement in the worst case power fading penalty (similar to 20 dB) is achieved by using an electronically controlled polarization controller in combination with a single section of polarization maintaining fiber in a dynamic first-order PMD compensator. Furthermore, the results of numerical Monte Carlo simulations support the measured data and show the scalability of PMD-induced power fading for subcarrier-multiplexed signals in the microwave and millimeter-wave region.
引用
收藏
页码:1962 / 1967
页数:6
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