利用量子冲线锁模频率梳状激光器的光子波束形成

2022 IEEE International Topical Meeting on Microwave Photonics (MWP) Pub Date : 2022-10-01 DOI:10.1109/MWP54208.2022.9997700

Y. Xie, Mostafa Khali, Hao Sun, Lawrence R. Chen, Sehr Moosabhoy, Jiaren Liu, Zhenguo Lu, P. Poole, J. Weber

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引用次数: 0

摘要

利用量子冲刺锁模激光，研制了一种基于微波光子的定向相控天线阵列，并进行了实验验证。由于该系统的自由频谱范围为25ghz，因此具有较高的频带利用率。利用这些梳状线，设计并仿真了两种定向天线阵列:均匀线性阵列(ULA)和均匀圆形阵列(UCA)。结果表明，这两种结构的指向性可达14 dBi。此外，末射ULA系统对相位误差的敏感性较低。虽然UCA的灵敏度更高，但与ULA相比，它的RF带宽也更宽。

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Photonic beamforming using quantum-dash mode-locked frequency comb laser

We develop and experimentally demonstrate a microwave photonic-based directional phased antenna array using quantum dash mode-locked laser. Thanks to the 25 GHz free spectral range, this system has higher band utilization. With these comb lines, two types of directional antenna arrays, uniform linear array (ULA) and uniform circular array (UCA), are designed and simulated. It is found that these two structures have directivity up to 14 dBi. Moreover, the end-fire ULA system shows less sensitivity to the phase error. Although UCA is more sensitive, it also has wider RF bandwidth compared to ULA.

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2022 IEEE International Topical Meeting on Microwave Photonics (MWP)

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