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2022 IEEE International Topical Meeting on Microwave Photonics (MWP)最新文献

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High-precision broadband silicon photonics beamformer 高精度宽带硅光子波束形成器
Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997698
Pablo Martínez-Carrasco Romero, D. P. López, D. P. Galacho, T. Ho, David Wessel, José Capmany Francoy
We report a beamforming architecture that leverages on increased precision provided by the PAA configuration previously presented but free from beam squint limitation. This is achieved by inserting a precompensating OTTDL stage prior to the configurable delay stages.
我们报告了一种波束形成架构,该架构利用了先前提出的PAA配置提供的更高精度,但没有波束斜视限制。这是通过在可配置延迟阶段之前插入一个预补偿otdl阶段来实现的。
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引用次数: 1
Generative Adversarial Network for Data Augmentation in Photonic-based Microwave Frequency Measurement 基于光子微波频率测量的数据增强生成对抗网络
Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997615
Md. Asaduzzaman Jabin, Qidi Liu, M. Fok
Deep learning is a powerful tool for enhancing performance and increasing the functionalities of a system. However, it is challenging to use deep learning to enhance hardware-based photonic systems because a large dataset that covers the whole operation range of each device is needed for achieving an accurate model. However, not all devices in a system can be controlled automatically, making the data collection process challenging and time consuming. In this letter, we use an instantaneous microwave frequency measurement (IFM) system to demonstrate the use of generative adversarial network (GAN) in deep learning platform for data augmentation. With GAN, only 75 sets of experimental data are needed to collect manually from the IFM system. The GAN augments the 75 sets of experimental data into 5000 sets of data for training the model, effectively reduces the amount of experimental data needed by 98.75%, and reduces frequency estimation error by 10 times.
深度学习是增强系统性能和增加系统功能的强大工具。然而,使用深度学习来增强基于硬件的光子系统是具有挑战性的,因为需要一个覆盖每个设备整个操作范围的大型数据集来实现准确的模型。然而,并非系统中的所有设备都可以自动控制,这使得数据收集过程具有挑战性且耗时。在这封信中,我们使用瞬时微波频率测量(IFM)系统来演示在深度学习平台中使用生成对抗网络(GAN)进行数据增强。使用GAN,只需要从IFM系统手动收集75组实验数据。GAN将75组实验数据扩充为5000组数据用于训练模型,有效减少了所需实验数据量的98.75%,将频率估计误差降低了10倍。
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引用次数: 0
Optical Emulation of Inverse Synthetic Aperture Radar 逆合成孔径雷达的光学仿真
Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997705
Lucio De Pra, Michael J. Benker, Yifei Li, T. Manzur
In this paper, investigations of a novel photonic measurement technique for scaled microwave structures have been further explored. Results of this new technique are promising in linking microwave scattering of large electromagnetic structures to those of near-infrared (NIR).
本文进一步探讨了一种新型的尺度微波结构光子测量技术。这项新技术的结果有望将大型电磁结构的微波散射与近红外(NIR)的微波散射联系起来。
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引用次数: 1
Low-Cost Covert Wireless Communication Assisted by Optical Frequency Comb for Deep Denoising 基于光频梳的低成本隐蔽无线通信深度去噪
Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997668
Fangge Fu, B. Lu, Xianglei Yan, Mingliang Deng, Long Zhu, Andong Wang
Covert wireless communication assisted by optical frequency comb (OFC) has already been presented, but its denoise capacity is restricted by the OFC properties. A novel, low-cost covert wireless communication system is proposed and demonstrated. In the proposed approach, original data are spread and buried by the noise to ensure high covertness, and then are effectively recovered by analog frequency convolution using the OFC and the cloned OFC generated by an optical frequency shifter. A same signal to noise ratio (SNR) enhancement can be achieved by employing half of the optical comb lines, which alleviates the requirement of OFC generator. 400 comb lines provide 800 comb channels, so that 29 dB SNR rise is achieved for the microwave signal with a 16 GHz bandwidth and a 20 Mbit/s data rate, which is hidden below the in-band noises by 20 dB or even 29 dB in both the frequency and time domains.
利用光频梳辅助的隐蔽无线通信技术已经被提出,但其降噪能力受到光频梳特性的限制。提出并演示了一种新型的低成本隐蔽无线通信系统。该方法将原始数据分散并被噪声掩盖,保证了高覆盖度,然后利用OFC和光移频器产生的克隆OFC进行模拟频率卷积,有效地恢复了原始数据。使用一半的光梳线可以达到相同的信噪比增强,减轻了对OFC发生器的要求。400条梳线提供800个梳道,使得带宽为16 GHz、数据速率为20 Mbit/s的微波信号信噪比提升达到29 dB,在频域和时域都被隐藏在带内噪声之下20 dB甚至29 dB。
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引用次数: 1
Transmission and Reception of RF Signals in Power-over-Fiber Links Powered by Raman Lasers 拉曼激光器光纤供电链路中射频信号的传输和接收
Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997661
Romildo H. Souza, Paulo Kiohara, L. Ghisa, M. Guegan, V. Quintard, O. Coutinho, V. Almeida, A. Pérennou
Simultaneous transmission of high-speed data and high-power energy in optical networks is merging radio-over-fiber (RoF) and power-over-fiber (PoF) concepts. In this work, we present an approach to evaluate the analog performance of RoF-PoF systems, based on figures of merit used in microwave photonics. Different optical links are proposed to transmit and receive RF signals remotely, while using the same fiber to supply power to electronic sensors. We compare measured values with theoretical predictions in two experimental setups. Both employ a 1480 nm power signal and a 1550 nm data signal propagating together over a 10 km single-mode fiber (SMF). Analytical results are in good agreement with measurements, as long as power level does not exceed a specific threshold, when system instabilities arise. Optical power delivered to the optical-electrical converter is sufficient to feed low consumption devices, proving the effectiveness of such approaches in remote applications.
光网络中高速数据和高功率能量的同时传输融合了光纤无线电(RoF)和光纤电力(PoF)的概念。在这项工作中,我们提出了一种基于微波光子学中使用的优点数来评估RoF-PoF系统模拟性能的方法。提出了不同的光链路来远程发送和接收射频信号,同时使用相同的光纤为电子传感器供电。在两个实验装置中,我们将测量值与理论预测值进行比较。两者都采用1480nm功率信号和1550nm数据信号,通过10公里单模光纤(SMF)一起传播。当系统出现不稳定时,只要功率水平不超过特定阈值,分析结果与测量结果很好地吻合。传输到光电转换器的光功率足以为低功耗设备供电,证明了这种方法在远程应用中的有效性。
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引用次数: 2
Quantum Master Equation for a Lossy Josephson Traveling-Wave Parametric Amplifier 有损Josephson行波参量放大器的量子主方程
Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997682
Yongjie Yuan, M. Haider, C. Jirauschek
In this paper, we present a theoretical framework for investigating losses and thermal fluctuations in a Josephson traveling-wave parametric amplifier (JTWPA). Our model is based on a discrete-mode Hamiltonian which includes a four-wave-mixing process and system-reservoir interactions. From this Hamiltonian, we derive a quantum master equation that describes the lossy Josephson-junction-embedded transmission line. The resulting equation of motion for the reduced density operator is applied for evaluating the average photon number in the signal mode. We present an analytic solution for the case of a dispersionless transmission line, where the phase-modulation effects can be neglected, and evaluate the photon number spectrum of a JTWPA structure with parameters from the literature. The quantum master equation is especially advantageous for a direct treatment of the expectation values of the photon number, in comparison to other strategies.
本文提出了一个研究Josephson行波参量放大器(JTWPA)损耗和热波动的理论框架。我们的模型是基于一个离散模式的哈密顿量,其中包括一个四波混合过程和系统-油藏相互作用。从这个哈密顿量出发,我们推导了一个描述有损约瑟夫森结嵌入传输线的量子主方程。所得到的密度算子的运动方程用于计算信号模式下的平均光子数。我们给出了一种可以忽略相位调制效应的无色散传输线的解析解,并利用文献中的参数评估了JTWPA结构的光子数谱。与其他策略相比,量子主方程对于直接处理光子数的期望值特别有利。
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引用次数: 0
Compact Integrated Phase Locked Loop for Optical Frequency Difference Locking 用于光频差锁定的紧凑型集成锁相环
Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997798
Xiaochuan Shen, R. Costanzo, Prerana Singaraju, S. Bowers
In this paper, a compact integrated CMOS phase locked loop (PLL) is proposed to lock the drifting beatnote generated by heterodyning two optical lasers/comb tones. The integrated PLL is fabricated in TSMC 65nm CMOS process. It takes dc power of 9.8 mW and occupies an area of 0.67 mm2. When heterogeneously integrated with photonic chips, stable and high-power millimeter wave (mm-wave) could be generated in a compact packaging for radio-over-fiber communication systems and antenna remoting. A prototype of the integrated PLL is demonstrated and measured with the beatnote locked at 1.12 GHz.
本文提出了一种紧凑的集成CMOS锁相环(PLL),用于锁定外差两光激光器/梳状音调产生的漂移音。集成锁相环采用台积电65nm CMOS工艺制造。它的直流功率为9.8 mW,占地面积为0.67 mm2。当与光子芯片异质集成时,可以在紧凑的封装中产生稳定的高功率毫米波(mm-wave),用于光纤上无线电通信系统和天线遥控。对集成锁相环的原型进行了演示和测量,并将节拍锁定在1.12 GHz。
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引用次数: 0
Coherent Microwave Photonic Links With Increased Transmission Capacity 增加传输容量的相干微波光子链路
Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997650
Long Huang, Zhenguo Lu, Ke Wu, J. Yao
Two microwave photonic links (MPLs) with increased transmission capacity based on coherent detection and digital signal processing are proposed. In the first MPL, two microwave vector signals at the same microwave carrier frequency are applied to a dual-drive Mach-Zehnder modulator (DD-MZM) to modulate the two signals on an optical carrier. After transmission over a single-mode fiber, the optical signal is received at a coherent receiver. To recover the two microwave vector signals, a DSP algorithm is developed. Full recovery of the microwave vector signals free from the joint phase noise between the transmitter and the local oscillator laser sources is realized. In the second MPL, the DD-MZM is replaced by a dual-parallel DD-MZM, to which four microwave vector signals are applied. Again, a DSP algorithm is developed. Full recovery of the microwave vector signals free from the joint phase noise is realized. For the MPLs, error-free transmission is experimentally demonstrated.
提出了基于相干检测和数字信号处理的两种提高传输容量的微波光子链路。在第一种MPL中,将相同微波载波频率的两个微波矢量信号应用于光载波上的双驱动马赫-曾德尔调制器(DD-MZM)进行调制。通过单模光纤传输后,光信号被相干接收器接收。为了恢复两个微波矢量信号,提出了一种DSP算法。实现了不受发射机和本振激光源联合相位噪声影响的微波矢量信号的完全恢复。在第二个MPL中,DD-MZM被双并联DD-MZM取代,其中四个微波矢量信号被应用。再次,开发了一种DSP算法。实现了不受联合相位噪声影响的微波矢量信号的完全恢复。实验证明了MPLs的无差错传输。
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引用次数: 0
High-resolution Near-field Imaging with a Microwave Photonic Broadband Array Radar 微波光子宽带阵列雷达的高分辨率近场成像
Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997730
Yuewen Zhou, Fangzheng Zhang, Guanqun Sun, S. Pan, Jinhu Li, Jiayuan Kong
High-resolution imaging of near field targets is experimentally demonstrated using a broadband microwave photonic array radar that is implemented by photonic frequency quadrupling and de-chirping. A scanning time delay (STD) compensated digital beam forming (DBF) method is adopted to deal with the beam squint and broadening problem in broadband radar imaging. In the experiment, a 1×16 microwave photonic array radar having a bandwidth of 8 GHz is implemented. By using the STD-compensated DBF method, high-resolution imaging of near-field targets is achieved with obvious suppression of grating lobes and accurate beam correction.
利用光子频率四倍倍和去啁啾实现的宽带微波光子阵列雷达,实验证明了近场目标的高分辨率成像。采用扫描时延补偿的数字波束形成方法来解决宽带雷达成像中的波束斜视和波束展宽问题。在实验中,实现了带宽为8 GHz的1×16微波光子阵列雷达。采用std补偿DBF方法,实现了高分辨率的近场目标成像,具有明显的光栅瓣抑制和精确的光束校正。
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引用次数: 0
Lightwave modulation for high-performance radio-over-fiber systems 用于高性能光纤无线电系统的光波调制
Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997597
T. Kawanishi
This paper reviews lightwave modulation techniques for digital and analog radio-over-fiber systems. Precise modulation is useful for advanced modulation formats and for photonic local oscillator signal generation.
本文综述了光纤上数字和模拟无线电系统的光波调制技术。精确调制对于高级调制格式和光子本振信号的产生是有用的。
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引用次数: 1
期刊
2022 IEEE International Topical Meeting on Microwave Photonics (MWP)
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