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

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Integrated Microwave-to-Optical Converter Using Patch Antennas on Thin-Film Lithium Niobate 薄膜铌酸锂贴片天线集成微波光转换器
Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997732
F. A. Juneghani, M. G. Vazimali, Kim F. Lee, G. Kanter, S. Fathpour
An integrated microwave-to-optical converter is demonstrated using a slotted patch antenna and an embedded optical waveguide fabricated on the thin-film lithium niobate (TFLN) platform. The converter is designed to operate at the center frequency of 28 GHz with a 3-dB bandwidth of 4 GHz. Experimental results exhibit a 3-dB bandwidth of 3.5 GHz and a carrier-to-sideband ratio (CSR) of 40 dB under an incident electric field of 82 V/m at 29.5 GHz frequency.
在薄膜铌酸锂(TFLN)平台上,采用开槽贴片天线和嵌入式光波导,设计了一种集成的微波-光转换器。该转换器设计工作在28ghz的中心频率,3db带宽为4ghz。实验结果表明,在29.5 GHz频率下,在82 V/m的入射电场下,3db带宽为3.5 GHz,载波边带比(CSR)为40 dB。
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引用次数: 1
Real-time RF Sensor Monitoring Based on Optical Injected Semiconductor Laser and Temporal Measurement 基于光注入半导体激光器和时间测量的射频传感器实时监测
Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997768
Shuo Li, A. Zhang, H. Pan, Radu-Florin Stancu, Zhongwei Tan, Chao Wang
Ultrafast and real-time RF sensor monitoring is in true demand for dynamic and transient sensing scenarios. In this paper, a high resolution and real-time RF sensor interrogation system based on an optically injected semiconductor laser and temporal measurement is proposed. Eliminating the need for RF spectrum measurement, the frequency of the RF sensor can be determined from temporal measurements featuring high speed and high resolution. In addition, no temporal reference signal is required and RF sensor interrogation is achieved by direct measurement of time interval of a pair of electrical pulses. Real-time monitoring of a RF temperature sensing is experimentally demonstrated and our results show that the proposed system offers a measurement bandwidth of 6 GHz, and an interrogation speed of 1 MHz. Only a very low temporal sampling rate of 60 MS/s is required.
超快速和实时的射频传感器监测是动态和瞬态传感场景的真正需求。本文提出了一种基于光注入半导体激光器和时间测量的高分辨率实时射频传感器询问系统。消除了对射频频谱测量的需要,射频传感器的频率可以通过具有高速和高分辨率的时间测量来确定。此外,不需要时间参考信号,通过直接测量一对电脉冲的时间间隔来实现射频传感器的询问。实验证明了射频温度传感的实时监测,结果表明,该系统提供了6 GHz的测量带宽和1 MHz的查询速度。只需要非常低的60 MS/s的时间采样率。
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引用次数: 0
WDM Low-Cost and Accurate Delay Monitoring for Delay Calibration of Large Antenna Arrays 大型天线阵列时延校准的WDM低成本精确时延监测
Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997751
J. Nanni, Enrico Lenzi, Federica Caputo, J. Monari, F. Perini, G. Tartarini
Within important applicative scenarios (e.g. metrology, basic physics, radioastronomy) the optical fiber is utilized as a transmitting medium and is at the same time required to distribute and/or transmit signals with an almost constant value of the phase shift (or delay) induced in each one of them.In presence of variations of external environmental agents which can change in real time the electromagnetic properties of the fiber optic cable, it is necessary to perform a continuous monitoring of the fiber-induced delay in order to eventually adopt appropriate countermeasures.This paper proposes an innovative, accurate and low-cost technique based on a microwave interferometer-over-fiber which allows to monitor in real time the mentioned delay, without increasing the complexity of the global system, nor reducing the level of its original performance.
在重要的应用场景中(例如,计量学、基础物理、射电天文学),光纤被用作传输介质,同时需要分配和/或传输具有几乎恒定的相移(或延迟)值的信号。由于外部环境因素的变化可以实时改变光纤电缆的电磁特性,因此有必要对光纤引起的延迟进行连续监测,以便最终采取适当的对策。本文提出了一种创新的、精确的、低成本的基于光纤微波干涉仪的技术,该技术可以在不增加全局系统复杂性的情况下实时监测上述延迟,也不会降低其原有性能水平。
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引用次数: 0
Multi-Static Multi-Band Synthetic Aperture Radar (SAR) Constellation Based on Photonic Processing 基于光子处理的多静态多波段合成孔径雷达星座
Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997654
M. Reza, S. Maresca, F. Scotti, G. Pandey, Muhammad Imran, G. Serafino, M. Amir, Federico Camponeschi, P. Ghelfi, A. Bogoni, M. Scaffardi
Multi-static SARs from low earth orbits (LEO) allow single-pass high-resolution imaging and detection of moving targets. A coherent MIMO approach requires the generation of multi-band orthogonal signals, the fusion of which increases the system resolution. Up to now the synchronization capability of SAR signals of different satellites is critical. Here we propose the use of photonics to generate, receive and distribute the radar signals in a coherent multi-static SAR constellation. Photonics overcomes issues in implementation of MIMO SAR, allowing for flexible multi-band signals generation and centralized generation in a primary satellite with coherent distribution to all the secondary satellites of the SAR signals through FSO links. The numerical analysis shows the proposed system has noise equivalent sigma zero (NESZ) <−31.6 dB, satisfying the SAR system requirements. An experimental proof of concept based on commercial bulk devices, for both radar signal up and down conversion is implemented, demonstrating the system functionality.
来自低地球轨道(LEO)的多静态sar允许单次高分辨率成像和检测移动目标。相干MIMO方法需要产生多波段正交信号,这些正交信号的融合提高了系统的分辨率。目前,不同卫星SAR信号的同步能力至关重要。本文提出利用光子学技术在相干多静态SAR星座中产生、接收和分配雷达信号。光子学克服了MIMO SAR实施中的问题,允许灵活的多波段信号生成和集中生成,并通过FSO链路将SAR信号相干分布到所有辅助卫星。数值分析表明,该系统噪声等效σ零(NESZ) < - 31.6 dB,满足SAR系统要求。基于商用批量设备的概念验证实验,实现了雷达信号的上下转换,展示了系统的功能。
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引用次数: 0
Chip-scale Optical Frequency Combs Techniques & Applications 芯片级光频梳技术与应用
Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997600
P. Delfyett, L. Trask, C. Shirpurkar, Ricardo Bustos-Ramirez
This paper reviews three generic classes of chip scale based optical frequency comb sources. Each of the comb sources possess unique temporal and spectral output operating characteristics that suggest that each comb source technology needs to be carefully considered for specific applications.
本文综述了三种基于芯片尺度的光学频率梳源。每个梳状源都具有独特的时间和光谱输出工作特性,这表明每种梳状源技术都需要仔细考虑特定的应用。
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引用次数: 0
Phase-stable broadband remote receiving system based on a dithered sample clock 基于抖动采样时钟的稳相宽带远程接收系统
Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997666
Kai-Tuo Wang, Wei Wei, Pengyu Wang, Cheng Ma, Weilin Xie, Yi Dong
We present a phase-stable receiving system for signals transmitted via a 25 km fiber optic link. The timing jitter of the signal induced by the transmission link is precisely eliminated after the signal is digitized with a dithered sample clock. The dithered clock is generated from the phase of a voltage-controlled oscillator, introducing the same transmission timing jitter of the link. Therefore, it can withstand an unlimited range of transmission delay variations without using any optical or electrical delay lines. Experimentally, a binary phase-shift keying signal is transmitted and received by the proposed system. The calculated timing jitter of the received signal with a bandwidth of 400 MHz is decreased from 650 ps to merely 1.6 ps. The simple remote end and immunity to environmental perturbations of the proposed scheme make it an ideal candidate for a large-scale distributed antenna system.
我们提出了一种相位稳定的信号接收系统,该系统通过25km光纤链路传输。采用抖动采样时钟对信号进行数字化处理后,可以精确地消除传输链路引起的信号时序抖动。抖动时钟由压控振荡器的相位产生,在链路中引入相同的传输时序抖动。因此,它可以承受无限范围的传输延迟变化,而不使用任何光或电延迟线。实验结果表明,该系统收发了二相移键控信号。接收到的带宽为400 MHz的信号的计算时序抖动从650 ps降至仅1.6 ps。该方案具有远端简单、抗环境扰动等优点,是大规模分布式天线系统的理想选择。
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引用次数: 1
Stable 10 GHz microwave synthesis via partial optical frequency division 通过部分光分频稳定的10ghz微波合成
Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997783
William A. Groman, I. Kudelin, Megan L. Kelleher, Dahyeon Lee, A. Lind, Charlie McLemore, F. Quinlan, S. Diddams
Synthesis of low-noise microwaves is desirable in a wide variety of scientific and engineering fields. Optical frequency division with frequency combs has been a key part in the realization of ultrastable microwave signals. However, fully self-referenced frequency combs are complex and involve several nonlinear processes for implementation of the f-2f interferometer. In this paper, we provide a novel approach for generation of ultrastable microwaves by stabilizing the comb spacing, while the offset frequency of the comb is free-running. This is achieved by mixing the beats of a frequency comb with two continuous wave (cw) lasers separated by 1.3 THz, which are PDH locked to a single reference cavity. We demonstrate the generation of stable 10 GHz microwaves with −140 dBc/Hz phase noise at 10 kHz Fourier frequency and 5·10−13 level Allan deviation instability at 0.3 s. This work projects the potential of future compact microwave generation with low power consumption.
低噪声微波的合成在许多科学和工程领域都是需要的。利用频梳进行光分频是实现超稳定微波信号的关键环节。然而,完全自参考频率梳是复杂的,涉及到几个非线性过程的实现f-2f干涉仪。在本文中,我们提供了一种新的方法来产生超稳定的微波,通过稳定梳间距,而梳的偏移频率是自由运行的。这是通过将频率梳的节拍与两个相距1.3太赫兹的连续波(cw)激光器混合来实现的,这两个激光器被PDH锁定在单个参考腔中。我们演示了在10 kHz傅立叶频率下产生稳定的10 GHz微波,相位噪声为- 140 dBc/Hz, 0.3 s时具有5·10−13级Allan偏差不稳定性。这项工作预测了未来低功耗紧凑型微波发电的潜力。
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引用次数: 0
Crosstalk-Based Remote Monitoring Technique for Power over Fiber Signals in Spatial Division Multiplexing Links 基于串扰的空分复用链路光纤供电信号远程监控技术
Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997712
R. Altuna, J. D. López-Cardona, C. Vázquez
Power over Fiber (PoF) needs safety and resilience operation of the infrastructure. In this paper, we propose a new crosstalk-based remote monitoring technique of PoF signals in Spatial Division Multiplexing (SDM) optical networks with no consumption at the remote radio head (RRH). We monitor an 800 mW PoF delivery in a 250 m 7-core MCF co-propagating with a 5G-NR 256 QAM signal with EVM under 3.5% and a control channel. The PoF energy feeds a control board to reduce power consumption at RRH.
光纤供电(PoF)需要基础设施的安全性和弹性运行。在本文中,我们提出了一种新的基于串扰的空分复用(SDM)光网络中无远端无线电头(RRH)消耗的PoF信号远程监控技术。我们在250 m 7核MCF中监测800 mW PoF传输,与5G-NR 256 QAM信号共传播,EVM低于3.5%,并有一个控制通道。PoF能量供给控制板以降低RRH时的功耗。
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引用次数: 1
Quantum Enabled Radar Sensing 量子雷达传感
Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997763
Jonathan M. Jones, D. Griffiths, J. Kannanthara, M. Jahangir, M. Antoniou, Chris Baker, K. Bongs, Y. Singh
We present a quantum enabled networked radar system that incorporates an optical atomic clock to provide the radar systems with both an ultra-low noise oscillator and time synchronization. Characterization of the photonic microwave generator against traditional oscillators currently used in the radar systems is presented. Near-future developments of the radar network are discussed.
我们提出了一种量子网络雷达系统,该系统包含一个光学原子钟,为雷达系统提供超低噪声振荡器和时间同步。介绍了光子微波发生器相对于雷达系统中使用的传统振荡器的特性。讨论了雷达网的近期发展。
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引用次数: 0
Spatial Light Modulator Design Optimization for All-Optical Analog-to-Digital Convertors (AOADC) of 40GS/s with 9.4 ENOB 40GS/s 9.4 ENOB全光模数转换器(AOADC)空间光调制器设计优化
Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997657
Joseph Fasbinder, Kai Wei, A. Daryoush
Optimum design of lateral coupled micro-strip (CMS) driving electrodes of electro-optic (E-O) polymer based optical modulators are discussed, where improved modulation sensitivity is achieved using 1D photonic crystal (PhC). The 1D PhC structure consists of alternating sub-micrometer layers of PMMI and Air materials, while the of JRD-1 with PMMI as host material are considered for realizations of efficient spatial light modulator (SLM) and phase modulator (PM) that are compatible with Si-Photonics. A broader bandwidth and flat group delay are predicted for PM using proper design of CMS electrodes. CMS electrode designs of PM are optimized using linearly down-tapered electrical and dielectric gaps by comparing performance in terms of RF insertion loss, RF group delay, RF pulse dispersion, and optical loss in optical waveguide. Spatial light modulator (SLM) electrode design duplicates PM design though a higher index of refraction superstrate assures leaky wave that deflects light for AOADC at 40GS/s with 9.4 effective number of bits (ENOB).
讨论了电光(E-O)聚合物基光调制器的横向耦合微带(CMS)驱动电极的优化设计,其中使用一维光子晶体(PhC)提高了调制灵敏度。一维PhC结构由PMMI和Air材料的亚微米交替层组成,而JRD-1以PMMI为主体材料,考虑实现与硅光子兼容的高效空间光调制器(SLM)和相位调制器(PM)。通过合理设计CMS电极,预测可获得更宽的带宽和平坦的群延迟。通过比较射频插入损耗、射频群延迟、射频脉冲色散和光波导损耗等性能,利用线性下降的电隙和介电隙对PM的CMS电极设计进行了优化。空间光调制器(SLM)电极设计复制了PM设计,但具有更高的折射率,保证了AOADC在40GS/s和9.4有效比特数(ENOB)下的漏波偏转光。
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引用次数: 0
期刊
2022 IEEE International Topical Meeting on Microwave Photonics (MWP)
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