Spectrally Pure W-Band RF Carrier Generation With Packaged Silicon Photonics Circuit

IF 2.2 3区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Journal of Quantum Electronics Pub Date : 2024-03-21 DOI:10.1109/JQE.2024.3380552

Claudio Porzi;Marco Chiesa;Alessandra Bigongiari;Aina Serrano Rodrigo;Marc Sorel;Davide Rotta;Luca Roselli;Antonio D’Errico;Antonella Bogoni;Antonio Malacarne

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Abstract

A packaged silicon photonics radio-frequency (RF) synthesizer operating in the millimeter (mm-) wave band suitable for clock signal distribution in b5G/6G radio access networks is realized and experimentally characterized. The assembly include a photonic integrated circuit (PIC) acting as a frequency multiplier for a local oscillator (LO) reference at microwave frequencies and a printed circuit board (PCB) hosting a custom bias tee designed to provide a wideband matching condition over more than 6 GHz around 20GHz for the input LO signal and supporting high power levels for efficient frequency multiplication operation. Measurements performed on a 100GHz generated RF signal via five-fold multiplication of a LO wave at 20 GHz indicate a low phase noise level of -97dBc/Hz at an offset of 10kHz from the carrier with a limited excess timing jitter of less than 2fs with respect to the LO signal, making the circuit operating nearly as an ideal frequency multiplier.

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利用封装硅光子电路生成光谱纯净的 W 波段射频载波

实现了一种适用于b5G/6G无线接入网时钟信号分配的毫米波（mm-）频段封装硅光子射频合成器，并进行了实验表征。该组件包括一个光子集成电路（PIC），作为微波频率下本地振荡器（LO）参考的倍频器，以及一个印刷电路板（PCB），承载一个定制的偏置三通，旨在为输入LO信号提供超过6 GHz左右的20GHz宽带匹配条件，并支持高功率水平，以实现高效的倍频操作。通过将20 GHz的LO波乘以5倍，对100GHz产生的RF信号进行测量，结果表明，在与载波偏移10kHz处，低相位噪声水平为-97dBc/Hz，相对于LO信号，有限的过量时序抖动小于2fs，使电路几乎作为理想的倍频器工作。

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来源期刊

IEEE Journal of Quantum Electronics 工程技术-工程：电子与电气

CiteScore

4.70

自引率

4.00%

发文量

审稿时长

3.0 months

期刊介绍： The IEEE Journal of Quantum Electronics is dedicated to the publication of manuscripts reporting novel experimental or theoretical results in the broad field of the science and technology of quantum electronics. The Journal comprises original contributions, both regular papers and letters, describing significant advances in the understanding of quantum electronics phenomena or the demonstration of new devices, systems, or applications. Manuscripts reporting new developments in systems and applications must emphasize quantum electronics principles or devices. The scope of JQE encompasses the generation, propagation, detection, and application of coherent electromagnetic radiation having wavelengths below one millimeter (i.e., in the submillimeter, infrared, visible, ultraviolet, etc., regions). Whether the focus of a manuscript is a quantum-electronic device or phenomenon, the critical factor in the editorial review of a manuscript is the potential impact of the results presented on continuing research in the field or on advancing the technological base of quantum electronics.