Wide Temperature Range Stable OEO Enabled by Infinite Tuning Range Microwave Phase Shifter With an Allan Deviation of 6 × 10−15 at 10 s

IF 5.2 1区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Microwave Theory and Techniques Pub Date : 2026-10-01 Epub Date: 2026-09-01 DOI:10.1109/TMTT.2026.3727203

Ziye Wang;Peng Zhang;Ping Zeng;Chun Yang;Weijie Xu;Weiqian Zhao;Yuan Wang

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引用次数: 0

Abstract

This article presents a highly stable injection-locked digital-phase-locked-loop optoelectronic oscillator (IL-DPLL OEO) employing an infinite-tuning-range microwave phase shifter for phase stabilization. The proposed phase shifter compensates delay variations inside the resonance loop, enabling stable operation over a wide temperature range without any thermal control. An FPGA-based digital feedback loop integrating phase detection and control is implemented to stabilize the oscillation phase. Experimental results demonstrate that, after locking to an external reference (REF), the generated microwave signal at 10 GHz achieves an Allan deviation of

$4.1 \times 10^{-14}$

at 1 s and

$6.06 \times 10^{-15}$

at 10 s. Stable operation is verified over a

$20~^{\circ }$

C temperature variation without loss of lock. The results confirm the effectiveness of the proposed stabilization scheme for high-stability optoelectronic oscillators (OEOs) operating under wide temperature variations.

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无限调谐范围微波移相器实现宽温度范围稳定OEO， 10s艾伦偏差为6 × 10−15

本文提出了一种高稳定的注入锁相数字锁相环光电振荡器（IL-DPLL OEO），采用无限调谐范围微波移相器进行相位稳定。所提出的移相器补偿谐振回路内的延迟变化，使其能够在宽温度范围内稳定运行，而无需任何热控制。为了稳定振荡相位，设计了基于fpga的相位检测与控制相结合的数字反馈环路。实验结果表明，在锁定到外部参考（REF）后，产生的10 GHz微波信号在1 s时的艾伦偏差为$4.1 \乘以10^{-14}$，在10 s时的艾伦偏差为$6.06 \乘以10^{-15}$。在$20~^{\circ}$ C的温度变化范围内验证了稳定的操作，而不会丢失锁。结果证实了所提出的稳定方案在宽温度变化下工作的高稳定光电振荡器（OEOs）的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Transactions on Microwave Theory and Techniques 工程技术-工程：电子与电气

CiteScore

8.60

自引率

18.60%

发文量

486

审稿时长

6 months

期刊介绍： The IEEE Transactions on Microwave Theory and Techniques focuses on that part of engineering and theory associated with microwave/millimeter-wave components, devices, circuits, and systems involving the generation, modulation, demodulation, control, transmission, and detection of microwave signals. This includes scientific, technical, and industrial, activities. Microwave theory and techniques relates to electromagnetic waves usually in the frequency region between a few MHz and a THz; other spectral regions and wave types are included within the scope of the Society whenever basic microwave theory and techniques can yield useful results. Generally, this occurs in the theory of wave propagation in structures with dimensions comparable to a wavelength, and in the related techniques for analysis and design.