Mach-Zehnder - Sagnac混合光纤干涉仪相位解调算法中的噪声传递建模

IF 2.4 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Photonics Journal Pub Date : 2025-09-08 DOI:10.1109/JPHOT.2025.3606953

Yang Yan;Chenyue He;Churui Li;Rui Jin;Yuzhe Sun;Chao Wang;Bo Jia

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引用次数: 0

摘要

Mach-Zehnder和Sagnac混合光纤干涉仪（MZSI）在许多领域都有广泛的应用，它可以通过适当的解调算法提取相位信号。然而，MZSI解调算法的性能评价主要基于经验实验。为了解决MZSI中选择最优解调算法的理论不足的问题，从频域和时域两个方面研究了差分交叉复用（DCM）和arctan （Atan）解调算法的噪声传递模型。提出了一种新的解析表达式来描述频域和时域的噪声传递。通过仿真和实验验证了DCM和Atan解调的理论噪声传递模型。通过噪声传递模型对DCM解调算法和Atan解调算法进行性能比较。为MZSI中DCM和Atan解调算法的选择提供了参考，有助于提高MZSI的解调性能。

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Modeling Noise Transfer in Phase Demodulation Algorithm for Mach-Zehnder and Sagnac Hybrid Fiber Optic Interferometer

The Mach-Zehnder and Sagnac hybrid fiber optic interferometer (MZSI) is widely applied in numerous fields and capable of retrieving phase signals with the application of the appropriate demodulation algorithm. However, the performances of demodulation algorithms in MZSI are mainly evaluated based on empirical experiments. To address the lack of theory for selecting the optimal demodulation algorithm in MZSI, the noise transfer models of the differential cross multiplexing (DCM) and Arctangent (Atan) demodulation algorithms are investigated in both frequency and time domains. A novel analytical expression is proposed to characterize the noise transfer in the frequency domain, which accords with that in the time domain. The theoretical noise transfer models of the DCM and Atan demodulation are verified by simulation and experiment. The performance comparison between the DCM and Atan demodulation algorithms are conducted through the noise transfer models. It provides a reference for the selection of DCM and Atan demodulation algorithms in MZSI, which contributes to enhancing the demodulation performance of MZSI.

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来源期刊

IEEE Photonics Journal ENGINEERING, ELECTRICAL & ELECTRONIC-OPTICS

CiteScore

4.50

自引率

8.30%

发文量

489

审稿时长

1.4 months

期刊介绍： Breakthroughs in the generation of light and in its control and utilization have given rise to the field of Photonics, a rapidly expanding area of science and technology with major technological and economic impact. Photonics integrates quantum electronics and optics to accelerate progress in the generation of novel photon sources and in their utilization in emerging applications at the micro and nano scales spanning from the far-infrared/THz to the x-ray region of the electromagnetic spectrum. IEEE Photonics Journal is an online-only journal dedicated to the rapid disclosure of top-quality peer-reviewed research at the forefront of all areas of photonics. Contributions addressing issues ranging from fundamental understanding to emerging technologies and applications are within the scope of the Journal. The Journal includes topics in: Photon sources from far infrared to X-rays, Photonics materials and engineered photonic structures, Integrated optics and optoelectronic, Ultrafast, attosecond, high field and short wavelength photonics, Biophotonics, including DNA photonics, Nanophotonics, Magnetophotonics, Fundamentals of light propagation and interaction; nonlinear effects, Optical data storage, Fiber optics and optical communications devices, systems, and technologies, Micro Opto Electro Mechanical Systems (MOEMS), Microwave photonics, Optical Sensors.