Measurement of the Verdet Constant of Polarization-Maintaining Air-Core Photonic Bandgap Fiber

Song, Ningfang; Wang, Xiaoyang; Xu, Xiaojun; Cai, Wei; Wu, Chongqing

doi:10.3390/s17081899

Cited by 12 publications

(3 citation statements)

References 15 publications

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“…This kind of optical fiber has many unique advantages, such as insensitivity to environmental factors such as temperature, electromagnetic field, space radiation, etc., the temperature sensitivity is 3 times lower than that of polarization maintaining fiber, and the stress birefringence is two orders of magnitude lower [16]. The transmission of light waves in hollow photonic crystal fibers is equivalent to transmission in a vacuum [17], etc. The existing product-grade photonic crystal fiber has two kinds of solid core and air core.…”

Section: B Polarization Maintaining Fiber Transmissionmentioning

confidence: 99%

Three-non Quantum Communication

2023

Preprint

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In the 40 years since the BB84 protocol was proposed, the practical progress of quantum communication has been relatively slow, because many key technologies have not yet made breakthroughs. This paper proposes a model that can be supported by existing technologies, that is, three-non quantum communication which has no quantum key distribution, no teleportation, and no information transmission. Its working principle is that Alice uses fiber channel or free space to send polarized entangled photon streams to Bob and has the controllable decoherence of entangled photons with the industrial-grade optoelectronic devices, and her control role is equivalent to information coding to realize communication functions. It also has other characteristics such as no requirement for code rate, single-photon detection, quantum base operations and classical channel, etc. It has a low requirement for light sources and transmission channels and is easy to implement.

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Section: B Polarization Maintaining Fiber Transmissionmentioning

confidence: 99%

Three-non Quantum Communication

2023

Preprint

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“…However, the magnetic shielding cannot completely isolate the magnetic field, and the Faraday effect-induced bias error still exists in the IFOG. At present, the study of Faraday phase shift is based on two-dimensional model with a singledirection magnetic field in IFOG [22], [23], [24], [25]. Actually, the IFOG is subjected to the radial magnetic field and the axial magnetic field simultaneously, so the single magnetic field cannot accurately calculate the Faraday effect-induced bias error under actual conditions.…”

Section: Introductionmentioning

confidence: 99%

Research on Three-Dimensional Magnetic Induced Error Model of Interferometric Fiber Optic Gyro

Wang

Gao

et al. 2020

IEEE Photonics J.

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In practical, the Faraday effect-induced bias error is one of the main sources of bias error for the interferometric fiber optic gyroscope (IFOG). The Faraday effect-induced bias error impairs in the performance of IFOG. Normally, the Faraday effect-induced bias errors is hardly eliminated. To improve the performance of IFOG, the accurate model of Faraday effect-induced bias errors is necessary for its practical applications. In this paper, from the perspective of the finite element method, we calculate Faraday effect-induced bias errors of the fiber coil by the three-dimensional model in the radial magnetic field and the axial magnetic field. Comparing with the traditional model, the differences mainly come from the size and direction of the magnetic field, including the differences of the twist ratio and the bending rate of each layer. Using the Jones matrix, we derive the three-dimensional magnetic field error model, further more theoretical results are obtained by simulation. The experiment with a 1024 m PM fiber coil are performed, and the experimental results support these theoretical predictions.

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“…The state-of-the-art technology is to use multiple layers of magnetic shield structure with the cost of increasing both weight and size of the IFOG. The second method is to replace the solid-core, index-guided fiber by the air-core photonic bandgap fiber (PBF) [ 21 , 22 ]. Because most of the fundamental mode is confined in air, the PBF has a much lower Verdet constant than silica.…”

Section: Introductionmentioning

confidence: 99%

Temperature Dependence of Faraday Effect-Induced Bias Error in a Fiber Optic Gyroscope

Liu²,

Guang³

et al. 2017

Sensors

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Improving the performance of interferometric fiber optic gyroscope (IFOG) in harsh environments, such as magnetic field and temperature field variation, is necessary for its practical applications. This paper presents an investigation of Faraday effect-induced bias error of IFOG under varying temperature. Jones matrix method is utilized to formulize the temperature dependence of Faraday effect-induced bias error. Theoretical results show that the Faraday effect-induced bias error changes with the temperature in the non-skeleton polarization maintaining (PM) fiber coil. This phenomenon is caused by the temperature dependence of linear birefringence and Verdet constant of PM fiber. Particularly, Faraday effect-induced bias errors of two polarizations always have opposite signs that can be compensated optically regardless of the changes of the temperature. Two experiments with a 1000 m non-skeleton PM fiber coil are performed, and the experimental results support these theoretical predictions. This study is promising for improving the bias stability of IFOG.

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Measurement of the Verdet Constant of Polarization-Maintaining Air-Core Photonic Bandgap Fiber

Cited by 12 publications

References 15 publications

Three-non Quantum Communication

Three-non Quantum Communication

Research on Three-Dimensional Magnetic Induced Error Model of Interferometric Fiber Optic Gyro

Temperature Dependence of Faraday Effect-Induced Bias Error in a Fiber Optic Gyroscope

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