Optimized magneto-optical isolator design based on cerium-substituted yttrium iron garnet fiber

Saker, Khadidja; Lahoubi, Mahieddine; Pu, Shengli

doi:10.1007/s11082-021-02974-0

Cited by 4 publications

(2 citation statements)

References 34 publications

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“…The tunable FMF devices has an important application prospect in optical fiber sensors and intelligent optical networks. For example, by use of magnetooptical (MO) effects, magnetic field sensors [11] and allfiber current sensors [12] can be made, and the resulting isolators [13], modulators [14], switches [15], filters [16], and phase shifters [17] are also of magnetic tunability. These MO devices are usually designed for SMF systems.…”

Section: Introductionmentioning

confidence: 99%

“…In bulky MO material, the linearly polarized (LP) light propagating in the magnetization direction can be regarded as the synthesis of two right-and left-handed circularly polarized (CP) beams with different propagation constants [18]. MO material may also be pulled to an MO fiber with magnetic tunability [19]. According to different MO materials, MO fibers are mainly divided into three types as follows: (1) MO glass fibers made by the rod-in-tube technique [20]; (2) MO crystal fibers made by the laser heated pedestal growth technique [21]; (3) magnetic fluid core fibers made by filling the hollow core fiber with magnetic fluid [22].…”

Section: Introductionmentioning

confidence: 99%

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Analysis of guided optical eigenmodes in magneto-optical fibers with applications to OAM mode selective couplers

Chen,

Wu,

Jiang

et al. 2023

J. Phys. D: Appl. Phys.

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Mode division multiplexing (MDM) technology can regard each eigenmode in optical fibers as an independent channel to carry different data information, helpful for improving the transmission capacity of optical fiber communication systems. The spatial distribution, state of polarization and propagation constant of guided optical eigenmodes in the magneto-optical (MO) fiber are derived theoretically by the analysis of linear polarization (LP) and exact modes. The transverse distribution of the eigenmodes in the MO fiber can be constructed by those of exact modes in the conventional fiber. The effect of applied magnetic field on the eigenmodes and their effective refractive indices is studied. Simulation results show that, the eigenmodes in the MO fiber may be represented by the pseudo-modes of circular polarization (CPlnR/L) or the true modes of orbital angular momentum (OAM±l,nR/L) when applied magnetic field is sufficiently large. The measurement method for weak magnetic field based on Stokes parameters is proposed. The magnetic tunability of OAM mode selective couplers (MSCs) is also analyzed.

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