Femtosecond laser direct writing tilted fiber Bragg gratings in multicore fiber.

IF 3.1 2区 物理与天体物理 Q2 OPTICS
Optics letters Pub Date : 2024-12-15 DOI:10.1364/OL.541534
Xingyong Li, Jiaojiao Wang, Fengyi Chen, Xueguang Qiao
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引用次数: 0

Abstract

In this Letter, we propose a new method utilizing femtosecond laser direct writing technology to rapidly inscribe high-quality tilted fiber Bragg gratings (TFBGs) in multicore fibers (MCFs). A series of TFBGs with varying tilt angles were directly inscribed in MCFs using the Plane-by-Plane (Pl-by-Pl) method, and the writing time for a 4 mm long TFBG was only 3.60 s. The TFBGs couple the transmitted light from the cores of the MCF into the cladding, thereby increasing the cross talk between adjacent cores. By monitoring the wavelength and intensity changes of the core modes coupled back to the central core from the TFBGs inscribed in the edge cores, two-dimensional (2D) vector bending measurements were achieved.

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来源期刊
Optics letters
Optics letters 物理-光学
CiteScore
6.60
自引率
8.30%
发文量
2275
审稿时长
1.7 months
期刊介绍: The Optical Society (OSA) publishes high-quality, peer-reviewed articles in its portfolio of journals, which serve the full breadth of the optics and photonics community. Optics Letters offers rapid dissemination of new results in all areas of optics with short, original, peer-reviewed communications. Optics Letters covers the latest research in optical science, including optical measurements, optical components and devices, atmospheric optics, biomedical optics, Fourier optics, integrated optics, optical processing, optoelectronics, lasers, nonlinear optics, optical storage and holography, optical coherence, polarization, quantum electronics, ultrafast optical phenomena, photonic crystals, and fiber optics. Criteria used in determining acceptability of contributions include newsworthiness to a substantial part of the optics community and the effect of rapid publication on the research of others. This journal, published twice each month, is where readers look for the latest discoveries in optics.
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