High Refractive Index Sensor for Tellurite Photonic Crystal Fiber Based on Soliton Self-Frequency Shift

IF 2.1 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Photonics Journal Pub Date : 2024-08-07 DOI:10.1109/JPHOT.2024.3439886

Di Wu;Jing Zhang

引用次数: 0

Abstract

In this paper, a novel refractive index (RI) sensor based on the soliton self-frequency shift (SSFS) in tellurite photonic crystal fiber (TPCF) is proposed. RI sensing in the mid-infrared region is achieved by detecting the wavelength shift of the soliton. By exploiting the high RI property of the tellurite fiber, it is possible to measure surrogate liquids with higher RIs compared to conventional silica fibers. The sensitivity of the proposed sensor can reach up to 3657.5 nm/RIU when a fiber laser with a pulse width of 100 fs and pump wavelength ( λ_P ) of 2600 nm is used as the light source and a 1 m-long TPCF is utilized as the nonlinear medium. To the best of our knowledge, this is the first time that high RI sensing in the mid infrared region has been achieved by exploiting the SSFS effect in non-silica fibers such as TPCF.

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基于孤子自频移的碲晶光子晶体光纤高折射率传感器

本文提出了一种基于碲镉汞光子晶体光纤（TPCF）中孤子自频移（SSFS）的新型折射率（RI）传感器。中红外区域的折射率传感是通过检测孤子的波长偏移实现的。通过利用碲化镉光纤的高 RI 特性，可以测量与传统硅光纤相比 RI 更高的代用液体。当使用脉冲宽度为 100 fs、泵浦波长 (λP) 为 2600 nm 的光纤激光器作为光源，并使用 1 m 长的 TPCF 作为非线性介质时，所提出传感器的灵敏度可达 3657.5 nm/RIU。据我们所知，这是首次在 TPCF 等非硅光纤中利用 SSFS 效应实现中红外区域的高 RI 传感。

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 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.