High-resolution silicon photonic sensor based on a narrowband microwave photonic filter.

IF 4.1 3区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Frontiers of Optoelectronics Pub Date : 2023-03-27 DOI:10.1007/s12200-023-00059-2
Haiyan Luo, Lu Xu, Jie Yan, Qiansheng Wang, Wenwu Wang, Xi Xiao
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Abstract

Microwave photonic sensors are promising for improving sensing resolution and speed of optical sensors. In this paper, a high-sensitivity, high-resolution temperature sensor based on microwave photonic filter (MPF) is proposed and demonstrated. A micro-ring resonator (MRR) based on silicon-on-insulator is used as the sensing probe to convert the wavelength shift caused by temperature change to microwave frequency variation via the MPF system. By analyzing the frequency shift with high-speed and high-resolution monitors, the temperature change can be detected. The MRR is designed with multi-mode ridge waveguides to reduce propagation loss and achieves an ultra-high Q factor of 1.01 × 106. The proposed MPF has a single passband with a narrow bandwidth of 192 MHz. With clear peak-frequency shift, the sensitivity of the MPF-based temperature sensor is measured to be 10.22 GHz/°C. Due to higher sensitivity and ultra-narrow bandwidth of the MPF, the sensing resolution of the proposed temperature sensor is as high as 0.019 °C.

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基于窄带微波光子滤波器的高分辨率硅光子传感器。
微波光子传感器在提高光学传感器的传感分辨率和速度方面具有广阔的应用前景。本文提出并演示了一种基于微波光子滤波器的高灵敏度、高分辨率温度传感器。采用基于绝缘体上硅的微环谐振器(MRR)作为传感探头,通过MPF系统将温度变化引起的波长位移转换为微波频率变化。利用高速、高分辨率的监测器对频移进行分析,可以检测到温度的变化。MRR采用多模脊波导设计,降低了传输损耗,并实现了1.01 × 106的超高Q因子。建议的强积金只有一个192兆赫的窄带。基于mpf的温度传感器具有明显的峰值频移,测量灵敏度为10.22 GHz/°C。由于MPF具有更高的灵敏度和超窄的带宽,所提出的温度传感器的传感分辨率高达0.019°C。
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来源期刊
Frontiers of Optoelectronics
Frontiers of Optoelectronics ENGINEERING, ELECTRICAL & ELECTRONIC-
CiteScore
7.80
自引率
0.00%
发文量
583
期刊介绍: Frontiers of Optoelectronics seeks to provide a multidisciplinary forum for a broad mix of peer-reviewed academic papers in order to promote rapid communication and exchange between researchers in China and abroad. It introduces and reflects significant achievements being made in the field of photonics or optoelectronics. The topics include, but are not limited to, semiconductor optoelectronics, nano-photonics, information photonics, energy photonics, ultrafast photonics, biomedical photonics, nonlinear photonics, fiber optics, laser and terahertz technology and intelligent photonics. The journal publishes reviews, research articles, letters, comments, special issues and so on. Frontiers of Optoelectronics especially encourages papers from new emerging and multidisciplinary areas, papers reflecting the international trends of research and development, and on special topics reporting progress made in the field of optoelectronics. All published papers will reflect the original thoughts of researchers and practitioners on basic theories, design and new technology in optoelectronics. Frontiers of Optoelectronics is strictly peer-reviewed and only accepts original submissions in English. It is a fully OA journal and the APCs are covered by Higher Education Press and Huazhong University of Science and Technology. ● Presents the latest developments in optoelectronics and optics ● Emphasizes the latest developments of new optoelectronic materials, devices, systems and applications ● Covers industrial photonics, information photonics, biomedical photonics, energy photonics, laser and terahertz technology, and more
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