Silicon computational spectrometer with 32-channel meta-structures.

IF 3.3 2区 物理与天体物理 Q2 OPTICS Optics letters Pub Date : 2025-02-01 DOI:10.1364/OL.550738
Zeruihong She, Tianyue Zhang, Kai Wang, Hongren Tan, Lei Zhang
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引用次数: 0

Abstract

We present a compact silicon-on-insulator computational spectrometer utilizing a 32-channel meta-structure array. By exploiting the high design flexibility of meta-structures, each channel is engineered to possess a distinct transmission spectrum, facilitating high-resolution spectral reconstruction. The meta-structures, with a minimum feature size of 70 nm, occupy a footprint of 1.15 µm × 24.5 µm per channel. Experimental results corroborate the device's performance, demonstrating a spectral resolution of 50 pm in the C-band.

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32通道元结构硅计算光谱仪。
我们提出了一种使用32通道元结构阵列的紧凑型绝缘体上硅计算光谱仪。通过利用元结构的高设计灵活性,每个通道都被设计成具有不同的透射光谱,从而促进高分辨率的光谱重建。这些元结构的最小特征尺寸为70 nm,每个通道的占地面积为1.15 μ m × 24.5 μ m。实验结果证实了该装置的性能,在c波段显示了50 pm的光谱分辨率。
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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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