arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2511.04444physics.optics
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基于布里渊集成电路的紧凑型高分辨率光谱仪

Compact and high-resolution spectrometer via Brillouin integrated circuits

Jia-Qi Wang, Yuan-Hao Yang, Zheng-Xu Zhu, Juan-Juan Lu, Ming Li, Xiaoxuan Pan, Chuanlong Ma, Lintao Xiao, Bo Zhang, Weiting Wang, Chun-Hua Dong, Xin-Biao Xu, Gu… 展开作者

Jia-Qi Wang, Yuan-Hao Yang, Zheng-Xu Zhu, Juan-Juan Lu, Ming Li, Xiaoxuan Pan, Chuanlong Ma, Lintao Xiao, Bo Zhang, Weiting Wang, Chun-Hua Dong, Xin-Biao Xu, Guang-Can Guo, Luyan Sun, Chang-Ling Zou

AI总结:

本文提出一种基于混合光子-声子芯片中受激布里渊散射的芯片集成光谱仪,利用动态反射光栅在1毫米直波导上实现110纳米带宽内0.56纳米分辨率,验证了高效可重构光谱分析的潜力。

摘要:

光谱仪是从化学与生物传感到天文观测和量子技术等各个领域中不可或缺的工具。然而,将光谱仪集成到光子芯片上一直受到低光谱分辨率或具有复杂多通道操作的大器件尺寸的限制。在此,我们通过在混合光子-声子芯片中利用声学受激布里渊散射,提出了一种新型芯片集成光谱仪。布里渊相互作用提供了一种动态反射光栅,其反射率高达50%,开关时间在微秒量级,仅使用一段1毫米长的直波导就在110纳米带宽上实现了前所未有的0.56纳米光谱分辨率。这一卓越性能接近给定器件尺寸下的分辨率基本极限,验证了混合光子-声子器件在高效、动态可重构光谱分析方面的潜力,从而为先进光信号处理和传感应用开辟了新途径。

英文摘要:

Optical spectrometers are indispensable tools across various fields, from chemical and biological sensing to astronomical observations and quantum technologies. However, the integration of spectrometers onto photonic chips has been hindered by the low spectral resolution or large device footprint with complex multiple channel operations. Here, we introduce a novel chip-integrated spectrometer by leveraging the acoustically-stimulated Brillouin scattering in a hybrid photonic-phononic chip. The Brillouin interaction provides a dynamic reflection grating with a high reflectivity up to 50% and a fast switching time on the microsecond scale, achieving an unprecedented spectral resolution of 0.56 nm over a 110 nm bandwidth using just a single 1 mm-long straight waveguide. This remarkable performance approaches the fundamental limit of resolution for a given device size, validating the potential of the hybrid photonic-phononic device for efficient and dynamically-reconfigurable spectral analysis, and thus opens up new avenues for advanced optical signal processing and sensing applications.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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