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A universal, repeatable, and controllable integration of single-mode optical fiber and mixed-phase TiO2 is used to manufacture a compact fiber-integrated scattering device. Based on the device, we achieve a high-performance… Click to show full abstract
A universal, repeatable, and controllable integration of single-mode optical fiber and mixed-phase TiO2 is used to manufacture a compact fiber-integrated scattering device. Based on the device, we achieve a high-performance and compact fiber-based speckle spectrometer, which has a resolution of 20 pm over a bandwidth of 15 nm, in the 1550 nm range. We test the capability of our proposed spectrometer to reconstruct narrow linewidth and broadband optical spectrums, and compare the performance with that of a traditional optical spectrum analyzer.
Journal Title: Optics letters
Year Published: 2022
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