rus
Issue #2/2024
I. A. Kazakov, K. M. Malakhov, E. E. Kovalev, A. A. Mkrtchyan, M. S. Mishevskiy, V. V. Svetikov, A. V. Shipulin
Study of Operational Algorithm for Interrogator with Arrayed Waveguide Grating on a Photonic Integrated Circuit
Study of Operational Algorithm for Interrogator with Arrayed Waveguide Grating on a Photonic Integrated Circuit
DOI: 10.22184/1993-7296.FRos.2024.18.2.122.135
This paper presents analytical and experimental investigations of a fiber Bragg grating interrogator based on the arrayed waveguide grating made with a photonic integrated circuit technology. The key specifications of the interrogator are determined analytically based on the parameters of the arrayed waveguide grating used as a spectral demultiplexer and the photodetector’s operating error. In addition, the detection methods and algorithms for obtaining the reflectance spectrum maximum of fiber Bragg gratings are proposed and evaluated. Experimental measurements of the fiber Bragg grating central wavelength using the proposed algorithm are carried out, including calibration and measurement procedures using the data obtained under the influence of temperature and mechanical stress on the fiber Bragg grating. The system performance is experimentally confirmed with the accuracy of determination of a central wavelength of fiber Bragg grating reflection peak not less than 61 pm.
Tags: arrayed waveguide grating fiber bragg grating interrogator photonic integrated circuit волоконная брэгговская решетка дифракционная волноводная решетка интеррогатор фотонная интегральная схема
Subscribe to the journal Photonics Russia to read the full article.
This paper presents analytical and experimental investigations of a fiber Bragg grating interrogator based on the arrayed waveguide grating made with a photonic integrated circuit technology. The key specifications of the interrogator are determined analytically based on the parameters of the arrayed waveguide grating used as a spectral demultiplexer and the photodetector’s operating error. In addition, the detection methods and algorithms for obtaining the reflectance spectrum maximum of fiber Bragg gratings are proposed and evaluated. Experimental measurements of the fiber Bragg grating central wavelength using the proposed algorithm are carried out, including calibration and measurement procedures using the data obtained under the influence of temperature and mechanical stress on the fiber Bragg grating. The system performance is experimentally confirmed with the accuracy of determination of a central wavelength of fiber Bragg grating reflection peak not less than 61 pm.
Tags: arrayed waveguide grating fiber bragg grating interrogator photonic integrated circuit волоконная брэгговская решетка дифракционная волноводная решетка интеррогатор фотонная интегральная схема
Subscribe to the journal Photonics Russia to read the full article.
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