Microwave photon filter based on multi-wavelength fiber laser and chirp Bragg gratings
A fiber laser and chirped Bragg technology, which is applied to lasers, laser components, phonon exciters, etc., can solve the problem of small free spectrum range, expand the free spectrum range, realize free spectrum range, and reduce delay poor effect
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[0020] Such as figure 1 As shown, the present invention includes a multi-wavelength fiber laser 10, a spectrum shaper 11, a 1:99 optical coupler C12, a spectrum analyzer 13, a phase modulator 14, a radio frequency signal generator 15, an optical circulator A16, a chirped Bragg grating 17. Optical circulator B18, fiber Bragg grating array 19, photodetector 20, radio frequency signal analyzer 21. Among them, the multi-wavelength fiber laser 10 includes an erbium-doped fiber amplifier 1, a single-mode fiber 2, an optical isolator 4, a polarization controller B6, a coupler 8, and a Sagnac composed of a polarization-maintaining fiber 3, a polarization controller 5, and a coupler A7. Ring 9. Its connection relationship is as follows: multi-wavelength fiber laser 10 composed of erbium-doped fiber amplifier 1, single-mode fiber 2, optical isolator 4, polarization controller B6, optical coupler B8, and Sagnac ring 9 is connected to generate multi-wavelength laser from the optical The...
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