Tunable single-passband microwave photonic filter based on Brillouin optical carrier recovery
A technology of microwave photons and tuned lasers, which is applied in the fields of instruments, optics, nonlinear optics, etc., and can solve problems such as complex structures
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[0028] figure 1 Shown is the tunable single-passband microwave photon filter based on Brillouin optical carrier recovery provided by the present invention, which includes: tunable laser 1, optical coupler 2, first optical amplifier 3 and second optical amplifier 13, The first optical circulator 4 and the second optical circulator 11, the first section of single-mode fiber 5 and the second section of single-mode fiber 10 wound together, the first optical polarization controller 6 and the second optical polarization controller 14 , Mach-Zehnder modulator 7, fiber optic Fapper filter 8, optical isolator 9, high-speed photodetector 12, electric vector network analyzer 15.
[0029] Wherein, the tunable laser 1 is used to generate laser with tunable wavelength, and its output port is connected to the port a of the optical coupler 2;
[0030] The optical coupler 2 is used to split the laser beam output by the tunable laser 1 at a ratio of 50%:50%, one path is output from the b port, a...
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