Wide passband reconfigurable microwave quantum photon filtering device and filtering method based on stimulated brillouin scattering
A microwave photon filtering and stimulated Brillouin technology, applied in the directions of light guides, optics, optical components, etc., can solve problems such as narrow passband, and achieve the effect of increasing passband width and increasing passband width.
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specific Embodiment approach 1
[0019] Specific implementation mode 1. Combination figure 1 Describe this embodiment mode. In this embodiment mode, a wide-passband reconfigurable microwave photon filter device based on stimulated Brillouin scattering is described. The filter device includes No. 1 laser 1-1 and No. 1 phase modulator 1-2 , RF amplifier 1-3, function generator 1-4, erbium-doped fiber amplifier 1-5, No. 1 isolator 1-6, circulator 1-7, optical fiber 1-8, detector 1-9, No. 2 isolation 1-10, No. 2 phase modulator 1-11 and No. 2 laser 1-12;
[0020] The laser signal output end of the No. 1 laser 1-1 is connected to the laser signal input end of the No. 1 phase modulator 1-2, and the modulation signal output end of the function generator 1-4 is connected to the modulation signal input end of the radio frequency amplifier 1-3. The drive signal output end of the amplifier 1-3 is connected to the drive signal input end of the No. 1 phase modulator 1-2, and the modulation signal output end of the No. 1 ...
specific Embodiment approach 2
[0023] Specific embodiment 2. This embodiment is a further description of a wide-passband reconfigurable microwave photon filter device based on stimulated Brillouin scattering described in specific embodiment 1. Optical fibers 1-8 are realized by single-mode optical fibers. .
specific Embodiment approach 3
[0024] Specific Embodiment 3. This embodiment is a further description of a wide-passband reconfigurable microwave photon filter device based on stimulated Brillouin scattering described in Embodiment 1. No. 1 laser 1-1 adopts distributed feedback type semiconductor laser, and the output laser wavelength of the distributed feedback type semiconductor laser is 1550nm.
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