Multi-wavelength Brillouin erbium-doped fiber laser with annular cavity based on Taiji structure
An erbium-doped fiber and ring cavity technology is applied in the field of ring-cavity multi-wavelength Brillouin erbium-doped fiber lasers to achieve the effects of reducing ASE noise, stable device performance, and reducing link loss
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[0013] The present invention will be further described below with reference to the drawings and embodiments.
[0014] This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation modes and processes are given, but the protection scope of the present invention is not limited to the following embodiments.
[0015] Such as figure 2 As shown, this embodiment includes: a ring cavity with a Taiji structure composed of a first coupler 1, a first single-mode fiber 3, a second single-mode fiber 4, a third single-mode fiber 5, and a second coupler 2, pumping The light source 6, the output of the pumping light source 6 is connected to the first port 1-1 of the first coupler, and the third port 1-3 of the first coupler is connected to the fourth port of the second coupler via the first single-mode fiber 3 2-4 is connected, the fourth port 1-4 of the first coupler is connected to the second port 2-2 of the second coupler via the ...
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