Multi-wavelength Brillouin fiber laser
A fiber laser, multi-wavelength technology, used in lasers, laser devices, laser parts and other directions, can solve problems such as increasing the bit error rate and difficulty in signal adjustment
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[0014] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.
[0015] A multi-wavelength Brillouin fiber laser, characterized in that it includes a narrow linewidth adjustable laser (1), a first fiber coupler (2), a first optical amplifier (3), and a four-port optical circulator (4) , a first Brillouin fiber (5), a three-port optical circulator (6), a second Brillouin fiber (7), a second optical amplifier (8), and a second fiber coupler (9).
[0016] It is characterized in that the output end of the narrow linewidth adjustable laser (1) is connected to the A1 port of the A end of the four-port fiber coupler (2), and the B1 port of the B end of the four-port fiber coupler is connected to the input of the first optical amplifier (3). The 41 ports of the four-port optical circulator (4) are connected with the output end of the first optical amplifier, the 42 ports of the four-port optical circulator (4) are ...
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