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A simple configuration is proposed to perform wavelength switching in actively mode locked fiber ring lasers, in which a sampled fiber Bragg grating and a tunable optical filter are cascaded in the ring cavity to exactly select the operating wavelength. The switching of four wavelengths with a spacing of 1.6 nm is obtained. The experimental results demonstrate that this technique is reliable and convenient.
A simple configuration is proposed to perform wavelength switching in actively mode locked fiber ring lasers, in which a sampled fiber Bragg grating and a tunable optical filter are cascaded in the ring cavity to exactly select the operating wavelength. of 1.6 nm is obtained. The experimental results demonstrate that this technique is reliable and convenient.