A switchable and tunable dual-wavelength actively mode-locked fiber laser based on a dispersion tuning technique is proposed and demonstrated.Synchronous wavelength tuning of dual-wavelength operation with wavelength ...A switchable and tunable dual-wavelength actively mode-locked fiber laser based on a dispersion tuning technique is proposed and demonstrated.Synchronous wavelength tuning of dual-wavelength operation with wavelength spacing of 22.9 nm can be achieved up to 23.2 nm by changing the modulation frequency.The proposed laser can operate in dual-wavelength or single-wavelength by simple adjustment of the polarization controller.Moreover,wavelength spacing can also be varied from 22 to 45 nm at the cost of a reduced tuning range by changing the harmonic order,which is determined by the modulation frequency.These experimental observations agree well with the theoretical analysis.展开更多
基金Supported by the National Science and Technology Program of China No 2011BAF06B02.
文摘A switchable and tunable dual-wavelength actively mode-locked fiber laser based on a dispersion tuning technique is proposed and demonstrated.Synchronous wavelength tuning of dual-wavelength operation with wavelength spacing of 22.9 nm can be achieved up to 23.2 nm by changing the modulation frequency.The proposed laser can operate in dual-wavelength or single-wavelength by simple adjustment of the polarization controller.Moreover,wavelength spacing can also be varied from 22 to 45 nm at the cost of a reduced tuning range by changing the harmonic order,which is determined by the modulation frequency.These experimental observations agree well with the theoretical analysis.
