We demonstrate a self-started,long-term stable polarization-maintaining mode-locked fiber laser based on the nonlinear polarization evolution technique.A polarized beam splitter is inserted into the cavity of the line...We demonstrate a self-started,long-term stable polarization-maintaining mode-locked fiber laser based on the nonlinear polarization evolution technique.A polarized beam splitter is inserted into the cavity of the linear polarizationmaintaining fiber laser to facilitate self-started mode-locking.Pulses with single pulse energy of 26.9 nJ and average output power of 73.9 mW are obtained at the pump power of 600 mW.The transmission characteristics of artificial saturable absorber used in this laser are analyzed theoretically,the influence of the half-wave plate state on mode-locking is discussed,and the mode-locking range is obtained,which is well consistent with the experimental results.展开更多
We experimentally demonstrate a Yb-doped all-fiber mode-locked laser based on the Mamyshev mechanism.The entire experimental setup operates only by injecting pump powers and adjusting polarization controllers(PCs),whi...We experimentally demonstrate a Yb-doped all-fiber mode-locked laser based on the Mamyshev mechanism.The entire experimental setup operates only by injecting pump powers and adjusting polarization controllers(PCs),which realizes selfstarting.Two types of pulse patterns are observed at different pump powers and polarization states,including single pulses and up to eight-pulse bound-state pulses.The operating wavelength of single-pulse mode-locking switching between 1072.3and 1043.1 nm can be realized by increasing the pump power while keeping the PCs in a fixed state.The design can provide an attractive experimental model for all-fiber and self-starting Mamyshev oscillators.展开更多
基金Project supported by the National Natural Science Foundation of China(Grant Nos.61575011 and 61975003)the Beijing Natural Science Foundation,China(Grant No.4192015).
文摘We demonstrate a self-started,long-term stable polarization-maintaining mode-locked fiber laser based on the nonlinear polarization evolution technique.A polarized beam splitter is inserted into the cavity of the linear polarizationmaintaining fiber laser to facilitate self-started mode-locking.Pulses with single pulse energy of 26.9 nJ and average output power of 73.9 mW are obtained at the pump power of 600 mW.The transmission characteristics of artificial saturable absorber used in this laser are analyzed theoretically,the influence of the half-wave plate state on mode-locking is discussed,and the mode-locking range is obtained,which is well consistent with the experimental results.
基金supported by the National Natural Science Foundation of China(No.62135007)the Open Fund of Guangdong Provincial Key Laboratory of Functional Nanophotonic Materials and Devices,South China Normal University,Guangzhou,China。
文摘We experimentally demonstrate a Yb-doped all-fiber mode-locked laser based on the Mamyshev mechanism.The entire experimental setup operates only by injecting pump powers and adjusting polarization controllers(PCs),which realizes selfstarting.Two types of pulse patterns are observed at different pump powers and polarization states,including single pulses and up to eight-pulse bound-state pulses.The operating wavelength of single-pulse mode-locking switching between 1072.3and 1043.1 nm can be realized by increasing the pump power while keeping the PCs in a fixed state.The design can provide an attractive experimental model for all-fiber and self-starting Mamyshev oscillators.