MoS_2 saturable absorber prepared by chemical vapor deposition method for nonlinear control in Q-switching fiber laser
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摘要
Due to the remarkable carrier mobility and nonlinear characteristic,MoS_2 is considered to be a powerful competitor as an effective optical modulated material in fiber lasers.In this paper,the Moare prepared by the chemical vapor deposition method to guarantee the high quality of the crystal lattice and uniform thickness.The transfer of the films to microfiber and the operation of gold plated films ensure there is no heat-resistant damage and anti-oxidation.The modulation depth of the prepared integrated microfiber-Moabsorber is 11.07%.When the microfiber-Mo S_2 saturable absorber is used as a light modulator in the Q-switching fiber laser,the stable pulse train with a pulse duration of 888 ns at 1530.9 nm is obtained.The ultimate output power and pulse energy of output pulses are 18.8 mW and 88 nJ,respectively.The signal-to-noise ratio up to 60 dB indicates the good stability of the laser.This work demonstrates that the Moabsorber prepared by the chemical vapor deposition method can serve as an effective nonlinear control device for the Q-switching fiber laser.
Due to the remarkable carrier mobility and nonlinear characteristic,MoS_2 is considered to be a powerful competitor as an effective optical modulated material in fiber lasers.In this paper,the Moare prepared by the chemical vapor deposition method to guarantee the high quality of the crystal lattice and uniform thickness.The transfer of the films to microfiber and the operation of gold plated films ensure there is no heat-resistant damage and anti-oxidation.The modulation depth of the prepared integrated microfiber-Moabsorber is 11.07%.When the microfiber-Mo S_2 saturable absorber is used as a light modulator in the Q-switching fiber laser,the stable pulse train with a pulse duration of 888 ns at 1530.9 nm is obtained.The ultimate output power and pulse energy of output pulses are 18.8 mW and 88 nJ,respectively.The signal-to-noise ratio up to 60 dB indicates the good stability of the laser.This work demonstrates that the Moabsorber prepared by the chemical vapor deposition method can serve as an effective nonlinear control device for the Q-switching fiber laser.
Due to the remarkable carrier mobility and nonlinear characteristic,MoS_2 is considered to be a powerful competitor as an effective optical modulated material in fiber lasers.In this paper,the Moare prepared by the chemical vapor deposition method to guarantee the high quality of the crystal lattice and uniform thickness.The transfer of the films to microfiber and the operation of gold plated films ensure there is no heat-resistant damage and anti-oxidation.The modulation depth of the prepared integrated microfiber-Moabsorber is 11.07%.When the microfiber-Mo S_2 saturable absorber is used as a light modulator in the Q-switching fiber laser,the stable pulse train with a pulse duration of 888 ns at 1530.9 nm is obtained.The ultimate output power and pulse energy of output pulses are 18.8 mW and 88 nJ,respectively.The signal-to-noise ratio up to 60 dB indicates the good stability of the laser.This work demonstrates that the Moabsorber prepared by the chemical vapor deposition method can serve as an effective nonlinear control device for the Q-switching fiber laser.
引文
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