Ternary ReS2(1-x)Se2x alloy saturable absorber for passively Q-switched and mode-locked erbium-doped all-fiber lasers

Chenxi Dou; Wen Wen; Junli Wang; Mengyuan Ma; Liming Xie; Ching-Hwa Ho; Zhiyi Wei

doi:10.1364/PRJ.7.000283

Journals >Photonics Research >Volume 7 >Issue 3 >Page 283 > Article

Photonics Research
Vol. 7, Issue 3, 283 (2019)

Ternary ReS_2(1-x)Se_2x alloy saturable absorber for passively Q-switched and mode-locked erbium-doped all-fiber lasers

Chenxi Dou¹, Wen Wen^2、3, Junli Wang^1、*, Mengyuan Ma¹, Liming Xie^2、3, Ching-Hwa Ho⁴, and Zhiyi Wei⁵

Author Affiliations

¹School of Physics and Optoelectronics Engineering, Xidian University, Xi’an 710071, China

²CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China

³University of Chinese Academy of Sciences, Beijing 100049, China

⁴Graduate Institute of Applied Science and Technology, Taiwan University of Science and Technology, Taipei 106, China

⁵Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China

show less

DOI: 10.1364/PRJ.7.000283 Cite this Article Set citation alerts

Chenxi Dou, Wen Wen, Junli Wang, Mengyuan Ma, Liming Xie, Ching-Hwa Ho, Zhiyi Wei. Ternary ReS_2(1-x)Se_2x alloy saturable absorber for passively Q-switched and mode-locked erbium-doped all-fiber lasers[J]. Photonics Research, 2019, 7(3): 283 Copy Citation Text

EndNote(RIS)

BibTex

Plain Text

show less

(a) SEM image, EDS elemental mapping and spectrum of Re, S, and Se. (b) AFM topography, (c) height diagram of a ReS1.02Se0.98 flake on a SiO2/Si substrate. (d) HRTEM image, (e) XPS profiles, and (f) Raman spectra of a ReS1.02Se0.98 flake.

Fig. 1. (a) SEM image, EDS elemental mapping and spectrum of Re, S, and Se. (b) AFM topography, (c) height diagram of a ReS1.02Se0.98 flake on a SiO2/Si substrate. (d) HRTEM image, (e) XPS profiles, and (f) Raman spectra of a ReS1.02Se0.98 flake.

Download full size | View in the Article

Fig. 2. Nonlinear absorption of a ReS1.02Se0.98 SA.

Download full size | View in the Article

Fig. 3. Schematic of the all-fiber Q-switched EDF laser cavity.

Download full size | View in the Article

Fig. 4. (a) Pulse trains of Q-switching operation at pump power of 600 mW; inset: the corresponding pulse width. (b) RF spectrum (measured with 100 Hz RBW) of Q-switching operation with a ReS1.02Se0.98 SA at a center frequency of 128 kHz.

Download full size | View in the Article

Fig. 5. (a) Pulse duration and repetition rate versus incident pump power of the Q-switched mechanism. (b) Output average power and pulse energy versus incident pump power of Q-switched operation. (c) The wavelength spectrum of the Q-switched EDF laser at the pump power of 300 mW.

Download full size | View in the Article

Fig. 6. Diagram of the mode-locked fiber laser setup with a ReS1.02Se0.98 SA.

Download full size | View in the Article

Fig. 7. (a) Pulse trains of mode-locking operation at pump power of 530 mW; inset: oscilloscope trace. (b) RF spectra (measured with 100 Hz RBW) of mode-locking operation with a ReS1.02Se0.98 SA at the pump power of 530 mW. (c) Optical spectrum with the bandwidth of 4.85 nm. (d) Autocorrelation trace for output pulse with a pulse duration of 888 fs with sech2 fit.

Download full size | View in the Article