Wavelength-flexible all-polarization-maintaining self-sweeping fiber laser based on intracavity loss tuning

Kaile Wang; Zengrun Wen; Haowei Chen; Baole Lu; Jintao Bai

doi:doi:10.3788/COL202119.041401

Chinese Optics Letters, 2021, 19 (4): 041401, Published Online: Jan. 11, 2021

Wavelength-flexible all-polarization-maintaining self-sweeping fiber laser based on intracavity loss tuning Download： 680次

Kaile Wang ^1,2Zengrun Wen ^1,2Haowei Chen ^1,2,**Baole Lu ^1,2,*Jintao Bai ^1,2

Author Affiliations

¹ State Key Laboratory of Photoelectric Technology and Functional Materials, International Collaborative Center on Photoelectric Technology and Nano Functional Materials, Institute of Photonics & Photon-technology, Northwest University, Xi’an 710069, China

² Shaanxi Engineering Technology Research Center for Solid State Lasers and Application, Provincial Key Laboratory of Photo-electronic Technology, Northwest University, Xi’an 710069, China

Figures & Tables

Fig. 1. (a) ASE measurement setup. (b) The ASE spectra in different diameters of bent fiber circles.

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Fig. 2. Relationship between the curvature loss and the diameter of the bent fiber circle.

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Fig. 3. Experimental setup of the proposed all-PM fiber laser. PM LD, polarization-maintaining laser diode. PM WDM, polarization-maintaining wavelength division multiplexer. PM Yb401, polarization-maintaining ytterbium-doped fiber.

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Fig. 4. Intensity dynamics of bidirectional all-PM self-sweeping Yb-doped fiber: (a) the microsecond pulse, (b) the zoomed view.

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Fig. 5. Relationship between the diameter of the bent fiber circle and both threshold power and initial wavelength.

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Fig. 6. Iconic spectral dynamics of self-sweeping regimes in different diameters of bent fiber circles: (a1) and (a2) 65 mm; (b1) and (b2) 18 mm; (c1) and (c2) 14 mm; (d1) and (d2) 10 mm; (e1) and (e2) 9 mm; (f1) and (f2) 8 mm.

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Fig. 7. (a) Relationship of start and stop wavelengths and (b) sweeping rate and selected pump power varying with the bent diameter.

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Kaile Wang, Zengrun Wen, Haowei Chen, Baole Lu, Jintao Bai. Wavelength-flexible all-polarization-maintaining self-sweeping fiber laser based on intracavity loss tuning[J]. Chinese Optics Letters, 2021, 19(4): 041401.

Wavelength-flexible all-polarization-maintaining self-sweeping fiber laser based on intracavity loss tuning Download： 680次

Fig. 1. (a) ASE measurement setup. (b) The ASE spectra in different diameters of bent fiber circles.

Fig. 2. Relationship between the curvature loss and the diameter of the bent fiber circle.

Fig. 3. Experimental setup of the proposed all-PM fiber laser. PM LD, polarization-maintaining laser diode. PM WDM, polarization-maintaining wavelength division multiplexer. PM Yb401, polarization-maintaining ytterbium-doped fiber.

Fig. 4. Intensity dynamics of bidirectional all-PM self-sweeping Yb-doped fiber: (a) the microsecond pulse, (b) the zoomed view.

Fig. 5. Relationship between the diameter of the bent fiber circle and both threshold power and initial wavelength.

Fig. 6. Iconic spectral dynamics of self-sweeping regimes in different diameters of bent fiber circles: (a1) and (a2) 65 mm; (b1) and (b2) 18 mm; (c1) and (c2) 14 mm; (d1) and (d2) 10 mm; (e1) and (e2) 9 mm; (f1) and (f2) 8 mm.

Fig. 7. (a) Relationship of start and stop wavelengths and (b) sweeping rate and selected pump power varying with the bent diameter.

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Wavelength-flexible all-polarization-maintaining self-sweeping fiber laser based on intracavity loss tuning Download： 680次

Fig. 1. (a) ASE measurement setup. (b) The ASE spectra in different diameters of bent fiber circles.

Fig. 2. Relationship between the curvature loss and the diameter of the bent fiber circle.

Fig. 3. Experimental setup of the proposed all-PM fiber laser. PM LD, polarization-maintaining laser diode. PM WDM, polarization-maintaining wavelength division multiplexer. PM Yb401, polarization-maintaining ytterbium-doped fiber.

Fig. 4. Intensity dynamics of bidirectional all-PM self-sweeping Yb-doped fiber: (a) the microsecond pulse, (b) the zoomed view.

Fig. 5. Relationship between the diameter of the bent fiber circle and both threshold power and initial wavelength.

Fig. 6. Iconic spectral dynamics of self-sweeping regimes in different diameters of bent fiber circles: (a1) and (a2) 65 mm; (b1) and (b2) 18 mm; (c1) and (c2) 14 mm; (d1) and (d2) 10 mm; (e1) and (e2) 9 mm; (f1) and (f2) 8 mm.

Fig. 7. (a) Relationship of start and stop wavelengths and (b) sweeping rate and selected pump power varying with the bent diameter.

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