Diode-pumped power scalable Kerr-lens mode-locked Yb:CYA laser

Wenlong Tian; Yingnan Peng; Ziyue Zhang; Zijiao Yu; Jiangfeng Zhu; Xiaodong Xu; Zhiyi Wei

doi:doi:10.1364/PRJ.6.000127

Photonics Research, 2018, 6 (2): 02000127, Published Online: Jul. 10, 2018

Diode-pumped power scalable Kerr-lens mode-locked Yb:CYA laser Download： 667次

Wenlong Tian ¹Yingnan Peng ¹Ziyue Zhang ²Zijiao Yu ²Jiangfeng Zhu ^1,*Xiaodong Xu ³Zhiyi Wei ²

Author Affiliations

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

² Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China

³ Jiangsu Key Laboratory of Advanced Laser Materials and Devices, School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, China

Figures & Tables

Fig. 1. Experimental setup of the high-power Kerr-lens mode-locked Yb:CYA laser. C1 and C2, concave mirrors with ROC of 300 mm; GTI1 and GTI2, Gires–Tournois interferometer mirrors with total dispersion of −1850 fs2 per bounce; C3 and C4, concave mirrors with ROC of 100 mm; M1, dichroic mirror; M2 and M3, flat mirrors with high reflectivity; OC, output coupler with transmittance of 2.5%.

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Fig. 2. Output performances of the continuous wave (CW) and Kerr-lens mode-locked operations of Yb:CYA laser, respectively.

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Fig. 3. Pulse characterization results of the KLM Yb:CYA laser. (a) CW (red) and mode-locked (blue) spectra, inset is the beam profile at the maximum average power of 1.5 W. (b) Measured intensity autocorrelation trace shown as black dashed while the fitted sech2 trace shown by red solid curve.

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Fig. 4. Oscilloscope traces of the high-power Kerr-lens mode-locked pulse train in the time scales of (a) 10 ns/div, and (b) 4 μs/div, respectively.

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Fig. 5. RF spectra of the Kerr-lens mode-locked Yb:CYA laser. (a) RF spectrum at the fundamental beat note with the resolution bandwidth of 1 kHz. (b) RF spectrum at 1 GHz wide-span range with the resolution bandwidth of 100 kHz.

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Fig. 6. Summary of the sub-100 fs mode-locked lasers based on bulk Yb-doped crystals with watt-level average output power [1,4 6" target="_self" style="display: inline;">–6,8,12,13,22 –26" target="_self" style="display: inline;">–26].

–6,8,12,13,22–26" target="_self" style="display: inline;">–26]." class="imgSplash img-thumbnail" style="cursor:pointer;">

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Wenlong Tian, Yingnan Peng, Ziyue Zhang, Zijiao Yu, Jiangfeng Zhu, Xiaodong Xu, Zhiyi Wei. Diode-pumped power scalable Kerr-lens mode-locked Yb:CYA laser[J]. Photonics Research, 2018, 6(2): 02000127.

Diode-pumped power scalable Kerr-lens mode-locked Yb:CYA laser Download： 667次

Fig. 2. Output performances of the continuous wave (CW) and Kerr-lens mode-locked operations of Yb:CYA laser, respectively.

Fig. 3. Pulse characterization results of the KLM Yb:CYA laser. (a) CW (red) and mode-locked (blue) spectra, inset is the beam profile at the maximum average power of 1.5 W. (b) Measured intensity autocorrelation trace shown as black dashed while the fitted sech2 trace shown by red solid curve.

Fig. 4. Oscilloscope traces of the high-power Kerr-lens mode-locked pulse train in the time scales of (a) 10 ns/div, and (b) 4 μs/div, respectively.

Fig. 5. RF spectra of the Kerr-lens mode-locked Yb:CYA laser. (a) RF spectrum at the fundamental beat note with the resolution bandwidth of 1 kHz. (b) RF spectrum at 1 GHz wide-span range with the resolution bandwidth of 100 kHz.

Fig. 6. Summary of the sub-100 fs mode-locked lasers based on bulk Yb-doped crystals with watt-level average output power [1,4 6" target="_self" style="display: inline;">–6,8,12,13,22 –26" target="_self" style="display: inline;">–26].

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Diode-pumped power scalable Kerr-lens mode-locked Yb:CYA laser Download： 667次

Fig. 2. Output performances of the continuous wave (CW) and Kerr-lens mode-locked operations of Yb:CYA laser, respectively.

Fig. 3. Pulse characterization results of the KLM Yb:CYA laser. (a) CW (red) and mode-locked (blue) spectra, inset is the beam profile at the maximum average power of 1.5 W. (b) Measured intensity autocorrelation trace shown as black dashed while the fitted sech2 trace shown by red solid curve.

Fig. 4. Oscilloscope traces of the high-power Kerr-lens mode-locked pulse train in the time scales of (a) 10 ns/div, and (b) 4 μs/div, respectively.

Fig. 5. RF spectra of the Kerr-lens mode-locked Yb:CYA laser. (a) RF spectrum at the fundamental beat note with the resolution bandwidth of 1 kHz. (b) RF spectrum at 1 GHz wide-span range with the resolution bandwidth of 100 kHz.

Fig. 6. Summary of the sub-100 fs mode-locked lasers based on bulk Yb-doped crystals with watt-level average output power [1,46" target="_self" style="display: inline;">–6,8,12,13,22–26" target="_self" style="display: inline;">–26].

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Fig. 6. Summary of the sub-100 fs mode-locked lasers based on bulk Yb-doped crystals with watt-level average output power [1,4 6" target="_self" style="display: inline;">–6,8,12,13,22 –26" target="_self" style="display: inline;">–26].