Generation of few-cycle laser pulses by coherent synthesis based on a femtosecond Yb-doped fiber laser amplification system

Aichen Ge; Bowen Liu; Wei Chen; Haochen Tian; Youjian Song; Lu Chai; Minglie Hu

doi:doi:10.3788/COL201917.041403

Chinese Optics Letters, 2019, 17 (4): 041403, Published Online: Apr. 3, 2019

Generation of few-cycle laser pulses by coherent synthesis based on a femtosecond Yb-doped fiber laser amplification system Download： 609次

Aichen Ge Bowen Liu ^*Wei Chen Haochen Tian Youjian Song Lu Chai Minglie Hu

Author Affiliations

Ultrafast Laser Laboratory, School of Precision Instrument and Optoelectronics Engineering, Key Laboratory of Optoelectronic Information Technology (Ministry of Education), Tianjin University, Tianjin 300072, China

Figures & Tables

Fig. 1. Schematic of coherent synthesis system. HWP, half-wave plate; PBS, polarization beam splitter; SF11 PC, SF11 prism compressor; SPF, short-pass filter; VDL, variable delay line; NDF, neutral density filter; BS, beam splitter.

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Fig. 2. Spectral evolution in (a) HNF1 and (b) HNF2, where the white lines are the optimum length of the nonlinear fibers for pulse output, and the red circle indicates the dispersive wave generated in HNF1. The autocorrelation traces of (c) dechirped dispersive wave from HNF1 and (d) dechirped pulses output from HNF2. (e) Measured spectra of pulses output from HNF1 (red), dispersive wave output from HNF2 (blue), and the coherently synthesized pulse (black line).

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Fig. 3. (a) Relative intensity noise of pump pulses. (b) Timing jitter spectrum of dispersive wave from HNF1 (red) and pulses from HNF2 (blue), and the gray lines are the noise floors. (c) Integrated RMS timing jitter of dispersive wave from HNF1 (red) and pulses from HNF2 (blue).

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Fig. 4. (a) Evolution of the autocorrelator trace with delay between two pulses. (b) Fringe-resolved autocorrelator trace of the synthesized pulses. Inset figure is the intensity of the TL pulse obtained from the synthesized spectrum shown in Fig. 2(e).

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Aichen Ge, Bowen Liu, Wei Chen, Haochen Tian, Youjian Song, Lu Chai, Minglie Hu. Generation of few-cycle laser pulses by coherent synthesis based on a femtosecond Yb-doped fiber laser amplification system[J]. Chinese Optics Letters, 2019, 17(4): 041403.

Generation of few-cycle laser pulses by coherent synthesis based on a femtosecond Yb-doped fiber laser amplification system Download： 609次

Fig. 1. Schematic of coherent synthesis system. HWP, half-wave plate; PBS, polarization beam splitter; SF11 PC, SF11 prism compressor; SPF, short-pass filter; VDL, variable delay line; NDF, neutral density filter; BS, beam splitter.

Fig. 3. (a) Relative intensity noise of pump pulses. (b) Timing jitter spectrum of dispersive wave from HNF1 (red) and pulses from HNF2 (blue), and the gray lines are the noise floors. (c) Integrated RMS timing jitter of dispersive wave from HNF1 (red) and pulses from HNF2 (blue).

Fig. 4. (a) Evolution of the autocorrelator trace with delay between two pulses. (b) Fringe-resolved autocorrelator trace of the synthesized pulses. Inset figure is the intensity of the TL pulse obtained from the synthesized spectrum shown in Fig. 2(e).

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Generation of few-cycle laser pulses by coherent synthesis based on a femtosecond Yb-doped fiber laser amplification system Download： 609次

Fig. 1. Schematic of coherent synthesis system. HWP, half-wave plate; PBS, polarization beam splitter; SF11 PC, SF11 prism compressor; SPF, short-pass filter; VDL, variable delay line; NDF, neutral density filter; BS, beam splitter.

Fig. 3. (a) Relative intensity noise of pump pulses. (b) Timing jitter spectrum of dispersive wave from HNF1 (red) and pulses from HNF2 (blue), and the gray lines are the noise floors. (c) Integrated RMS timing jitter of dispersive wave from HNF1 (red) and pulses from HNF2 (blue).

Fig. 4. (a) Evolution of the autocorrelator trace with delay between two pulses. (b) Fringe-resolved autocorrelator trace of the synthesized pulses. Inset figure is the intensity of the TL pulse obtained from the synthesized spectrum shown in Fig. 2(e).

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