High Power Laser Science and Engineering, Volume. 12, Issue 6, 06000e83(2024)
Generation of multi-watt sub-50 fs pulses in Mamyshev oscillators: influence of the central wavelength in the grating filter
Figures & Tables(7)
Fig. 1. Schematic setup for investigating the effect of the offset spectral filter on laser characteristics. Col, collimator; YDF, Yb-doped fiber; BPF, bandpass filter; QWP, quarter-wave plate; HWP, half-wave plate; PBS, polarization beam splitter; ISO, isolator.
Fig. 2. Experimental results. (a) Spectrum. (b) Autocorrelation trace; inset, the intensity profile of the output laser beam. (c) Pulse train. (d) RF spectrum.
Fig. 3. Experimental results under different 
. (a)–(c) Blue-shifted mode-locked spectra. (e)–(g) Red-shifted mode-locked spectra. (h)–(j) Blue-shifted autocorrelation trace. (l)–(n) Red-shifted autocorrelation trace. (d), (k) Mode-locked spectra and autocorrelation trace as 
= 0; inset, zoom-in of the CW state.
Fig. 4. SNR of the grating filter at different center wavelengths.
Fig. 5. Experimental results. (a) Spectrum. (b) Autocorrelation trace; inset, the intensity profile of the output laser beam. (c) Pulse train. (d) RF spectrum.
Fig. 6. Power stability measurement of the mode-locked MO within 3 hours.
Table 1. Summary of the no-seed MO.
View tableView in ArticleTable 1. Summary of the no-seed MO.
No. Starting method Pulse duration Average power Pulse energy (nJ) SNR (dB) Refs. 1 PUMP 230 fs / 18 60 [ 34 ]2 PUMP 10 ns / / 63 [ 30 ]3 PUMP 65 fs / 21 78 [ 29 ]4 PUMP 2.47 ps / / 64 [ 35 ]5 PUMP 10.21 ps / / 57 [ 36 ]6 PUMP 1.25 ps 0.78 mW 0.1 53 [ 37 ]7 PUMP+GMNAa 40 fs 2.5 W 80 80 [ 38 ]8 PUMP+NPR 17 fs / 3.5 / [ 22 ]9 PUMP+NPR 15 ps 8.2 mW 6.5 40 [ 39 ]10 PUMP+NPR 4.16 ps 130 mW 21 47 [ 32 ]11 PUMP+NPR 64.69 fs 46.5 mW 1.89 70.8 [ 33 ]12 PUMP+NPR 330 fs / / 60 [ 31 ]13 PUMP+NPR 49 fs 2.23 W 73 80 This work
Tools
Get Citation
Copy Citation Text
Feihong Qiao, Jinbo Wang, Xinhe Dou, Xiang Li, Bole Song, Zhiguo Lv. Generation of multi-watt sub-50 fs pulses in Mamyshev oscillators: influence of the central wavelength in the grating filter[J]. High Power Laser Science and Engineering, 2024, 12(6): 06000e83
Paper Information
Category: Research Articles
Received: Jul. 17, 2024
Accepted: Sep. 23, 2024
Published Online: Dec. 26, 2024
The Author Email: Zhiguo Lv (lvzhiguo@imu.edu.cn)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20