High Power Laser Science and Engineering, Volume. 11, Issue 2, 02000e29(2023)
Tunable compact asynchronous optical sampling system using Er-doped fiber laser
Fig. 1. (a) Setup of the ASOPS system. CIR+WDM, 980/1550 nm wavelength-division multiplexer fiber circulator; EDF, Er-doped fiber; SESAM, semiconductor saturable absorption mirror; PZT, piezoelectric transducer; FDL, electrically controlled fiber delay line; IWDM, wavelength-division multiplexer with isolator; PD, fiber-coupled photodiode; Raman, polarization-maintaining Raman fiber; PS, power splitter; PLO, phase-locked oscillator; DDS, direct-digital synthesis component; BP, electronic band-pass filter; AMP, amplifier; M1 and M2, electronic mixers; PLL1 and PPL2, phase-locked loops;
Fig. 2. Spectra of the (a) master and (b) slave lasers centered at 1565 nm. Autocorrelation traces of the (c) master and (d) slave lasers. The dashed lines represent the Gaussian curves fitted to the autocorrelation traces.
Fig. 3. Recorded repetition rates of (a) master laser
Fig. 4. Time-domain interference signals of the ASOPS system with Δ
Fig. 5. (a) Experimental setup of the TDS spectrometer. (b) Temporal waveform and (c) power spectrum of the pulsed THz radiation obtained at a 50-sweep measurement.
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Zilin Zhao, Daping Luo, Yang Liu, Zejiang Deng, Lian Zhou, Gehui Xie, Chenglin Gu, Yanzhao Yang, Bin Wu, Wenxue Li. Tunable compact asynchronous optical sampling system using Er-doped fiber laser[J]. High Power Laser Science and Engineering, 2023, 11(2): 02000e29
Category: Research Articles
Received: Nov. 5, 2022
Accepted: Feb. 22, 2023
Posted: Feb. 24, 2023
Published Online: May. 4, 2023
The Author Email: Yang Liu (yliu@lps.ecnu.edu.cn), Wenxue Li (wxli@phy.ecnu.edu.cn)