期刊
REPORTS ON PROGRESS IN PHYSICS
卷 83, 期 11, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1361-6633/abbcd7
关键词
soliton dynamics; real-time spectrum; mode-locking lasers; dispersive Fourier transformation
资金
- Science and Technology Development Fund, Macao SAR, China [007/2017/A1, 132/2017/A3]
- National Natural Science Foundation [11974220, 61875138, 61435010, 6181101252, 61475089]
- China Postdoctoral Science Foundation [2018M643165, 2020M672786]
- Science and Technology Innovation Commission of Shenzhen [KQTD201503241627038, JCYJ20150625103619275, JCYJ20170811093453105]
- Instrumental Analysis Center of Shenzhen University (Xili Campus)
Mode-locking lasers have not only produced huge economic benefits in industrial fields and scientific research, but also provided an excellent platform to study diverse soliton phenomena. However, the real-time characterization of the ultrafast soliton dynamics remains challenging for traditional electronic instruments due to their relatively low response bandwidth and slow scan rate. Consequently, it is urgent for researchers to directly observe these ultrafast evolution processes, rather than just indirectly understand them from numerical simulations or averaged measurement data. Fortunately, dispersive Fourier transformation (DFT) provides a powerful real-time measurement technique to overcome the speed limitations of traditional electronic measurement devices by mapping the frequency spectrum onto the temporal waveform. In this review, the operation principle of DFT is discussed and the recent progress in characterizing the ultrafast transient soliton dynamics of mode-locking lasers is summarized, including soliton explosions, soliton molecules, noise-like pulses, rogue waves, and mode-locking buildup processes.
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