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  • Received: Aug. 8, 2017

    Accepted: --

    Posted: Sep. 11, 2018

    Published Online: Sep. 11, 2018

    The Author Email: Zhao Jun (, Hu Minglie (

    DOI: 10.3788/LOP55.040001

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    Jun Zhao, Minglie Hu, Jintao Fan, Bowen Liu, Youjian Song, Lu Chai, Qingyue Wang. Research Progress of Nonlinear Frequency Conversion Technology Based on Fiber Femtosecond Lasers[J]. Laser & Optoelectronics Progress, 2018, 55(4): 040001

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Laser & Optoelectronics Progress, Vol. 55, Issue 4, 040001 (2018)

Research Progress of Nonlinear Frequency Conversion Technology Based on Fiber Femtosecond Lasers

Zhao Jun, Hu Minglie, Fan Jintao, Liu Bowen, Song Youjian, Chai Lu*, and Wang Qingyue

Author Affiliations

  • Ultrafast Laser Laboratory, Key Laboratory of Opto-Electronics Information and Technique, Ministry of Education, College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072, China


Over the last decade, there have been spectacular development in nonlinear frequency conversion techniques, due to the development of improved nonlinear materials together with the evolution of femtosecond pump lasers. Compared with traditional laser sources, nonlinear conversion techniques represent a simple and effective approach to the direct generation of widely tunable and broadband coherent radiation breaking through the limited bandwidth of gain medium. And thus such techniques are of great interests for different applications. Up to now, our group has built up a variety of high power fiber lasers successfully, which provides a cornerstone for the nonlinear frequency conversion. We review the recent process developments in nonlinear frequency conversion techniques driven by photonics crystal femtosecond fiber lasers, especially in the last five years, including optical parametric oscillators (OPOs), excellent frequency up conversion based on GaAs nanowires, supercontinuum generation and third harmonic generation based on highly nonlinear photonic crystal fibers. In addition, basic principles and some advanced applications are also discussed in this review.


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