All-fiber passively mode-locked ytterbium fiber laser with a rectangular spectrum profile

Guoliang Chen; Chun Gu; Anting Wang; Hai Ming; Lixin Xu

doi:10.1117/12.837888

24 November 2009 All-fiber passively mode-locked ytterbium fiber laser with a rectangular spectrum profile

Guoliang Chen, Chun Gu, Anting Wang, Hai Ming, Lixin Xu

Proceedings Volume 7509, 2009 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration; 75090L (2009) https://doi.org/10.1117/12.837888
Event: International Conference on Optical Instrumentation and Technology, 2009, Shanghai, China

Abstract

We have demonstrated an all-fiber passively mode-locked ytterbium fiber laser operating with a rectangular spectrum profile. Mode-locking is achieved by adopting nonlinear polarization rotation (NPR) in an all fiber ring cavity with normal dispersion. The 3 dB bandwidth of the spectrum is 8.6 nm, the signal-to-noise ratio (SNR) is more than 40 dB, and the rising and falling band edges are very steep. The mode-locking pulse train is stable and has a repetition of 13.4 MHz. We believe that the laser is operating in the gain-guided soliton state, which means soliton formation is induced purely by the existence of gain and gain dispersion. This kind of mode-locked fiber laser with the rectangular spectrum has potential applications in optical-based ultra-high-speed signal collection system, optical frequency combs generation and supercontinuum light source.

Citation Download Citation

Guoliang Chen, Chun Gu, Anting Wang, Hai Ming, and Lixin Xu "All-fiber passively mode-locked ytterbium fiber laser with a rectangular spectrum profile", Proc. SPIE 7509, 2009 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration, 75090L (24 November 2009); https://doi.org/10.1117/12.837888

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