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8月23日学术报告:Dissipative solitons in fiber lasers: from stable pulse generation to extreme wave dynamics

学术报告:Dissipative solitons in fiber lasers: from stable pulse generation to extreme wave dynamics

报告人:Prof. Philippe GreluICB, Université Bourgogne Franche-Comté, France

时间:823号(周三)上午10:00 

地点:田家炳南楼205

邀请人:陈世华

 

欢迎各位老师、同学参加!

 

学术报告摘要:

During the seminar, I shall provide a brief introduction to fiber lasers and soliton concepts that help to understand the great variety of ultrashort pulse dynamics obtained in fiber laser experiments. In particular, the dissipative soliton paradigm is used to interpret paradoxical dynamics that exist in the vicinity of the conventional mode-locked regime. As a vivid illustration, and by using a real-time spectro-temporal imaging technique, I will present evidence of vibrating soliton molecules and spectral rogue waves in ultrafast fiber laser experiments.

[1]   Ph. Grelu and N. Akhmediev, Dissipative solitons for mode-locked lasers, Nature Photon. 6, 84–92 (2012).

[2]   K. Krupa*, K. Nithyanandan, U. Andral, P. Tchofo-Dinda, and Ph. Grelu*, Real-Time Observation of Internal Motion within Ultrafast Dissipative Optical Soliton Molecules, Phys. Rev. Lett. 118, 243901 (2017).

[3]   C. Lecaplain, Ph. Grelu, J.M. Soto-Crespo, and N. Akhmediev, Dissipative rogue waves generated by chaotic pulse bunching in a mode-locked laser, Phys. Rev. Lett. 108, 233901 (2012).

[4]   Ph. Grelu (Ed.), Nonlinear Optical Cavity Dynamics: From Microresonators to Fiber Lasers (Wiley, 2016)

 

Philippe Grelu教授简介: 

Philippe Grelu has been Professor of Physics at Université de Bourgogne, in Dijon, France, since 2005. After receiving his PhD at University of Orsay (Paris XI) in quantum optics (1996), his interest moved to ultrafast nonlinear optics and mode-locked fiber lasers. He developed a key expertise in nonlinear optical cavity dynamics, with major contributions in the fast-developing area of dissipative solitons. He has authored over 150 scientific publications and edited recently the book “Nonlinear optical cavity dynamics”, Wiley-VCH (2016).

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