祝贺我实验室再发PRL封面文章 


这是继Phys. Rev. Lett. 93, 133904 (2004)之后, 我实验室发表的第二篇PRL
封面文章.

Nonlinear Čerenkov Radiation in Nonlinear Photonic Crystal Waveguides
Y. Zhang, Z. D. Gao, Z. Qi, S. N. Zhu, and N. B. Ming
Phys. Rev. Lett. 100, 163904 (2008)




Čerenkov radiation modes created when a two-frequency electromagnetic 
field propagates in a nonlinear photonic crystal waveguide. The spots 
arise from the sum of the fundamental frequencies(yellow) and the se-
cond harmonics of each(red, green).

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