期刊
OPTICS LETTERS
卷 40, 期 23, 页码 5506-5509出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.40.005506
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资金
- National Natural Science Foundation of China (NSFC) [11274106, 11474089]
A simple and compact converter based on the dielectric metasurface is proposed for the transformation of Gaussian mode to Hermite-Gaussian and Laguerre-Gaussian modes. We establish the relationship between the phase of a desired mode and the local orientation of the optical axis based on the evolution of Pancharatnam-Berry phase on Poincare sphere. By controlling the local orientation of the optical axis in the dielectric metasurface, we can achieve any desired higher-order laser mode. (C) 2015 Optical Society of America
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