Control of spin angular momentum in quasi-phase-matched material

被引:0
|
作者
Tian, Linghao [1 ]
Liu, Kun [1 ]
Huo, Juan [1 ]
Chen, Xianfeng [1 ]
机构
[1] Shanghai Jiao Tong Univ, Dept Phys, State Key Lab Fiber Opt Local Area Commun Network, Shanghai 200240, Peoples R China
基金
中国国家自然科学基金;
关键词
OPTICAL SUPERLATTICE; LIGHT; PARTICLES; FILTER; LINBO3;
D O I
10.1364/AO.50.004221
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A method to control spin angular momentum (SAM), based on mutual effects of a electro-optic effect and a quasi-phase-matched (QPM) technique in QPM material, is proposed. By controlling the external electric field or operating wavelength, the transfer between left- and right-handed circularly polarized photons is achieved, thus the total SAM is manipulated. The external electric field needed in this method for the complete modulation of the total SAM per photon from 0 to (h) over bar is as low as 0.44 kV/cm. This method will see its applications in micromanipulation by light. (C) 2011 Optical Society of America
引用
收藏
页码:4221 / 4225
页数:5
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