All-optical delay of images by backward four-wave mixing in metal-nanoparticle composites

被引：2
|
作者：
Kim, K. -H. [1 ]
Husakou, A. [1 ]
Herrmann, J. [1 ]
机构：
[1] Max Born Inst Nonlinear Opt & Short Pulse Spect, D-12489 Berlin, Germany
来源：
PHYSICAL REVIEW A | 2013年 / 87卷 / 04期
关键词：
PHASE-CONJUGATION; SLOW LIGHT; PROPAGATION; ABSORPTION;
D O I：
10.1103/PhysRevA.87.045805
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We theoretically study a method for all-optical delay of images based on backward four-wave mixing in composites containing metal nanoparticles. In this approach a delayed phase-conjugate probe pulse is generated by the interaction of two counterpropagating pump beams and a noncollinear shaped probe pulse in the nanocomposite. The fractional delay and the reflectivity for the phase-conjugate signal pulses are studied as functions of the input pump intensity. It is shown that this scheme can be used for delayed imaging combined with the elimination of optical diffraction. The advantages of this method include miniaturized design, tunable wavelength range up to the telecommunication range, and wide bandwidth. DOI: 10.1103/PhysRevA.87.045805
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页数：4
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