Linear and nonlinear wave propagation in negative refraction metamaterials

被引:278
作者
Agranovich, VM [1 ]
Shen, YR
Baughman, RH
Zakhidov, AA
机构
[1] Univ Texas, UTD NanoTech Inst, Richardson, TX 75083 USA
[2] Russian Acad Sci, Inst Spect, Troitsk 142190, Moscow Obl, Russia
[3] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA
来源
PHYSICAL REVIEW B | 2004年 / 69卷 / 16期
关键词
D O I
10.1103/PhysRevB.69.165112
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We discuss linear and nonlinear optical wave propagation in a left-handed medium (LHM) or medium of negative refraction (NRM). We use the approach of characterizing the medium response totally by a generalized electric polarization [with a dielectric permittivity epsilon(omega,k)] that can be decomposed into curl and noncurl parts. The description has a one-to-one correspondence with the usual approach characterizing the LHM response with a dielectric permittivity epsilon<0 and a magnetic permeability mu<0. The latter approach is less physically transparent in the optical frequency region because the usual definition of magnetization loses its physical meaning. Linear wave propagation in a LHM or NRM is characterized by negative refraction and negative group velocity that could be clearly manifested by ultrashort pulse propagation in such a medium. Nonlinear optical effects in a LHM can be predicted from the same calculations adopted for ordinary media using our general approach.
引用
收藏
页码:165112 / 1
页数:7
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