Open AccessGuiding waves through an invisible tunnel
Author(s) -
Jingjing Zhang,
Yu Luo,
Hongsheng Chen,
Jiangtao Huangfu,
BaeIan Wu,
Lixin Ran,
Jin Au Kong
Publication year - 2009
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.17.006203
Subject(s) - optics , transformation optics , transformation (genetics) , waveguide , space (punctuation) , physics , computer science , metamaterial , biochemistry , chemistry , gene , operating system
Transformation optics provides a promising way to guide waves in the open space. It is shown that a small waveguide coated with transformation medium will behave as a big virtual tunnel connecting two waveguide ports separated faraway. The waves are transmitted and guided smoothly in the open space through this 'invisible tunnel'. The transformation medium is obtained by squeezing the space between the two ports into a small region. Numerical simulations are performed to illustrate this idea.