Title

Effective light bending and controlling in a chamber-channel waveguide system

Authors

Authors

Y. N. Guo; H. N. Wang; J. M. Reed; S. Pan;S. L. Zou

Comments

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Abbreviated Journal Title

Opt. Lett.

Keywords

DISCRETE-DIPOLE APPROXIMATION; SUBWAVELENGTH; FILTER; METAL; Optics

Abstract

A novel chamber-channel system is proposed to achieve the bending of light at a 90 deg angle with relatively high transmission efficiencies. An ultrathin film is introduced into the chamber to couple more light into the system, which makes the chamber as a light absorber, while the channel serves as an output pathway to guide the light through the system. We show that the light propagation is significantly affected by the output position of the channels. By setting the output to specific positions, the device can be considered as a light switch, amplifier, or filter. This work holds great potential for controlling light in nanoscale photonic devices. (C) 2013 Optical Society of America

Journal Title

Optics Letters

Volume

38

Issue/Number

13

Publication Date

1-1-2013

Document Type

Article

Language

English

First Page

2209

Last Page

2211

WOS Identifier

WOS:000321262500017

ISSN

0146-9592

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