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

    Authors

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

    Comments

    Authors: contact us about adding a copy of your work at [email protected]

    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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