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Applied Physics Letters / Volume 97 / Issue 5 / NANOSCALE SCIENCE AND DESIGN

Appl. Phys. Lett. 97, 053108 (2010); http://dx.doi.org/10.1063/1.3476349 (3 pages)

Switching capability of double-sided grating with horizontal shift

Hideo Iizuka1, Nader Engheta2, Hisayoshi Fujikawa3, Kazuo Sato3, and Yasuhiko Takeda3

1Toyota Research Institute, Toyota Motor Engineering and Manufacturing North America, Ann Arbor, Michigan 48105, USA
2Department of Electrical and Systems Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
3Toyota Central Research and Development Laboratories, Nagakute, Aichi 480 1192, Japan

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(Received 6 June 2010; accepted 18 July 2010; published online 4 August 2010)

A TiO2 grating beam splitter on the SiO2 layer is designed using the modal analysis. Normal incident light couples to the −1st/+1st-order transmission diffraction with a 49.6% efficiency for each and with a 50° refraction angle that is larger than the critical angle for the SiO2-air interface. The SiO2 interlayer is sandwiched between the two gratings. The finite-integration-technique investigation shows its switching capability due to the quarter-period shift between the gratings, with the zeroth-order transmission smaller than 5% for the “off” state and larger than 95% for the “on” state from 553 to 654 nm wavelength regime.

© 2010 American Institute of Physics

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KEYWORDS and PACS

Keywords

diffraction gratings, modal analysis, optical beam splitters

PACS

  • 42.79.Fm

    Reflectors, beam splitters, and deflectors

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3476349

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    R. Magnusson and S. S. Wang, Appl. Phys. Lett. 61, 1022 (1992)APPLAB000061000009001022000001.

    C. Eisele, C. E. Nebel, and M. Stutzman, J. Appl. Phys. 89, 7722 (2001)JAPIAU000089000012007722000001.

    P. Sheng, R. S. Stepleman, and P. N. Sanda, Phys. Rev. B 26, 2907 (1982).


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