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Applied Physics Letters / Volume 86 / Issue 8 / LASERS, OPTICS, AND OPTOELECTRONICS

Appl. Phys. Lett. 86, 081110 (2005); http://dx.doi.org/10.1063/1.1870133 (3 pages)

Engineering of directional emission from photonic-crystal waveguides

Steven K. Morrison and Yuri S. Kivshar

Nonlinear Physics Centre and Centre for Ultra-high Bandwidth Devices for Optical Systems (CUDOS), Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT 0200, Australia

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(Received 4 October 2004; accepted 6 January 2005; published online 18 February 2005)

We analyze, by the finite-difference time-domain numerical method, different ways to enhance the directional emission from photonic-crystal waveguides through the recently predicted beaming effect. We demonstrate that the substantial enhancement of the light emission can be achieved by adjusting the input wavelength, using a positive surface corrugation, increasing the refractive index of the surface layer, and inducing a near-surface mode.

© 2005 American Institute of Physics

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KEYWORDS and PACS

Keywords

photonic crystals, refractive index, finite difference time-domain analysis, optical waveguide theory

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.1870133

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.
    E. Moreno, F. J. García-Vidal, and L. Martín-Moreno, Phys. Rev. B 69, 121402(R) (2004).

    P. Kramper, M. Agio, C. M. Soukoulis, A. Birner, F. Müller, R. B. Wehrspohn, U. Gösele, and V. Sandoghdar, Phys. Rev. Lett. 92, 113903 (2004).


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