Efficient beaming of self-collimated light from photonic crystals

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We propose a novel structure for achieving highly efficient beaming of self-collimated light from two-dimensional photonic crystals. The finite-difference time-domain simulations show that both enhanced transmission and highly directional emission of self-collimated beams from photonic crystals are achieved by using the bending and splitting of self-collimated beams in photonic crystals, and also by introducing an antireflection coating-like photonic crystal collimator to the exit surface of the structure. This structure is potentially important for highly efficient coupling of self-collimated beams from photonic crystals into conventional optical fibers and photonic crystal waveguides. (C) 2008 Optical Society of America
Publisher
Optical Soc Amer
Issue Date
2008-12
Language
English
Article Type
Article
Keywords

WAVE-GUIDES; DIRECTIONAL EMISSION; MAXWELLS EQUATIONS; TRANSMISSION; SPLITTER; BENDS

Citation

OPTICS EXPRESS, v.16, no.25, pp.20354 - 20367

ISSN
1094-4087
DOI
10.1364/OE.16.020354
URI
http://hdl.handle.net/10203/20036
Appears in Collection
PH-Journal Papers(저널논문)
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