Journal
OPTICS EXPRESS
Volume 16, Issue 25, Pages 20354-20367Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.16.020354
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- Basic Research Program of KAIST
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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
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