Experimental Demonstration of Guiding and Bending of Electromagnetic Waves in a Photonic Crystal

The routing and interconnection of optical signals through narrow channels and around sharp corners are important for large-scale all-optical circuit applications. A recent computational result suggests that photonic crystals may offer a novel way of achieving this goal by providing a mechanism for...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1998-10, Vol.282 (5387), p.274-276
Main Authors: Lin, Shawn-Yu, Chow, Edmund, Hietala, Vince, Villeneuve, Pierre R., Joannopoulos, J. D.
Format: Article
Language:English
Subjects:
Amplitude
Bending
Crystallography
Crystals
Dielectric materials
Dielectric waveguides
Electric waves
Electromagnetic radiation
Electromagnetic waves
Electromagnetism
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Light
Optical materials
Optics
Photonic bandgap materials
Photonics
Physics
Transmission efficiency
Wave optics
Wave propagation, transmission and absorption
Waveguides
Wavelengths
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Summary:The routing and interconnection of optical signals through narrow channels and around sharp corners are important for large-scale all-optical circuit applications. A recent computational result suggests that photonic crystals may offer a novel way of achieving this goal by providing a mechanism for guiding light that is fundamentally different from traditional index guiding. Waveguiding in a photonic crystal and near 100 percent transmission of electromagnetic waves around sharp 90 degree corners were observed experimentally. Bending radii were made smaller than one wavelength.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.282.5387.274