TITLE

Guiding 1.5 μm light in photonic crystals based on dielectric rods

AUTHOR(S)
Assefa, Solomon; Rakich, Peter T.; Bienstman, Peter; Johnson, Steven G.; Petrich, Gale S.; Joannopoulos, John D.; Kolodziejski, Leslie A.; Ippen, Erich P.; Smith, Henry I.
PUB. DATE
December 2004
SOURCE
Applied Physics Letters;12/20/2004, Vol. 85 Issue 25, p6110
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Photonic-crystal structures consisting of dielectric rods were designed, fabricated, and optically characterized. The combination of the high refractive-index-contrast GaAs/AlxOy material system with electron-beam lithography enabled the fabrication of structures suitable for the optical propagation of 1.5 μm light. Experimental transmission spectra were obtained for structures consisting of a two-dimensional array of rods and line-defect waveguides. Optical measurements confirmed the presence of a photonic band gap, as well as band gap guidance in the line-defect waveguide. A two-stage coupling scheme facilitated efficient optical coupling into the line-defect waveguide.
ACCESSION #
15374366

 

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