Nano Archive

High-order waveguide modes in ZnO nanowires

Voss, Tobias and Svacha, Geoffry T. and Mazur, Eric and Mueller, Sven and Ronning, Carsten and Konjhodzic, Denan and Marlow, Frank (2007) High-order waveguide modes in ZnO nanowires. NANO LETTERS, 7 (12). pp. 3675-3680.

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We use tapered silica fibers to inject laser light into ZnO nanowires with diameters around 250 nm to study their waveguiding properties. We find that high-order waveguide modes are frequently excited and carry significant intensity at the wire surface. Numerical simulations reproduce the experimental observations and indicate a coupling efficiency between silica and ZnO nanowires of 50%. Experimentally, we find an emission angle from the ZnO nanowires of about 90 degrees, which is in agreement with the simulations.

Item Type:Article
Subjects:Physical Science > Nano objects
Material Science > Nanostructured materials
Physical Science > Photonics
ID Code:1867
Deposited By:Farnush Anwar
Deposited On:16 Dec 2008 16:52
Last Modified:16 Dec 2008 16:52

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