Journal
JOURNAL OF APPLIED PHYSICS
Volume 110, Issue 7, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3647770
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- Photline Technologies
- Conseil Regional de Franche-Comte [74SB]
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We report the characterization of a lithium niobate photonic crystal cavity using near field scanning optical microscopy (NSOM) operating in collection scanning mode. The cavity is implemented on an annealed proton exchange waveguide by focused ion beam milling. We observe a confinement of the optical field at the center of the cavity by analyzing the collected light with a probe positioned above the photonic structure. The experimental NSOM results obtained are compared to numerical results obtained by finite difference time domain method. A good agreement is obtained between theoretical and experimental results where a cavity mode appears around lambda = 1540 nm. (c) 2011 American Institute of Physics. [doi: 10.1063/1.3647770]
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