Journal
OPTICS COMMUNICATIONS
Volume 265, Issue 1, Pages 180-186Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optcom.2006.03.042
Keywords
lithium niobate photonic crystal; SNOM; waveguides
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In this paper, we experimentally investigate photonic crystal waveguides in a X-cut lithium niobate substrate. The transmission response is measured through the Gamma M direction of a triangular lattice structure and the results coincide with the theoretical predictions. In addition, a scanning near-field microscope is used in collection mode to map the optical intensity distribution inside the structure putting in evidence the guiding of the light through lines of defects. This study offers perspectives towards lithium niobate tunable photonic crystal devices. (c) 2006 Elsevier B.V. All rights reserved.
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