Periodically segmented waveguides in Ti:LiNbO3

D. Nir, Z. Weissman, S. Ruschin, A. Hardy

Research output: Contribution to journalArticlepeer-review


Periodically segmented waveguides with periods of few tens of micrometers and nonconnected segments are studied experimentally in Ti:LiNbO3. The near-field patterns were found to expand with decreasing duty cycle but to be independent of the segmentation period. The measured segmentation losses vary between 0.5 and 2.5 dB/cm, depending on the period and the duty cycle. These results agree with a simple numerical model, based on two loss mechanisms: Waveguide segmentation and surface relief related to Ti indiffusion.

Original languageEnglish
Pages (from-to)1732-1734
Number of pages3
JournalOptics Letters
Issue number21
StatePublished - 1 Nov 1994


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