Nano-scale ultraviolet laser-induced ferroelectric surface domains in lithium niobate
- Valdivia, C.E.
- Sones, Collin
- Scott, J.G.
- Mailis, Sakellaris
- Eason, R.W.
- Scrymgeour, D.A.
- Gopalan, V.
- Clark, I.
Publication date
January 2005
DOI Publisher
Institute of Electrical and Electronics Engineers (IEEE)Abstract
Microstructuring of ferroelectric domain patterns is necessary to achieve quasi-phase-matching (QPM) in nonlinear crystals for efficient frequency conversion. The preferred method for engineering the domain structure in lithium niobate is currently electric field poling, where a lithographically-defined electrode pattern on a z crystalline face delivers a large electric field in excess of the coercive field, forming a spatially selective domain-inverted pattern within the crystal
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