Ultrashort-pulse optically-assisted domain engineering in lithium niobate
Valdivia, C.E., Sones, C.L., Mailis, S., Mills, J.D. and Eason, R.W. (2006) Ultrashort-pulse optically-assisted domain engineering in lithium niobate. Ferroelectrics, 340, 75-82. (doi:10.1080/00150190600888983).
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Ultrashort laser pulses (120-150 fs) of near-ultraviolet (305 nm) to near-infrared (800 nm) wavelengths have been used to optically-assist domain nucleation and growth in lithium niobate. Within illuminated areas, the electric field required for domain nucleation is reduced by up to 41% in undoped and up to 98% in 5-mol% Mg-doped congruently melting materials, allowing direct-writing of inverted domains with electric fields as small as 100 V mm. A first step towards the formation of optically-defined periodically poled lithium niobate was achieved by illumination via a phase mask, demonstrated over small areas with a period of 5.25 microns
|Subjects:||T Technology > TK Electrical engineering. Electronics Nuclear engineering
Q Science > QC Physics
|Divisions:||University Structure - Pre August 2011 > Optoelectronics Research Centre
|Date Deposited:||23 Jul 2007|
|Last Modified:||01 Jun 2011 09:15|
|Contributors:||Valdivia, C.E. (Author)
Sones, C.L. (Author)
Mailis, S. (Author)
Mills, J.D. (Author)
Eason, R.W. (Author)
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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