Ultraviolet laser-induced poling inhibition produces bulk domains in MgO-doped lithium niobate crystals
- School of Electrical and Computer Engineering, RMIT University, Melbourne, Victoria 3001 (Australia)
- Faculty of Science, Engineering and Technology, Swinburne University of Technology, Hawthorn, Victoria 3122 (Australia)
- Optoelectronics Research Centre, University of Southampton, Highfield, Southampton SO17 1BJ (United Kingdom)
- Institute of Physics, University of Bonn, Wegelerstr. 8, 53115 Bonn (Germany)
We report the realization of high-resolution bulk domains achieved using a shallow, structured, domain inverted surface template obtained by UV laser-induced poling inhibition in MgO-doped lithium niobate. The quality of the obtained bulk domains is compared to those of the template and their application for second harmonic generation is demonstrated. The present method enables domain structures with a period length as small as 3 μm to be achieved. Furthermore, we propose a potential physical mechanism that leads to the transformation of the surface template into bulk domains.
- OSTI ID:
- 22311353
- Journal Information:
- Applied Physics Letters, Vol. 105, Issue 9; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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