Precise, reproducible nano-domain engineering in lithium niobate crystals
- School of Electrical and Computer Engineering, RMIT University, Melbourne, Victoria 3001 (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 present a technique for domain engineering the surface of lithium niobate crystals with features as small as 100 nm. A film of chromium (Cr) is deposited on the lithium niobate surface and patterned using electron beam lithography and lift-off and then irradiated with a wide diameter beam of intense visible laser light. The regions patterned with chromium are domain inverted while the uncoated regions are not affected by the irradiation. With the ability to realize nanoscale surface domains, this technique could offer an avenue for fabrication of nano-photonic and phononic devices.
- OSTI ID:
- 22483193
- Journal Information:
- Applied Physics Letters, Vol. 107, Issue 2; Other Information: (c) 2015 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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