Precise, reproducible nano-domain engineering in lithium niobate crystals

Andreas Boes, Vijay Sivan, Guanghui Ren, Didit Yudistira, Sakellaris Mailis, Elisabeth Soergel, Arnan Mitchell

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


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.

Original languageEnglish
Article number022901
JournalApplied Physics Letters
Issue number2
Publication statusPublished - 13 Jul 2015
Externally publishedYes


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