Poling-inhibited ridge waveguides in lithium niobate crystals

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Poling-inhibited ridge waveguides in lithium niobate crystals

Ultraviolet laser irradiation of a lithium niobate +z polar surface enables the production of ridge waveguides. Ultraviolet laser induced inhibition of poling is used to define an inverted domain pattern which transforms into a ridge structure by differential etching in Hydrofluoric acid. The laser irradiation step also induces a refractive index change that provides the vertical confinement wi...

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ژورنال

عنوان ژورنال: Applied Physics Letters

سال: 2010

ISSN: 0003-6951,1077-3118

DOI: 10.1063/1.3504698