Waveguides in single-crystal lithium niobate thin film by proton exchange.

Abstract

The proton exchanged (PE) planar and channel waveguides in a 500 nm thick single-crystal lithium niobate thin film (lithium niobate on insulator, LNOI) were studied. The mature PE technique and strong confinement of light in the LN single-crystal thin film were used. The single mode and cut-off conditions of the channel waveguides were obtained by finite… (More)
DOI: 10.1364/OE.23.001240

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