Focused ion-beam writing of channel waveguides in bismuth germanate crystal for telecommunication bands

Ruiyun He; Sudheer Kumar Vanga; Andrew A. Bettiol; Feng Chen

doi:10.1117/1.OE.54.5.057108

28 May 2015 Focused ion-beam writing of channel waveguides in bismuth germanate crystal for telecommunication bands

Ruiyun He, Sudheer Kumar Vanga, Andrew A. Bettiol, Feng Chen

Author Affiliations +

Optical Engineering, Vol. 54, Issue 5, 057108 (May 2015). https://doi.org/10.1117/1.OE.54.5.057108

Abstract

We report on the fabrication of channel waveguides in bismuth germanate (BGO) crystal using focused ion-beam writing. 1 and 2 MeV He⁺ ions with different fluences are utilized to directly write waveguides in BGO crystal. The guiding properties of the BGO waveguides are explored at the wavelengths of 632.8 nm, 1.31 μm and 1.55 μm, showing that the channel waveguides support light guidance from visible to telecommunication bands along both transverse-electric and transverse-magnetic polarizations.

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Ruiyun He, Sudheer Kumar Vanga, Andrew A. Bettiol, and Feng Chen "Focused ion-beam writing of channel waveguides in bismuth germanate crystal for telecommunication bands," Optical Engineering 54(5), 057108 (28 May 2015). https://doi.org/10.1117/1.OE.54.5.057108

Published: 28 May 2015

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