Materials, Photonic Devices, and Sensors

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

[+] Author Affiliations
Ruiyun He, Feng Chen

Shandong University, School of Physics and State Key Laboratory of Crystal Materials, 27 Shanda Nanlu, Jinan 250100, Shandong Province, China

Sudheer Kumar Vanga, Andrew A. Bettiol

National University of Singapore, Centre for Ion Beam Applications, Department of Physics, Blk S13-02-15, 2 Science Dr 3, Singapore 117542, Singapore

Opt. Eng. 54(5), 057108 (May 28, 2015). doi:10.1117/1.OE.54.5.057108
History: Received March 25, 2015; Accepted May 4, 2015
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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, 1.31μm and 1.55μm, 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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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

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", Opt. Eng. 54(5), 057108 (May 28, 2015). ; http://dx.doi.org/10.1117/1.OE.54.5.057108


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