Abstract

The work reports on the fabrication of an optical planar waveguide in the Nd:CNGG crystal by the 0.4-MeV hydrogen ion implantation with a fluence of 8.0 × 10¹⁶ ions/cm². The nuclear energy loss of the implanted hydrogen ions was derived by using SRIM 2013 code. The microscope image of the proton-implanted Nd:CNGG crystal cross section was captured by a metallographic microscope. The transmittance spectra were recorded before and after the ion implantation. The light intensity distribution of the planar waveguide at 632.8 nm was experimentally measured to validate its effect on one dimension confinement. The investigation shows that the proton-implanted Nd:CNGG waveguide is a candidate for an optoelectronic integrated device.

© 2019 Optical Society of Korea

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