Radiation damage profiles of the refractive indices of He{sup +} ion-implanted KNbO{sub 3} waveguides

Journal Article · Fri Jan 31 23:00:00 EST 1997 · Journal of Applied Physics

DOI:https://doi.org/10.1063/1.363853· OSTI ID:450216

Pliska, T; Solcia, C; Fluck, D; Guenter, P ^[1]; Beckers, L; Buchal, C ^[2]

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1. Nonlinear Optics Laboratory, Institute of Quantum Electronics, Swiss Federal Institute of Technology, ETH Hoenggerberg, CH-8093 Zuerich (Switzerland)
2. Institut fuer Schicht- und Ionentechnik, Forschungszentrum Juelich (KFA), D-52425 Juelich (Germany)

The refractive index profile of n{sub a} of ion-implanted potassium niobate (KNbO{sub 3}) planar waveguides is evaluated for waveguides fabricated with ion energies between 2.0 and 3.5 MeV and doses between 7.5{times}10{sup 14} cm{sup {minus}2} and 3.0{times}10{sup 15} cm{sup {minus}2}. The measured mode index values are fitted to a quantitative model that correlates the index profile with the irradiation parameters. The reconstructed profile of n{sub a} is compared to the profiles of n{sub b} and n{sub c} which have been determined previously. {copyright} {ital 1997 American Institute of Physics.}

• OSTI ID: 450216
• Journal Information: Journal of Applied Physics, Journal Name: Journal of Applied Physics Journal Issue: 3 Vol. 81; ISSN JAPIAU; ISSN 0021-8979
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
HARMONICS
HELIUM IONS
ION IMPLANTATION
NIOBATES
NONLINEAR OPTICS
PHYSICAL RADIATION EFFECTS
POTASSIUM COMPOUNDS
REFRACTIVE INDEX
WAVEGUIDES