Thermal stability of a slab waveguide implemented by α particles implantation in potassium lithium tantalate niobate

Alexander Gumennik; Aharon J. Agranat; Igal Shachar; Michael Hass

doi:10.1063/1.2147723

Thermal stability of a slab waveguide implemented by α particles implantation in potassium lithium tantalate niobate

Alexander Gumennik^*, Aharon J. Agranat, Igal Shachar, Michael Hass

^*Corresponding author for this work

Department of Applied Physics

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

A slab waveguide was fabricated in a potassium lithium tantalate niobate crystal by the implantation of He2+ ions at 2.26 MeV. The waveguide profile and loss were evaluated by measuring the dark mode TE spectrum using the prism coupling method at λ=1.3 μm. The implantation generated amorphous cladding layer 5 μm below the surface of the crystal with a refractive index lower by 3.9% then that of the substrate. The propagation loss of the waveguided modes was found to be 0.1-0.2 dBcm. Thermal stability of the waveguide was obtained by isothermal annealing at 351 and 446 °C. Following the annealing the waveguide index profile remained unchanged when subjected to annealing at 150 °C for one week.

Original language	English
Article number	251917
Pages (from-to)	1-3
Number of pages	3
Journal	Applied Physics Letters
Volume	87
Issue number	25
DOIs	https://doi.org/10.1063/1.2147723
State	Published - 2005

Bibliographical note

Funding Information:
This research was supported in part by Grant No. 2002341 from the United States-Israel Binational Science Foundation (BSF), Jerusalem, Israel.

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abstract = "A slab waveguide was fabricated in a potassium lithium tantalate niobate crystal by the implantation of He2+ ions at 2.26 MeV. The waveguide profile and loss were evaluated by measuring the dark mode TE spectrum using the prism coupling method at λ=1.3 μm. The implantation generated amorphous cladding layer 5 μm below the surface of the crystal with a refractive index lower by 3.9% then that of the substrate. The propagation loss of the waveguided modes was found to be 0.1-0.2 dBcm. Thermal stability of the waveguide was obtained by isothermal annealing at 351 and 446 °C. Following the annealing the waveguide index profile remained unchanged when subjected to annealing at 150 °C for one week.",

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AU - Gumennik, Alexander

AU - Agranat, Aharon J.

AU - Shachar, Igal

AU - Hass, Michael

N1 - Funding Information: This research was supported in part by Grant No. 2002341 from the United States-Israel Binational Science Foundation (BSF), Jerusalem, Israel.

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AB - A slab waveguide was fabricated in a potassium lithium tantalate niobate crystal by the implantation of He2+ ions at 2.26 MeV. The waveguide profile and loss were evaluated by measuring the dark mode TE spectrum using the prism coupling method at λ=1.3 μm. The implantation generated amorphous cladding layer 5 μm below the surface of the crystal with a refractive index lower by 3.9% then that of the substrate. The propagation loss of the waveguided modes was found to be 0.1-0.2 dBcm. Thermal stability of the waveguide was obtained by isothermal annealing at 351 and 446 °C. Following the annealing the waveguide index profile remained unchanged when subjected to annealing at 150 °C for one week.

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Thermal stability of a slab waveguide implemented by α particles implantation in potassium lithium tantalate niobate

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