Proton-exchanged optical waveguides in Z-cut LiNbO3, using toluic acid

K. K. Loi; E. Y B Pun; P. S. Chung

doi:10.1049/el:19920345

Proton-exchanged optical waveguides in Z-cut LiNbO₃, using toluic acid

K. K. Loi
, E. Y B Pun
, P. S. Chung

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

2 Citations (Scopus)

Abstract

Proton-exchanged planar waveguides were demonstrated in Z-cut LiNbO₃ using toluic acid as a new organic proton source. These waveguides exhibit a propagation loss of around 1 dB/cm, and a step refractive index profile with an index increase of 0.124 measured at 0.663 μm. The diffusion rate was found to be lower than those obtained using the popular benzoic and phosphoric acids.

© The Institution of Electrical Engineers

Original language	English
Pages (from-to)	546-548
Journal	Electronics Letters
Volume	28
Issue number	6
Online published	1 Mar 1992
DOIs	https://doi.org/10.1049/el:19920345
Publication status	Published - 12 Mar 1992
Externally published	Yes

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title = "Proton-exchanged optical waveguides in Z-cut LiNbO3, using toluic acid",

abstract = "Proton-exchanged planar waveguides were demonstrated in Z-cut LiNbO3 using toluic acid as a new organic proton source. These waveguides exhibit a propagation loss of around 1 dB/cm, and a step refractive index profile with an index increase of 0.124 measured at 0.663 μm. The diffusion rate was found to be lower than those obtained using the popular benzoic and phosphoric acids. {\textcopyright} The Institution of Electrical Engineers",

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AU - Loi, K. K.

AU - Pun, E. Y B

AU - Chung, P. S.

PY - 1992/3/12

Y1 - 1992/3/12

N2 - Proton-exchanged planar waveguides were demonstrated in Z-cut LiNbO3 using toluic acid as a new organic proton source. These waveguides exhibit a propagation loss of around 1 dB/cm, and a step refractive index profile with an index increase of 0.124 measured at 0.663 μm. The diffusion rate was found to be lower than those obtained using the popular benzoic and phosphoric acids. © The Institution of Electrical Engineers

AB - Proton-exchanged planar waveguides were demonstrated in Z-cut LiNbO3 using toluic acid as a new organic proton source. These waveguides exhibit a propagation loss of around 1 dB/cm, and a step refractive index profile with an index increase of 0.124 measured at 0.663 μm. The diffusion rate was found to be lower than those obtained using the popular benzoic and phosphoric acids. © The Institution of Electrical Engineers

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DO - 10.1049/el:19920345

M3 - RGC 21 - Publication in refereed journal

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JO - Electronics Letters

JF - Electronics Letters

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