Characterization of Er3+:Ti:LiNbO3 and Ti:LiNbO3 optical waveguides using near-field measurements

G. C. Vasile; N. N. Puscas

doi:10.1117/12.881683

3 December 2010 Characterization of Er³⁺ :Ti:LiNbO₃ and Ti:LiNbO₃ optical waveguides using near-field measurements

G. C. Vasile, N. N. Puscas

Proceedings Volume 7821, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies V; 78210Q (2010) https://doi.org/10.1117/12.881683
Event: Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies, 2010, Constanta, Romania

Abstract

In this paper we report some experimental and theoretical results concerning the characterization of the Er ³⁺ :Ti:LiNbO₃ and Ti:LiNbO₃ optical waveguides using the near-field measurements at 1540 nm wavelength. The near-field measurements have been performed using a standard fibre probe for the scanning of the waveguide transversal section, but also an infrared vidicon camera. Using the Helmholtz scalar equation and a deconvolution procedure we evaluated some parameters which characterize Er ³⁺ :Ti:LiNbO₃ waveguides: the refractive-index difference and the penetration depth. Also, we evaluated the coupling loss coefficients between a standard optical fibre and Ti:LiNbO₃ and Er ³⁺ :Ti:LiNbO₃ optical waveguides for λ =1.54 μm.

Citation Download Citation

G. C. Vasile and N. N. Puscas "Characterization of Er³⁺ :Ti:LiNbO₃ and Ti:LiNbO₃ optical waveguides using near-field measurements", Proc. SPIE 7821, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies V, 78210Q (3 December 2010); https://doi.org/10.1117/12.881683

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KEYWORDS

Waveguides

Near field

Erbium

Infrared cameras

Cameras

Optical fibers

Waveguide modes

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