Evaluation of the attenuation and the optical coupling between optical fibers and waveguides

S. Ghinoiu; L. A. Puscas; E. M. Rotaru; R. Galatus; N. N. Puscas

doi:10.1117/12.742123

9 May 2007 Evaluation of the attenuation and the optical coupling between optical fibers and waveguides

S. Ghinoiu, L. A. Puscas, E. M. Rotaru, R. Galatus, N. N. Puscas

Proceedings Volume 6635, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies III; 66351D (2007) https://doi.org/10.1117/12.742123
Event: Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies III, 2006, Bucharest, Romania

Abstract

In this paper we report some experimental and theoretical results concerning the characterization of the coupling between optical fibers and optical waveguides using nondestructive methods. The optical transmission method was used for the measurement of the optical attenuation in graded index profile optical fiber (&lgr;=0.63 &mgr;) and the resonator method for Ti:LiNbO₃ optical waveguides (&lgr;=1.55 &mgr;). The refractive-index profiles of optical fibers characterized by a graded index profile and Ti:LiNbO₃ optical waveguides has been determined for &lgr;=1.55 &mgr; from near field intensity measurement using a standard optical fiber as receiver. The obtained results are in good agreement with other obtained by several authors and can be used for the design of optical fiber sensors and optoelectronic integrated circuits.

Citation Download Citation

S. Ghinoiu, L. A. Puscas, E. M. Rotaru, R. Galatus, and N. N. Puscas "Evaluation of the attenuation and the optical coupling between optical fibers and waveguides", Proc. SPIE 6635, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies III, 66351D (9 May 2007); https://doi.org/10.1117/12.742123

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