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A novel opinion about the coupling loss between single mode fibers and waveguides

GUOFANG FAN1,* , JIPING NING1, LIANJU SHANG1, QUN HAN1, ZHIQIANG CHEN1

Affiliation

  1. College of Precision Instrument and Optoelectronics Engineering, and Optoelectronic Information Science and Technology Laboratory, the State Ministry of Education, Tianjin University, 300072, Tianjin

Abstract

A detailed analysis is presented, about the coupling loss dependence on the waveguide mode eccentricity and symmetry between single-mode fibers and waveguides. A new conclusion is obtained that more symmetric waveguide mode leads to lower coupling loss, but less eccentric waveguide mode does not always mean low coupling loss, which depends on the waveguide mode depth..

Keywords

The waveguide mode eccentricity, The waveguide mode symmetry, The coupling loss, The waveguide mode depth.

Submitted at: Aug. 15, 2006
Accepted at: Sept. 13, 2006

Citation

GUOFANG FAN, JIPING NING, LIANJU SHANG, QUN HAN, ZHIQIANG CHEN, A novel opinion about the coupling loss between single mode fibers and waveguides, Journal of Optoelectronics and Advanced Materials Vol. 8, Iss. 5, pp. 1912-1914 (2006)