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Optical Engineering

Expanded single-mode fiber using graded index multimode fiber
Author(s): Philippe Chanclou; C. Kaczmarek; G. Mouzer; Philippe Gravey; M. Thual; M. A. Lecollinet; P. Rochard
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Paper Abstract

A compact large Gaussian mode field diameter single-mode fiber is developed. This expanded single-mode fiber consists of splicing fibers with various lengths and characteristics. The principle of this optical arrangement is to excite the first mode of propagation of the multimode graded index to preserve a Gaussian field. The coupling properties are numerically analyzed, considering the effects of gap, radial offset, and tilt. The fiber connections loss between the same kinds of expanded single-mode fibers with a Gaussian mode field diameter of 18 μm is measured with an average of 0.55 dB. This large mode field diameter is preserved on a long length of fiber >20 cm.

Paper Details

Date Published: 1 July 2004
PDF: 9 pages
Opt. Eng. 43(7) doi: 10.1117/1.1689335
Published in: Optical Engineering Volume 43, Issue 7
Show Author Affiliations
Philippe Chanclou, Ecole Nationale Superieure des Telecommunications (France)
C. Kaczmarek, Optogone (France)
G. Mouzer, Optogone (France)
Philippe Gravey, Optogone (France)
M. Thual, Ecole Nationale Superieur de Sciences Appliquees (France)
M. A. Lecollinet, Ecole Nationale Superieur de Sciences Appliquees (France)
P. Rochard, Ecole Nationale Superieur de Sciences Appliquees (France)

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