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T113
May 28, 14:40 – 15:10
Topic: “Novel Single-End PMD Measurements of
Installed Fibers by Random Polarization
Scrambling and Tunable OTDR”
Speaker: Dr Andre Girard, Senior Member of
Technical Staff, EXFO
Abstract
We describe a new PMD measurement method for
testing, from a single end, a field-installed
cabled fiber. The method is based on the use of
a polarization-sensitive tunable OTDR. The
method can be used in the context of two
different applications for PMD range of
~0.05-30ps. In the first measurement
application, the total fiber PMD is determined
from the OTDR pulses reflected from the far end
of the fiber under test (FUT). The reflection
can simply come from the FUT open-end at up to
~120km. In the second measurement application,
the cumulative PMD along the fiber length
(≤60km) is determined in a similar manner, but
this time, by detecting the distributed Rayleigh
backscattering. A key common aspect of the
method is the detection of reflected (1st
application) or back-scattered (2nd application)
light at pairs of closely-spaced wavelengths,
each pair having distinct random input/output
states of polarization over a wide spectral
range. Speaker Biography
Dr. Andre Girard is responsible at EXFO for
international standards. He is Canada delegate
at the ITU-T and President of Canada National
Committee for IEC on Fiber Optics and chairs an
IEC international working group on Passive
Components. He has received the IEC 1906 Award
for exceptional contributions in international
standards. He is a member of TIA on Fiber
Optics. Since 1994, he has given seminars and
conference presentations, wrote technical
papers, and books “Guide to WDM Technology and
Testing” (1998, 2000), “FTTx PON Guide” (2004,
2005), “FTTx PON Technology and Testing” (2006)
and “FTTx PON” 技术与测试 (2007); he also wrote Fiber
Characteristics chapter in Elsevier’s 2004
Encyclopedia of Modern Optics. He received a
Post-Doctorate at Laval University Centre of
Optics, Photonics and Lasers (COPL), Ph.D. and
M.Sc. from Quebec National Scientific Research
Institute and B.Sc. in physics from Laval
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