Abstract
We present a method to accurately measure the group birefringence variation with temperature in high- birefringence polarization-maintaining (PM) fibers using a distributed polarization analyzer. By analyzing po larization cross-talk peaks purposely induced at both ends of a PM fiber, the temperature coefficient of group birefringence can be accurately obtained. We confirm the theoretical prediction that the group birefringence of PANDA and TIGER PM fibers decrease linearly with temperature from to , and find that the temperature coefficients are and for two types of PANDA fibers, and for a TIGER fiber.
© 2011 Optical Society of America
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