Optical fiber element and method for imparting non-reciprocity of light using the same
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United States of America Patent
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May 11, 2010
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May 9, 2006
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May 30, 2005
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Abstract
The present invention provides a rare earth element-doped optical fiber amplifier having a function which allows to omit an optical isolator component, and a method for providing the optical non-reciprocity using the same. In the optical fiber, the optical fiber matrix material is a ferroelectric solid state material, and the ferroelectric solid state material is doped by a rare earth element such as erbium (Er) or thulium (Tm). The optical fiber is characterized by an optical amplification function and an optical non-reciprocity function.
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