Abstract
Single-polarization fiber amplifiers (SPFAs) are needed for numerous polarization sensitive fiberoptic applications. In single-frequency ring lasers and passively modelocked fiber lasers, an SPFA is required to eliminate polarization-mode competition1 and dispersion,2 respectively. Single-polarization (SP) sources are also needed for modulators, fiber optic gyros, and interferometric sensors. Limiting a source to a single polarization increases the stability and predictability of source characteristics, and therefore, non-PM transmission systems require sources built of PM components.
© 1992 Optical Society of America
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