Abstract

A novel in-fiber polarizer based on a long-period fiber grating (LPFG) is written by using a focused CO2 laser beam to notch a photonic crystal fiber periodically. Such a polarizer exhibits a high polarization extinction ratio of more than 20dB over a wide wavelength range of 11nm near 1550nm and a very low temperature sensitivity of 3.9pm°C, which overcomes the disadvantages of the temperature sensitivity of other in-fiber polarizers created on conventional single-mode fiber.

© 2007 Optical Society of America

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