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Opt Lett. 2008 Apr 15;33(8):845-7.

Hollow-core photonic bandgap fiber polarizer.

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  • 1Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong, China.


Broadband, compact in-fiber polarizers were fabricated using a pulsed CO(2) laser to modify the air holes along one side of the hollow-core photonic bandgap fibers. The polarizers have lengths from 3 to 6 mm and exhibit a polarization extinction ratio of better than 20 dB over a wavelength range larger than 100 nm at approximately 1,550 nm.

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