Post-processing techniques for enhancing mode-coupling in long period fiber gratings

Yiping Wang

doi:10.1117/12.975113

17 October 2012 Post-processing techniques for enhancing mode-coupling in long period fiber gratings

Yiping Wang

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84214W (2012) https://doi.org/10.1117/12.975113
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

Two promising post-processing techniques, i.e. applying tensile strain and rising temperature, are demonstrated to enhance mode-coupling efficiency in the CO₂-laser-carved long period fiber grating with periodic grooves. Such two post-processing techniques can be used to enhance the resonant attenuation of the grating to achieve a LPFG-based filter with an extremely large attenuation and to tailor the transmission spectrum of the grating to exactly equalize the gain of erbium-doped fiber amplifiers.

Citation Download Citation

Yiping Wang "Post-processing techniques for enhancing mode-coupling in long period fiber gratings", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84214W (17 October 2012); https://doi.org/10.1117/12.975113

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