Limitation of effective area for large-mode-area all-solid photonic bandgap fibers

Kunimasa Saitoh

doi:10.1117/12.867213

14 October 2010 Limitation of effective area for large-mode-area all-solid photonic bandgap fibers

Kunimasa Saitoh

Proceedings Volume 7839, 2nd Workshop on Specialty Optical Fibers and Their Applications (WSOF-2); 78390R (2010) https://doi.org/10.1117/12.867213
Event: Workshop on Specialty Optical Fibers and Their Applications (WSOF-10), 2010, Oaxaca, Mexico

Abstract

The bending characteristics of all-solid photonic bandgap fibers (AS-PBGFs) are investigated for aiming to achieve large mode area (LMA) and effectively single-mode operation with a practically allowable bending radius for Yb-doped fiber applications. Through detailed numerical simulations, the impacts of the order of photonic bandgap (PBG) on the bending performance are evaluated and the limitation of core-size enlargement due to bending loss (BL) increase in the AS-PBGFs with a one-cell core structure is pointed out. In addition, it is found that the AS-PBGFs having a seven-cell core can achieve sufficient differential BL between the fundamental mode (FM) and the higher-order modes (HOMs) and a much larger effective area limit as compared with previously-reported index-guiding LMA fibers, by taking into account practical constraints.

Citation Download Citation

Kunimasa Saitoh "Limitation of effective area for large-mode-area all-solid photonic bandgap fibers", Proc. SPIE 7839, 2nd Workshop on Specialty Optical Fibers and Their Applications (WSOF-2), 78390R (14 October 2010); https://doi.org/10.1117/12.867213

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