Design guidelines and characteristics of large flattened mode photonic crystal fibers

Chujun Zhao; Dianyuan Fan; Ping Zhou; Xiahui Zeng; Guanghui Chen; Wei Mu

doi:10.1117/12.755057

6 February 2008 Design guidelines and characteristics of large flattened mode photonic crystal fibers

Chujun Zhao, Dianyuan Fan, Ping Zhou, Xiahui Zeng, Guanghui Chen, Wei Mu

Proceedings Volume 6823, High-Power Lasers and Applications IV; 68230C (2008) https://doi.org/10.1117/12.755057
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

We propose a kind of photonic crystal fiber with flat-top fundamental mode by introducing a depressed central dip into the core of the conventional index-guiding photonic crystal fiber. The design guidelines and characteristics of the large flattened mode photonic crystal fiber (LFM-PCF) are discussed in detail. By appropriate design, the effective area of the LFM-PCF can be increased by a factor of greater than 2 as compared with conventional index-guiding photonic crystal fiber with the same hole and pitch parameters. The improved effective area, single mode operation and flat-top fundamental mode output make LFM-PCF an ideal candidate to realize high power, high beam quality fiber amplifiers and lasers.

Citation Download Citation

Chujun Zhao, Dianyuan Fan, Ping Zhou, Xiahui Zeng, Guanghui Chen, and Wei Mu "Design guidelines and characteristics of large flattened mode photonic crystal fibers", Proc. SPIE 6823, High-Power Lasers and Applications IV, 68230C (6 February 2008); https://doi.org/10.1117/12.755057

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