Ultraviolet-extended flat supercontinuum generation in seven-core photonic crystal fiber

Nan Wang; Sheng-Ping Chen; Xue Qi; Li-Jia Yang; Jing Hou

doi:10.1117/1.OE.57.2.026110

15 February 2018 Ultraviolet-extended flat supercontinuum generation in seven-core photonic crystal fiber

Nan Wang, Sheng-Ping Chen, Xue Qi, Li-Jia Yang, Jing Hou

Author Affiliations +

Optical Engineering, Vol. 57, Issue 2, 026110 (February 2018). https://doi.org/10.1117/1.OE.57.2.026110

Abstract

We report the experimental results of ultraviolet-extended broadband supercontinuum (SC) generation in a carefully designed uniform seven-core photonic crystal fiber (PCF) pumped by Ti:sapphire femtosecond laser at 800 nm. Three different PCFs of various core diameters are fabricated to achieve group-velocity matching for ultraviolet components. A wide optical spectrum spanning down to 350 nm is obtained, which is the shortest wavelength SC generation in multicore PCF to date. High spectral flatness (10 dB) has been achieved in the entire visible window.

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Nan Wang, Sheng-Ping Chen, Xue Qi, Li-Jia Yang, and Jing Hou "Ultraviolet-extended flat supercontinuum generation in seven-core photonic crystal fiber," Optical Engineering 57(2), 026110 (15 February 2018). https://doi.org/10.1117/1.OE.57.2.026110

Received: 22 July 2017; Accepted: 24 January 2018; Published: 15 February 2018

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KEYWORDS

Solitons

Photonic crystal fibers

Supercontinuum generation

Ultraviolet radiation

Visible radiation

Optical engineering

Scanning electron microscopy

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