Design and fabrication of hollow-core photonic crystal fibers for high-power ultrashort pulse transportation and pulse compression

Y. Y. Wang, Xiang Peng, M. Alharbi, C. Fourcade Dutin, T. D. Bradley, F. Gérôme, Michael Mielke, Timothy Booth, F. Benabid

Research output: Contribution to journalArticlepeer-review

95 Citations (Scopus)
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Abstract

We report on the recent design and fabrication of kagome-type hollow-core photonic crystal fibers for the purpose of high-power ultrashort pulse transportation. The fabricated seven-cell three-ring hypocycloid-shaped large core fiber exhibits an up-to-date lowest attenuation (among all kagome fibers) of 40  dB/km over a broadband transmission centered at 1500 nm. We show that the large core size, low attenuation, broadband transmission, single-mode guidance, and low dispersion make it an ideal host for high-power laser beam transportation. By filling the fiber with helium gas, a 74 μJ, 850 fs, and 40 kHz repetition rate ultrashort pulse at 1550 nm has been faithfully delivered at the fiber output with little propagation pulse distortion. Compression of a 105 μJ laser pulse from 850 fs down to 300 fs has been achieved by operating the fiber in ambient air.
Original languageEnglish
Pages (from-to)3111-3113
JournalOptics Letters
Volume37
Issue number15
DOIs
Publication statusPublished - 1 Aug 2012

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