Nanoimprinting and tapering of chalcogenide photonic crystal fibers for cascaded supercontinuum generation

Christian R. Petersen; Mikkel B. Lotz; Getinet Woyessa; Amar N. Ghosh; Thibaut Sylvestre; Laurent Brilland; Johann Troles; Mogens H. Jakobsen; Rafael Taboryski; Ole Bang

doi:10.1364/OL.44.005505

Nanoimprinting and tapering of chalcogenide photonic crystal fibers for cascaded supercontinuum generation

Christian R. Petersen, Mikkel B. Lotz, Getinet Woyessa, Amar N. Ghosh, Thibaut Sylvestre, Laurent Brilland, Johann Troles, Mogens H. Jakobsen, Rafael Taboryski, Ole Bang

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Abstract

Improved long-wavelength transmission and supercontinuum (SC) generation is demonstrated by antireflective (AR) nanoimprinting and tapering of chalcogenide photonic crystal fibers (PCFs). Using a SC source input spanning from 1 to 4.2 μm, the total transmission of a 15 μm core diameter PCF was improved from ∼53% to ∼74% by nanoimprinting of AR structures on both input and output facets of the fiber. Through a combined effect of reduced reflection and redshifting of the spectrum to 5 μm, the relative transmission of light >3.5 μm in the same fiber was increased by 60.2%. Further extension of the spectrum to 8 μm was achieved using tapered fibers. The spectral broadening dynamics and output power were investigated using different taper parameters and pulse repetition rates.

Original language	English
Journal	Optics Letters
Volume	44
Issue number	22
Pages (from-to)	5505-5508
ISSN	0146-9592
DOIs	https://doi.org/10.1364/OL.44.005505
Publication status	Published - 15 Nov 2019

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title = "Nanoimprinting and tapering of chalcogenide photonic crystal fibers for cascaded supercontinuum generation",

abstract = "Improved long-wavelength transmission and supercontinuum (SC) generation is demonstrated by antireflective (AR) nanoimprinting and tapering of chalcogenide photonic crystal fibers (PCFs). Using a SC source input spanning from 1 to 4.2 μm, the total transmission of a 15 μm core diameter PCF was improved from ∼53% to ∼74% by nanoimprinting of AR structures on both input and output facets of the fiber. Through a combined effect of reduced reflection and redshifting of the spectrum to 5 μm, the relative transmission of light >3.5 μm in the same fiber was increased by 60.2%. Further extension of the spectrum to 8 μm was achieved using tapered fibers. The spectral broadening dynamics and output power were investigated using different taper parameters and pulse repetition rates.",

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T1 - Nanoimprinting and tapering of chalcogenide photonic crystal fibers for cascaded supercontinuum generation

AU - Petersen, Christian R.

AU - Lotz, Mikkel B.

AU - Woyessa, Getinet

AU - Ghosh, Amar N.

AU - Sylvestre, Thibaut

AU - Brilland, Laurent

AU - Troles, Johann

AU - Jakobsen, Mogens H.

AU - Taboryski, Rafael

AU - Bang, Ole

PY - 2019/11/15

Y1 - 2019/11/15

N2 - Improved long-wavelength transmission and supercontinuum (SC) generation is demonstrated by antireflective (AR) nanoimprinting and tapering of chalcogenide photonic crystal fibers (PCFs). Using a SC source input spanning from 1 to 4.2 μm, the total transmission of a 15 μm core diameter PCF was improved from ∼53% to ∼74% by nanoimprinting of AR structures on both input and output facets of the fiber. Through a combined effect of reduced reflection and redshifting of the spectrum to 5 μm, the relative transmission of light >3.5 μm in the same fiber was increased by 60.2%. Further extension of the spectrum to 8 μm was achieved using tapered fibers. The spectral broadening dynamics and output power were investigated using different taper parameters and pulse repetition rates.

AB - Improved long-wavelength transmission and supercontinuum (SC) generation is demonstrated by antireflective (AR) nanoimprinting and tapering of chalcogenide photonic crystal fibers (PCFs). Using a SC source input spanning from 1 to 4.2 μm, the total transmission of a 15 μm core diameter PCF was improved from ∼53% to ∼74% by nanoimprinting of AR structures on both input and output facets of the fiber. Through a combined effect of reduced reflection and redshifting of the spectrum to 5 μm, the relative transmission of light >3.5 μm in the same fiber was increased by 60.2%. Further extension of the spectrum to 8 μm was achieved using tapered fibers. The spectral broadening dynamics and output power were investigated using different taper parameters and pulse repetition rates.

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JO - Optics Letters

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Nanoimprinting and tapering of chalcogenide photonic crystal fibers for cascaded supercontinuum generation

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