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Raman-free nonlinear optical effects in high pressure gas-filled hollow core PCF

Azhar, M; Wong, G K L; Chang, W; Joly, N Y; Russell, P St J


The effective Kerr nonlinearity of hollow-core kagomé-style photonic crystal fiber (PCF) filled with argon gas increases to ~15% of that of bulk silica glass when the pressure is increased from 1 to 150 bar, while the zero dispersion wavelength shifts from 300 to 900 nm. The group velocity dispersion of the system is uniquely pressure-tunable over a wide range while avoiding Raman scattering-absent in noble gases-and having an extremely high optical damage threshold. As a result, detailed and...[Show more]

CollectionsANU Research Publications
Date published: 2013-02-25
Type: Journal article
Source: Optics express
DOI: 10.1364/OE.21.004405
Access Rights: Open Access


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