Chang, WHölzer, PTravers, J CRussell, P St J2016-05-112016-05-110146-9592http://hdl.handle.net/1885/101207We numerically investigate self-frequency blueshifting of a fundamental soliton in a gas-filled hollow-core photonic crystal fiber. Because of the changing underlying soliton parameters, the blueshift gives rise to adiabatic soliton compression. Based on these features, we propose a device that enables frequency shifting over an octave and pulse compression from 30 fs down to 2.3 fs.W. Chang is supported by the Australian Research Council (DE130101432).© 2013 Optical Society of America. Publisher permission to archive the version was granted via email on 13/05/2015.time factorsgasesoptical fibersphotons2013-08-1510.1364/OL.38.0029842016-06-14