Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/87967
Title: Control of ultrafast pulses in a hydrogen-filled hollow-core photonic-crystal fiber by Raman coherence
Authors: Belli, F.
Travers, J. C.
Russell, P. St. J.
Abdolvand, Amin
Keywords: Pulses
Photonic-crystal Fiber
Issue Date: 2018
Source: Belli, F., Abdolvand, A., Travers, J. C., & Russell, P. S. J. (2018). Control of ultrafast pulses in a hydrogen-filled hollow-core photonic-crystal fiber by Raman coherence. Physical Review A, 97(1), 013814-.
Series/Report no.: Physical Review A
Abstract: We present the results of an experimental and numerical investigation into temporally nonlocal coherent interactions between ultrashort pulses, mediated by Raman coherence, in a gas-filled kagome-style hollow-core photonic-crystal fiber. A pump pulse first sets up the Raman coherence, creating a refractive index spatiotemporal grating in the gas that travels at the group velocity of the pump pulse. Varying the arrival time of a second, probe, pulse allows a high degree of control over its evolution as it propagates along the fiber through the grating. Of particular interest are soliton-driven effects such as self-compression and dispersive wave (DW) emission. In the experiments reported, a DW is emitted at ∼300nm and exhibits a wiggling effect, with its central frequency oscillating periodically with pump-probe delay. The results demonstrate that a strong Raman coherence, created in a broadband guiding gas-filled kagome photonic-crystal fiber, can be used to control the nonlinear dynamics of ultrashort probe pulses, even in difficult-to-access spectral regions such as the deep and vacuum ultraviolet.
URI: https://hdl.handle.net/10356/87967
http://hdl.handle.net/10220/45569
ISSN: 2469-9926
DOI: 10.1103/PhysRevA.97.013814
Schools: School of Electrical and Electronic Engineering 
Rights: © 2018 American Physical Society. This paper was published in Physical Review A and is made available as an electronic reprint (preprint) with permission of American Physical Society. The published version is available at [http://dx.doi.org/10.1103/PhysRevA.97.013814]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law."
Fulltext Permission: open
Fulltext Availability: With Fulltext
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