Generation and characterization of frequency tunable sub-15-fs pulses in a gas-filled hollow-core fiber pumped by a Yb:KGW laser

Mohammed Sabbah; Federico Belli; Christian Brahms; Fei Yu; Jonathan Knight; John C. Travers

doi:10.1364/OL.484040

Generation and characterization of frequency tunable sub-15-fs pulses in a gas-filled hollow-core fiber pumped by a Yb:KGW laser

Mohammed Sabbah^*, Federico Belli, Christian Brahms, Fei Yu, Jonathan Knight, John C. Travers

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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Abstract

We investigate soliton self-compression and photoionization effects in an argon-filled antiresonant hollow-core photonic crystal fiber pumped with a commercial Yb:KGW laser. Before the onset of photoionization, we demonstrate self-compression of our 220 fs pump laser to 13 fs in a single and compact stage. By using the plasma driven soliton self-frequency blueshift, we also demonstrate a tunable source from 1030 to ∼700 nm. We fully characterize the compressed pulses using sum-frequency generation time-domain ptychography, experimentally revealing the full time-frequency plasma–soliton dynamics in hollow-core fiber for the first time.

Original language	English
Pages (from-to)	2277-2280
Number of pages	4
Journal	Optics Letters
Volume	48
Issue number	9
Early online date	19 Apr 2023
DOIs	https://doi.org/10.1364/OL.484040
Publication status	Published - 1 May 2023

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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title = "Generation and characterization of frequency tunable sub-15-fs pulses in a gas-filled hollow-core fiber pumped by a Yb:KGW laser",

abstract = "We investigate soliton self-compression and photoionization effects in an argon-filled antiresonant hollow-core photonic crystal fiber pumped with a commercial Yb:KGW laser. Before the onset of photoionization, we demonstrate self-compression of our 220 fs pump laser to 13 fs in a single and compact stage. By using the plasma driven soliton self-frequency blueshift, we also demonstrate a tunable source from 1030 to ∼700 nm. We fully characterize the compressed pulses using sum-frequency generation time-domain ptychography, experimentally revealing the full time-frequency plasma–soliton dynamics in hollow-core fiber for the first time.",

author = "Mohammed Sabbah and Federico Belli and Christian Brahms and Fei Yu and Jonathan Knight and Travers, \{John C.\}",

note = "Funding Information: H2020 European Research Council (679649, 899900); Royal Academy of Engineering (RF/202122/21/133); Royal Academy of Engineering (RF/202021/20/310); Engineering and Physical Sciences Research Council (EP/T020903/1). Publisher Copyright: {\textcopyright} 2023 Optica Publishing Group.",

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T1 - Generation and characterization of frequency tunable sub-15-fs pulses in a gas-filled hollow-core fiber pumped by a Yb:KGW laser

AU - Sabbah, Mohammed

AU - Belli, Federico

AU - Brahms, Christian

AU - Yu, Fei

AU - Knight, Jonathan

AU - Travers, John C.

N1 - Funding Information: H2020 European Research Council (679649, 899900); Royal Academy of Engineering (RF/202122/21/133); Royal Academy of Engineering (RF/202021/20/310); Engineering and Physical Sciences Research Council (EP/T020903/1). Publisher Copyright: © 2023 Optica Publishing Group.

PY - 2023/5/1

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N2 - We investigate soliton self-compression and photoionization effects in an argon-filled antiresonant hollow-core photonic crystal fiber pumped with a commercial Yb:KGW laser. Before the onset of photoionization, we demonstrate self-compression of our 220 fs pump laser to 13 fs in a single and compact stage. By using the plasma driven soliton self-frequency blueshift, we also demonstrate a tunable source from 1030 to ∼700 nm. We fully characterize the compressed pulses using sum-frequency generation time-domain ptychography, experimentally revealing the full time-frequency plasma–soliton dynamics in hollow-core fiber for the first time.

AB - We investigate soliton self-compression and photoionization effects in an argon-filled antiresonant hollow-core photonic crystal fiber pumped with a commercial Yb:KGW laser. Before the onset of photoionization, we demonstrate self-compression of our 220 fs pump laser to 13 fs in a single and compact stage. By using the plasma driven soliton self-frequency blueshift, we also demonstrate a tunable source from 1030 to ∼700 nm. We fully characterize the compressed pulses using sum-frequency generation time-domain ptychography, experimentally revealing the full time-frequency plasma–soliton dynamics in hollow-core fiber for the first time.

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JF - Optics Letters

IS - 9

ER -

Generation and characterization of frequency tunable sub-15-fs pulses in a gas-filled hollow-core fiber pumped by a Yb:KGW laser

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