CFEL-ULOCM

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2018-06-28
13:16
[PUBDB-2018-02426] Contribution to a conference proceedings/Contribution to a book
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Megawatt peak power femtosecond source at 1.3 μm based on self-phase modulation enabled spectral selection
Conference on Lasers and Electro-Optics : [Proceedings] - OSA Washington, D.C., 2018. - ISBN 978-1-943580-42-2 - doi:10.1364/CLEO_SI.2018.SM4K.4
CLEO: Science and Innovations, CLEO SI, San Jose, CaliforniaSan Jose, California, USA, 13 May 2018 - 18 May 20182018-05-132018-05-18
Washington, D.C., USA : OSA, OSA technical digest (online) 2 pp. () [10.1364/CLEO_SI.2018.SM4K.4]  GO
We demonstrate a megawatt peak power femtosecond source at 1.3 μm based on self-phase modulation enabled spectral selection by pumping optical fibers with negative group-velocity dispersion..
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2018-06-28
12:51
[PUBDB-2018-02424] Contribution to a conference proceedings/Contribution to a book
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Tightly synchronized two-color femtosecond source based on low-noise SPM-enabled spectral selection
Conference on Lasers and Electro-Optics : [Proceedings] - OSA Washington, D.C., 2018. - ISBN 978-1-943580-42-2 - doi:10.1364/CLEO_AT.2018.JTh2A.162
CLEO: Applications and Technology, CLEO QELS, San Jose, CaliforniaSan Jose, California, USA, 13 May 2018 - 18 May 20182018-05-132018-05-18
Washington, D.C., USA : OSA, OSA technical digest (online) 2 pp. () [10.1364/CLEO_AT.2018.JTh2A.162]  GO
We demonstrate that SPM-enabled spectral selection generates low noise high-energy wavelength tunable femtosecond pulses that exhibit sub-fs relative timing jitter and therefore are tightly synchronized to the source laser pulse..
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2018-06-22
14:20
[PUBDB-2018-02363] Contribution to a conference proceedings/Contribution to a book
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High power offset-free ultrafast mid-IR source harnessing SPM-enabled spectral selection
Conference on Lasers and Electro-Optics : [Proceedings] - OSA Washington, D.C., 2018. - ISBN 978-1-943580-42-2 - doi:10.1364/CLEO_SI.2018.SF1N.6
CLEO: Science and Innovations, CLEO SI, San Jose, CaliforniaSan Jose, California, USA, 13 May 2018 - 18 May 20182018-05-132018-05-18
Washington, D.C., USA : OSA, OSA technical digest (online) 2 pp. () [10.1364/CLEO_SI.2018.SF1N.6]  GO
We demonstrate a novel fiber approach for power scaling difference-frequency-generation based ultrafast mid-IR laser sources that are tunable from 7.4 μm to 16.8 μm with up to 5.3-mW average power at 9.3 μm..
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2018-06-22
13:42
OpenAccess [PUBDB-2018-02359] Contribution to a conference proceedings/Contribution to a book
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Excitation wavelength optimization of harmonic generation microscopy in human skin enabled by fiber-based femtosecond source tunable in 1.15-1.35 µm
Conference on Lasers and Electro-Optics : [Proceedings] - OSA Washington, D.C., 2018. - ISBN 978-1-943580-42-2 - doi:10.1364/CLEO_AT.2018.AM1J.2
CLEO: Applications and Technology, CLEO AT, San Jose, CaliforniaSan Jose, California, USA, 13 May 2018 - 18 May 20182018-05-132018-05-18
Washington, D.C., USA : OSA, OSA technical digest (online) 2 pp. () [10.1364/CLEO_AT.2018.AM1J.2]  GO
We demonstrate a fiber-based tunable femtosecond source covering 1.15–1.35 μm based on self-phase modulation enabled spectral selection, which allows us to optimize the excitation wavelength for harmonic generation imaging in ex vivo human skin..
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2018-06-13
16:10
Embargoed OpenAccess [PUBDB-2018-02266] Journal Article
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Energy scalable, offset-free ultrafast mid-infrared source harnessing self-phase-modulation-enabled spectral selection
Optics letters 43(12), 2953 - 2956 () [10.1364/OL.43.002953]  GO
We demonstrate a high-power offset-free ultrafast mid-infrared (IR) laser source based on difference-frequency generation (DFG). Powerful signal pulses are obtained by filtering the rightmost spectral lobe of the optical spectra broadened by fiber-optic nonlinearities dominated by self-phase modulation. [...]
Published on 2018-06-14. Available in OpenAccess from 2019-06-14.: Download fulltextPDF Download fulltextPDF (PDFA); Restricted: Download fulltextPDF Download fulltextPDF (PDFA);
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2018-03-29
13:43
OpenAccess [PUBDB-2018-01602] Journal Article
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87-W 1018-nm Yb-fiber ultrafast seeding source for cryogenic Yb:YLF amplifier
Optics letters 43(8), 1686 - 1689 () [10.1364/OL.43.001686]  GO
We demonstrate a compact and robust Yb-fiber master-oscillator power-amplifier system operating at 1018 nm with 2.5-nm bandwidth and 1-ns stretched pulse duration. It produces 87-W average power and 4.9-μJ pulse energy, constituting a powerful seed source for cryogenically cooled ultrafast Yb: yttrium lithium fluoride (Yb:YLF) amplifiers..
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2018-03-02
11:38
OpenAccess [PUBDB-2018-01356] Journal Article
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Pre-chirp managed, core-pumped nonlinear PM fiber amplifier delivering sub-100-fs and high energy (10 nJ) pulses with low noise
Optics express 26(5), 6427 - 6438 () [10.1364/OE.26.006427]  GO
We demonstrate a pre-chirp managed amplification (PCMA) system that is based on two stages of core-pumped, polarization maintaining (PM) fiber amplifiers. It produces output pulses with <65 fs duration and >10 nJ pulse energy from single-mode fibers. [...]
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2018-02-06
11:33
OpenAccess [PUBDB-2018-01075] Journal Article
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Megawatt peak power tunable femtosecond source based on self-phase modulation enabled spectral selection
Optics express 26(3), 3684-3695 () [10.1364/OE.26.003684]  GO
Wavelength widely tunable femtosecond sources can be implemented by optically filtering the leftmost/rightmost spectral lobes of a broadened spectrum due to self-phase modulation (SPM) dominated fiber-optic nonlinearities. We numerically and experimentally investigate the feasibility of implementing such a tunable source inside optical fibers with negative group-velocity dispersion (GVD). [...]
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2018-01-11
14:07
OpenAccess [PUBDB-2018-00503] Journal Article
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Generation of three-dimensional versatile vortex linear light bullets (Invited Paper)
We generate and measure the versatile vortex linear light bullet, which combines a high-order Bessel beam and an Airy pulse. This three-dimensional optical wave packet propagates without distortion in any medium, while carrying an orbital angular momentum. [...]
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2017-12-08
16:44
OpenAccess [PUBDB-2017-13100] Conference Presentation (Invited)

High Energy Waveform Synthesis
8th International Symposium on Ultrafast Photonic Technologies, ISUPT, WinchesterWinchester, United Kingdom, 10 Jul 2017 - 11 Jul 20172017-07-102017-07-11  GO
We review recent progress in high-energy optical waveform synthesis with optical parametric amplifiers pumped by high-energy Ti:Sapphire and Yb-based lasers from the visible to the far infrared..
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