scholarly journals Phase-matched four-wave mixing in the extreme ultraviolet region

2018 ◽  
Vol 124 (1) ◽  
pp. 015901 ◽  
Author(s):  
Khoa Anh Tran ◽  
Khuong Ba Dinh ◽  
Peter Hannaford ◽  
Lap Van Dao
Keyword(s):  
Extreme Ultraviolet ◽  
Four Wave Mixing ◽  
Ultraviolet Region ◽  
Wave Mixing

scholarly journals Four-wave mixing with multi-color laser in extreme ultraviolet region

2021 ◽  
Author(s):  
Thong Huy Chau ◽  
Khuong Ba Dinh ◽  
Khoa Anh Tran ◽  
Peter Hannaford ◽  
Lap Van Dao
Keyword(s):  
Extreme Ultraviolet ◽  
Four Wave Mixing ◽  
Ultraviolet Region ◽  
Wave Mixing

scholarly journals Multidimensional spectroscopy with attosecond extreme ultraviolet and shaped near-infrared pulses

2018 ◽  
Vol 4 (9) ◽  
pp. eaau3783 ◽  
Author(s):  
Hugo J. B. Marroux ◽  
Ashley P. Fidler ◽  
Daniel M. Neumark ◽  
Stephen R. Leone
Keyword(s):  
Excited States ◽  
Near Infrared ◽  
Extreme Ultraviolet ◽  
Four Wave Mixing ◽  
High Dimensionality ◽  
Wave Mixing ◽  
Multidimensional Spectroscopy ◽  
Electronic Dynamics ◽  
Single State ◽  
Signal Field

Dynamics following excitation with attosecond extreme ultraviolet (XUV) pulses arise from enormous numbers of accessible excited states, complicating the retrieval of state-specific time evolutions. We develop attosecond XUV multidimensional spectroscopy here to separate interfering pathways on a near-infrared (NIR) energy axis, retrieving single state dynamics in argon atoms in a two-dimensional (2D) XUV-NIR spectrum. In this experiment, we measure four-wave mixing signal arising from the interaction of XUV attosecond pulses centered around 15 eV with two few-cycle NIR pulses. The 2D spectrum is created by measuring the emitted XUV signal field spectrum while applying narrowband amplitude and phase modulations to one of the NIR pulses. Application of such a technique to systems of high dimensionality will provide for the observation of state-resolved pure electronic dynamics, in direct analogy to phenomena unraveled by multidimensional spectroscopies at optical frequencies.

scholarly journals Near-resonant four-wave mixing of attosecond extreme-ultraviolet pulses with near-infrared pulses in neon: Detection of electronic coherences

2016 ◽  
Vol 94 (2) ◽  
Author(s):  
Wei Cao ◽  
Erika R. Warrick ◽  
Ashley Fidler ◽  
Stephen R. Leone ◽  
Daniel M. Neumark
Keyword(s):  
Near Infrared ◽  
Extreme Ultraviolet ◽  
Four Wave Mixing ◽  
Wave Mixing

Dynamics of free electron wave packets with coherent extreme ultraviolet four-wave mixing fields

Optik ◽  
2021 ◽  
Vol 225 ◽  
pp. 165833
Author(s):  
Khoa Anh Tran ◽  
Khuong Ba Dinh ◽  
Thong Huy Chau ◽  
Peter Hannaford ◽  
Lap Van Dao
Keyword(s):  
Free Electron ◽  
Extreme Ultraviolet ◽  
Wave Packets ◽  
Four Wave Mixing ◽  
Wave Mixing ◽  
Electron Wave

scholarly journals Four-wave mixing experiments with extreme ultraviolet transient gratings

Nature ◽  
2015 ◽  
Vol 520 (7546) ◽  
pp. 205-208 ◽  
Author(s):  
F. Bencivenga ◽  
R. Cucini ◽  
F. Capotondi ◽  
A. Battistoni ◽  
R. Mincigrucci ◽  
...  
Keyword(s):  
Extreme Ultraviolet ◽  
Four Wave Mixing ◽  
Wave Mixing ◽  
Transient Gratings

scholarly journals Extreme-ultraviolet spectral compression by four-wave mixing

2021 ◽  
Author(s):  
L. Drescher ◽  
O. Kornilov ◽  
T. Witting ◽  
V. Shokeen ◽  
M. J. J. Vrakking ◽  
...  
Keyword(s):  
Extreme Ultraviolet ◽  
Four Wave Mixing ◽  
Wave Mixing ◽  
Spectral Compression

scholarly journals Perturbative Nonlinear Optics in the Extreme Ultraviolet Region

2017 ◽  
Vol 27 (2) ◽  
pp. 97
Author(s):  
Lap Van Dao ◽  
Peter Hannaford
Keyword(s):  
Nonlinear Optics ◽  
Laser Pulse ◽  
High Intensity ◽  
Extreme Ultraviolet ◽  
Ultraviolet Region ◽  
Wave Mixing ◽  
Mixing Process ◽  
Free Electrons ◽  
Low Intensity ◽  
Multiple Cycle

We report the investigation of the wave-mixing process with two multiple-cycle pulses having incommensurate frequencies (at 1400 nm and 800 nm). With a collinear and non-collinear configuration of the two beams, a different extreme ultraviolet (XUV) mixing field can be created at low intensity of the 800 nm field. For a high intensity of the second laser pulse we are able to amplify the XUV radiation. We show that the dynamics of the free electrons can be revealed from the frequency mixing process.

Wave-mixing with high-order harmonics in extreme ultraviolet region

2015 ◽  
Vol 106 (2) ◽  
pp. 021118 ◽  
Author(s):  
Lap Van Dao ◽  
Khuong Ba Dinh ◽  
Hoang Vu Le ◽  
Naylyn Gaffney ◽  
Peter Hannaford
Keyword(s):  
Extreme Ultraviolet ◽  
High Order ◽  
Ultraviolet Region ◽  
Wave Mixing
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