Millijoule-level phase-stabilized few-optical-cycle infrared parametric source

Vozzi, C.; Calegari, Francesca; Benedetti, Enrico; Gasilov, S. V.; Sansone, G.; Cerullo, Giulio; Nisoli, M.; Silvestri, S. De; Stagira, S.

doi:10.1364/ol.32.002957

Cited by 199 publications

(116 citation statements)

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“…Different approaches to generate intense IR few-cycle laser pulses have been demonstrated as follows: ͑1͒ 0.74 mJ 15.6 fs at 2.1 m using an optical parametric chirped-pulse amplifier ͑OPCPA͒, 5 ͑2͒ pulse self-compression by filamentation; 0.27 mJ 17.9 fs at 2.1 m 6 and 1.5 mJ 19.8 fs at 1.5 m, 7 ͑3͒ 1.2 mJ 17 fs at 1.5 m utilizing difference frequency generation of few-optical-cycle 800 nm laser pulses followed by type II parametric amplification, 8 and ͑4͒ 0.4 mJ 13.1 fs at 1.4 m using spectral broadening in a hollow-core fiber ͑HCF͒ and dispersion compensation with chirped mirrors. 9 In this letter, we demonstrate the generation of 0.4 mJ 11.5 fs laser pulses at 1.8 m. Similar to our recent work using the OPA Signal wavelength, 9 we spectrally broaden the Idler via nonlinear propagation in a HCF.…”

mentioning

confidence: 99%

Compression of 1.8 μm laser pulses to sub two optical cycles with bulk material

Schmidt

Béjot

Giguère

et al. 2010

Applied Physics Letters

139

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mentioning

confidence: 99%

Compression of 1.8 μm laser pulses to sub two optical cycles with bulk material

Schmidt

Béjot

Giguère

et al. 2010

Applied Physics Letters

139

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“…Nowadays, a lot of advanced techniques have been proposed to enhance the HHG and generate an isolated attosecond pulse in experiment and theory, such as few-cycle laser driving [14], double optical gating (DOG) [15], the few-cycle pulses [16], polarization gating [17], two-color fields [18][19][20]. The rapid progress in the terahertz technology makes the extremely strong and long-wavelength THz field become experimentally available [21,22], which leads to a new area to study the effects of THz fields for controlling harmonic emission and generating attosecond pulses [23][24][25].…”

Section: Introductionmentioning

confidence: 99%

Isolated Attosecond Pulse Generation in a 800 nm Laser Field by Adding a Terahertz (THz) Pulse

Liu¹

2016

JAMS

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Abstract. We theoretically study the high-order harmonic and the isolated attosecond pulse generation in the near-infrared (IR) (3-fs, 800 nm) laser pulse by adding a terahertz (THz) controlling field with proper phases. It is found that the high-order harmonic spectrum in the IR pulse by adding a terahertz field is broader and smoother than that in the single IR pulse. The underlying physical mechanism is illustrated by means of the time-frequency analysis and the three-step model. We calculate the ionization rate by ADK model to further demonstrate the process of high-order harmonic generation. By superposing a proper range of harmonic spectrum, an isolated attosecond pulse with the duration of 71 as is obtained. PACS: 32.80. Rm, 42.65.Ky

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“…One solution are laser sources with high ponderomotive energy U p ∝ λ 2 I at moderate intensity level, i. e., IR CEP-stable few-cycle high-power laser systems. The present immense interest of the ultrafast community in high-U p sources [3][4][5][6][7][8][9][10][11] has three major reasons:…”

Section: Introductionmentioning

confidence: 99%

“…Ultrabroadband neardegenerate Type I parametric amplification of CEPstable two-cycle IR seed pulses obtained from difference-frequency generation (DFG) to the energy level close to 1 mJ has been demonstrated [3][4][5][6][7]. However, the inherently low DFG seed energy causes a sizable superfluorescence background [3,4,7] that prevents further energy upscaling.…”

Section: Introductionmentioning

confidence: 99%

Efficient 4-fold self-compression of millijoule pulses from a 1.5-µm optical parametric chirped-pulse amplifier

Ališauskas¹,

Smilgevičius²,

Piskarskas³

et al. 2010

Lithuanian J. Phys.

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We discuss a four-stage optical parametric chirped-pulse amplifier that delivers carrier-envelope phase-stable ∼1.5 µm pulses with energies up to 12.5 mJ before recompression. The system (previously reported in Opt. Lett. 34, 2498Lett. 34, (2009) is based on a fusion of femtosecond diode-pumped solid-state Yb technology and a picosecond 100-mJ Nd:YAG pump amplifier. Pulses with 62 nm bandwidth are recompressed to a 74.4 fs duration, which is close to the transform limit. Here, to show the way towards a TW-peak-power single-cycle IR source, we perform detailed investigations of single-filament IR supercontinuum generation via femtosecond filamentation in noble gases. Depending on the experimental conditions, two filamentation regimes can be achieved: (i) in the filamentation regime without plasma-induced pulse self-compression, we generate 4-mJ 600-nm-wide IR supercontinua of high spatial quality supporting 8-fs pulse durations, which corresponds to less than two optical cycles at 1.5 µm; (ii) in the self-compression regime, we demonstrate self-compression of 2.2 mJ pulses down to 19.8 fs duration in a single filament in argon with a 1.5 mJ output energy and 66% energy throughput. By adapting the experimental conditions, further energy upscaling of the self-compressed pulses seems feasible.

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Millijoule-level phase-stabilized few-optical-cycle infrared parametric source

Cited by 199 publications

References 0 publications

Compression of 1.8 μm laser pulses to sub two optical cycles with bulk material

Compression of 1.8 μm laser pulses to sub two optical cycles with bulk material

Isolated Attosecond Pulse Generation in a 800 nm Laser Field by Adding a Terahertz (THz) Pulse

Efficient 4-fold self-compression of millijoule pulses from a 1.5-µm optical parametric chirped-pulse amplifier

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