Sub-20 ps high energy pulses from 1 kHz neodymium-based CPA

Michailovas, Kirilas; Zaukevicius, Audrius; Petrauskienė, Virginija; Smilgevičius, V.; Balickas, Stanislovas; Michailovaś, Andrejus

doi:10.3952/physics.v58i2.3745

Cited by 2 publications

(2 citation statements)

References 20 publications

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“…On the other hand, such a short pulse configuration is more sensitive to the synchronization accuracy of the seed and pump pulses. A number of pump lasers were developed for OP-CPA pumping, employing amplifiers based on Nd-doped laser crystals: Nd:YAG 35−37 , Nd:YLF 38 , Nd:YVO 4 39,40 , hybrid setups that use Nd:YVO 4 and Nd:YAG amplifiers 41,42 , and even a combination of Yb and Nd amplifying media 43,44 . The diode-pumped solid state laser (DPSSL) technology, which replaced flashlamps with laser diode modules, made these pump lasers more efficient, compact and capable of operating at kHz repetition rates.…”

Section: Pump Lasersmentioning

confidence: 99%

Table-top optical parametric chirped pulse amplifiers: past and present

Dubietis¹,

Matijošius²

2023

OEA

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The generation of power-and wavelength-scalable few optical cycle pulses remains one of the major challenges in modern laser physics. Over the past decade, the development of table-top optical parametric chirped pulse amplificationbased systems was progressing at amazing speed, demonstrating excellent performance characteristics in terms of pulse duration, energy, peak power and repetition rate, which place them at the front line of modern ultrafast laser technology. At present, table-top optical parametric chirped pulse amplifiers comprise a unique class of ultrafast light sources, which currently amplify octave-spanning spectra and produce carrier-envelope phase-stable, few optical cycle pulses with multi-gigawatt to multi-terawatt peak powers and multi-watt average powers, with carrier wavelengths spanning a considerable range of the optical spectrum. This article gives an overview on the state of the art of table-top optical parametric chirped pulse amplifiers, addressing their relevant scientific and technological aspects, and provides a short outlook of practical applications in the growing field of ultrafast science.

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Section: Pump Lasersmentioning

confidence: 99%

Table-top optical parametric chirped pulse amplifiers: past and present

Dubietis¹,

Matijošius²

2023

OEA

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“…In reality, the techniques of pulse generations are very interesting subjects, according to Refs. [18][19][20][21][22][23][24], in which various interference devices, e.g. MZI configurations, have been utilized to obtain new optical pulses.…”

Section: Introductionmentioning

confidence: 99%

Generation of single and double pulses using a symmetrical Mach–Zehnder interferometer employing microstructured chalcogenide fibres: numerical analysis

Jin¹,

Yang²,

Wu³

2019

physics

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In this numerical work, a Mach–Zehnder interferometer device with sample and reference arms composed of microstructured chalcogenide optical fibres with AsSe2 core and As2S5 cladding is presented to generate single and double pulses. An unchirped hyperbolic secant-shaped pulse with enough high peak power centered at 1958 nm wavelength and a continuous wave with a very weak power level at 2070 nm wavelength are simultaneously introduced into the sample arm, in which stimulated Raman scattering and strong cross-phase modulation induced by two co-propagating waves give rise to a significant phase shift for a continuous wave. In the reference arm, the continuous wave directly passes through the fibre, where the transmitted wave has a slight phase shift due to the influence of self-phase modulation. Therefore, at the output port of the configuration, the re-combined optical fields at 2070 nm wavelength have a significant phase difference. As a result, both single and double pulses caused by the optical interference at the output port are achieved by judiciously adjusting the phase difference which is mainly controlled by the peak power and temporal width of the input optical pulse, as well as the length of a microstructured optical fibre. In addition, both widths of the single pulse and spacing of the double pulses are directly dependent on the temporal width of the input pulse and the fibre length of the arm.

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Sub-20 ps high energy pulses from 1 kHz neodymium-based CPA

Cited by 2 publications

References 20 publications

Table-top optical parametric chirped pulse amplifiers: past and present

Table-top optical parametric chirped pulse amplifiers: past and present

Generation of single and double pulses using a symmetrical Mach–Zehnder interferometer employing microstructured chalcogenide fibres: numerical analysis

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