Nonlinear pulse compression in a multi-pass cell

Schulte, Jan; Sartorius, Thomas; Weitenberg, Johannes; Vernaleken, Andreas; Russbueldt, Peter

doi:10.1364/ol.41.004511

Cited by 192 publications

(120 citation statements)

References 21 publications

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“…This approach seems to be particularly valuable when aiming at nonlinear compression of high intensity lasers . Very recently, a multi‐pass configuration has been utilized to achieve several passes through the nonlinear medium easing some of the experimental difficulties associated with multi‐plate arrangements …”

Section: Nonlinear Pulse Compression To Few‐cycle Durationsmentioning

confidence: 99%

“…The basic idea is to achieve multiple transmissions through a bulk material in a compact and reliable setup. This way, the 850 fs of a >400W Yb:YAG innoslab amplifier could be compressed to 170 fs at 375 W of average power . However, due to the free propagation this scheme cannot provide spatially uniform spectral broadening and pulse shapes with Gaussian beams.…”

Section: Nonlinear Pulse Compression To Few‐cycle Durationsmentioning

confidence: 99%

See 1 more Smart Citation

High Average Power Near‐Infrared Few‐Cycle Lasers

Rothhardt

Hädrich

Delagnes

et al. 2017

Laser & Photonics Reviews

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Ultra-short laser pulses with only a few optical cycles duration have gained increasing importance during the recent decade and are currently employed in many laboratories worldwide. In addition, modern laser technology nowadays can provide few-cycle pulses at very high average power which advances established studies and opens exciting novel research opportunities. In this paper, the two complementary approaches for providing few-cycle pulses at high average power, namely optical parametric amplification and nonlinear pulse compression, are reviewed and compared. In addition, their limitations and future scaling potential are discussed. Furthermore, selected applications particularly taking advantage of the high average power and high repetition rate are presented.

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Section: Nonlinear Pulse Compression To Few‐cycle Durationsmentioning

confidence: 99%

Section: Nonlinear Pulse Compression To Few‐cycle Durationsmentioning

confidence: 99%

High Average Power Near‐Infrared Few‐Cycle Lasers

Rothhardt

Hädrich

Delagnes

et al. 2017

Laser & Photonics Reviews

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show abstract

“…Waveguides written into planar or bulk media (fused silica, or SiN, for example) [65], [66] may also support a few or many spatial modes. Many microresonators (and "macro" resonators like Herriot cells [67], [68]) support multiple spatial modes, and the opportunities afford by multimode processes have just recently begun to be explored in these systems [69]- [73]. Last, multimode "rod fibers" fabricated with very large claddings, or with very large dimensions offer an opportunity for studying highly multimode dynamics.…”

Section: ) Other Multimode Waveguidesmentioning

confidence: 99%

Multimode Nonlinear Fiber Optics: Massively Parallel Numerical Solver, Tutorial, and Outlook

Wright

Ziegler

Lushnikov

et al. 2018

IEEE J. Select. Topics Quantum Electron.

154

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Building on the scientific understanding and technological infrastructure of single-mode fibers, multimode fibers are being explored as a means of adding new degrees of freedom to optical technologies such as telecommunications, fiber lasers, imaging, and measurement. Here, starting from a baseline of single-mode nonlinear fiber optics, we introduce the growing topic of multimode nonlinear fiber optics. We demonstrate a new numerical solution method for the system of equations that describes nonlinear multimode propagation, the generalized multimode nonlinear Schrödinger equation. This numerical solver is freely available, implemented in MATLAB ® and includes a number of multimode fiber analysis tools. It features a significant parallel computing speed-up on modern graphical processing units, translating to orders-of-magnitude speed-up over the split-step Fourier method. We demonstrate its use with several examples in graded-and step-index multimode fibers. Finally, we discuss several key open directions and questions, whose answers could have significant scientific and technological impact.

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“…To increase this transmission, and allow energy scaling of compression setups, a recently demonstrated technique consists in propagating the pulses to be compressed in a multipass cell (MPC) that includes a nonlinear medium [15]. The MPC is formed by an arrangement of concave mirrors and the input beam is matched to the stationary beam in the cell.…”

Section: Rationalementioning

confidence: 99%

High-power two-cycle ultrafast source based on hybrid nonlinear compression

Lavenu¹,

Natile²,

Guichard³

et al. 2019

Opt. Express

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We demonstrate a hybrid dual-stage nonlinear compression scheme, which allows the temporal compression of 330 fs-pulses down to 6.8 fs-pulses, with an overall transmission of 61%. This high transmission is obtained by using a first compression stage based on a gasfilled multipass cell, and a second stage based on a large-core gas-filled capillary. The source output is fully characterized in terms of spectral, temporal, spatial, and short-and long-term stability properties. The system's compactness, stability, and high average power makes it ideally suited to drive high photon flux XUV sources through high harmonic generation. IntroductionFew-cycle laser sources are the subject of intense research efforts worldwide since they allow efficient high-harmonic generation (HHG) and the emission of isolated attosecond pulses. This results in compact and highly coherent radiation sources in the extreme ultraviolet (XUV) and soft X-ray ranges, with a rapidly increasing number of scientific and industrial applications such as ultrafast spectroscopy, nanoscale imaging, and attosecond science [1-3]. Laser sources based on titanium-doped sapphire (Ti:Sa) have, for a long time, been almost exclusively used to drive the HHG process and to pioneer attosecond physics. The pulse duration typically available from such lasers is 25 fs, so that a single stage of nonlinear compression in a gas-filled capillary result in few-cycle pulses [4]. Despite extraordinary material properties such as gain bandwidth and thermal conductivity, Ti:Sa systems suffer from the short upper state lifetime, their large quantum defect and the fact that they must be pumped with high brightness green lasers. This limits the efficiency, output average power, and prevents repetition rate scaling to drive strong field physics experiments.Laser physicists have been working on more efficient and power scalable ultrafast sources for strong field physics for over a decade. In particular, optical parametric chirped pulse amplifier systems appear as a particularly promising solution [5,6], since they can deliver extremely short pulses in various wavelength ranges and are less impacted by thermal effects because they are based on a non-resonant nonlinear process. However, in order to obtain good spatial and temporal quality, the energy transfer from the pump to the signal is around 10%, so that the pump laser energy must be scaled accordingly, with stringent requirements in terms of spatial and temporal quality.Currently, the most mature and powerful ultrafast source technology is undoubtedly ytterbium-based systems, with average power levels beyond 1 kW [7-9] and numerous industrial applications. These lasers have been used to drive the HHG process as early as 2009 [10], but the long pulse duration delivered by these sources (300 fs -2 ps) limits their relevance to this application field. Therefore, nonlinear compression setups have been used successfully to reduce the pulse duration and obtain XUV photon flux among the highest ever reported for HHG-based sources [11...

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Nonlinear pulse compression in a multi-pass cell

Cited by 192 publications

References 21 publications

High Average Power Near‐Infrared Few‐Cycle Lasers

High Average Power Near‐Infrared Few‐Cycle Lasers

Multimode Nonlinear Fiber Optics: Massively Parallel Numerical Solver, Tutorial, and Outlook

High-power two-cycle ultrafast source based on hybrid nonlinear compression

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