Picosecond pulse generated supercontinuum as a stable seed for OPCPA

Indra, Lukáš; Batysta, František; Hříbek, Petr; Novák, Jakub; Hubka, Zbyněk; Green, Jonathan T.; Antipenkov, Roman; Boge, Robert; Naylon, Jack A.; Bakule, Pavel; Rus, B.

doi:10.1364/ol.42.000843

Cited by 37 publications

(9 citation statements)

References 19 publications

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“…Indeed, the availability of picosecond pulse-generated SC with a well-behaved spectral phase that is compressible down to transform-limit paved new avenues in the development of picosecond-laser pumped noncollinear optical parametric amplifiers [213] and of a whole new generation of compact SC-seeded OPCPA systems. These systems are built around amplified solely sub-picosecond and picosecond lasers, such as Yb:KYW [214], Yb:YAG [51,207,[215][216][217] and Yb-fibre [218,219], and are designed to provide few optical cycle pulses in the near-and mid-infrared at very high repetition rates. Finally, picosecond SC serves as a seed signal in the mid-infrared optical parametric amplifiers driven by amplified picosecond Ho:YAG lasers [220,221].…”

Section: Laser Hostsmentioning

confidence: 99%

Ultrafast supercontinuum generation in bulk condensed media

Dubietis¹,

Tamošauskas²,

Šuminas³

et al. 2017

Lith. J. Phys.

172

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Nonlinear propagation of intense femtosecond laser pulses in bulk transparent media leads to a specific propagation regime, termed femtosecond filamentation, which in turn produces dramatic spectral broadening, or superbroadening, termed supercontinuum generation. Femtosecond supercontinuum generation in transparent solids represents a compact, efficient and alignment-insensitive technique for generation of coherent broadband radiation at various parts of the optical spectrum, which finds numerous applications in diverse fields of modern ultrafast science. During recent years, this research field has reached a high level of maturity, both in understanding of the underlying physics and in achievement of exciting practical results. In this paper we overview the state-of-the-art femtosecond supercontinuum generation in various transparent solid-state media, ranging from wide-bandgap dielectrics to semiconductor materials and in various parts of the optical spectrum, from the ultraviolet to the mid-infrared spectral range. A particular emphasis is given to the most recent experimental developments: multioctave supercontinuum generation with pumping in the mid-infrared spectral range, spectral control, power and energy scaling of broadband radiation and the development of simple, flexible and robust pulse compression techniques, which deliver few optical cycle pulses and which could be readily implemented in a variety of modern ultrafast laser systems.

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Section: Laser Hostsmentioning

confidence: 99%

Ultrafast supercontinuum generation in bulk condensed media

Dubietis¹,

Tamošauskas²,

Šuminas³

et al. 2017

Lith. J. Phys.

172

View full text Add to dashboard Cite

show abstract

“…5a2,b2 show their respective temporal evolution of SC). However, this energy transfer decreases over the first few millimetres of propagation thereby limiting the non-linear spectral broadening 34 – 36 .…”

Section: Discussionmentioning

confidence: 99%

Ultra-broad Mid-IR Supercontinuum Generation in Single, Bi and Tri Layer Graphene Nano-Plasmonic waveguides pumping at Low Input Peak Powers

Bobba

Agrawal

2017

Sci Rep

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This article presents four different plasmonic structures using Graphene which yielded an efficient plasmonic mode with low loss for Supercontinuum(SC) generation. At an operating wavelength of 1550 nm in these structures, we generated a multi-octave broadband SC spectrum ranging from 1.5 um–25 um at a low input peak power of 1 W. Due to pumping in the anomalous dispersion region with two Zero Dispersion Wavelengths (ZDWs) and the process of cross phase modulation with soliton fission, red-shifted dispersive waves were generated which led to large broadening from 1.5 um–25 um. Two other Supercontinua ranging from 1–10 um and 0.85–2.2 um also at low input peak powers of 2 W and 0.1 W respectively were generated. These three supercontinua are useful for applications in the fields of biomedical sensors, spectroscopy, fluorescence lifetime imaging and in the design of many other new optical devices. Furthermore, we have also discussed our results on behaviour of Graphene as a metal, even without the negative real value of dielectric constant.

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“…Concerning the UV generation, the first version is advantageous for the bandwidth offered by the Yb:KYW regenerative amplifier. However stable WLG has been demonstrated with ps-long pulses [63, 66, 67] .…”

Section: Discussionmentioning

confidence: 99%

Laser system design for table-top X-ray light source

Calendron

Meier

Hemmer

et al. 2018

High Pow Laser Sci Eng

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We present possible conceptual designs of a laser system for driving table-top free-electron lasers based on terahertz acceleration. After discussing the achievable performances of laser amplifiers with Yb:YAG at cryogenic and room temperature and Yb:YLF at cryogenic temperature, we present amplification modules with available results and concepts of amplifier chains based on these laser media. Their performances are discussed in light of the specifications for the tasks within the table-top light source. Technical and engineering challenges, such as cooling, control, synchronization and diagnostics, are outlined. Three concepts for the laser layout feeding the accelerator are eventually derived and presented.

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Picosecond pulse generated supercontinuum as a stable seed for OPCPA

Cited by 37 publications

References 19 publications

Ultrafast supercontinuum generation in bulk condensed media

Ultrafast supercontinuum generation in bulk condensed media

Ultra-broad Mid-IR Supercontinuum Generation in Single, Bi and Tri Layer Graphene Nano-Plasmonic waveguides pumping at Low Input Peak Powers

Laser system design for table-top X-ray light source

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