Sub-20  fs μJ-energy pulses tunable down to the near-UV from a 1  MHz Yb-fiber laser system

Bradler, Maximilian; Riedle, Eberhard

doi:10.1364/ol.39.002588

Cited by 31 publications

(23 citation statements)

References 33 publications

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“…This property, combined with an excellent crystalline quality, a high nonlinearity and a high optical damage threshold, makes YAG a very attractive nonlinear medium for SC generation. When pumped in the visible spectral range (515 nm), YAG produces a narrower (390-625 nm) and more structured SC spectrum than that obtained in sapphire [204]. However, the advantages of the YAG crystal show up with longer pump wavelengths.…”

Section: Laser Hostsmentioning

confidence: 99%

Ultrafast supercontinuum generation in bulk condensed media

Dubietis¹,

Tamošauskas²,

Šuminas³

et al. 2017

Lith. J. Phys.

171

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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.

171

View full text Add to dashboard Cite

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“…In particular, with Ti:sapphire sources sub‐10 fs visible pulses (500–700 nm) are routinely generated by the SH‐pumped NOPA , and sub‐7 fs pulses have been obtained in the 650–950 nm spectral region by the SH‐pumped DOPA . Tunability can be extended even more by pumping with the SH and the third harmonic (TH) of Yb‐based lasers, which allows the generation of pulses shorter than 20 fs throughout a spectral range spanning from 395 to 970 nm , at repetition rates up to 1 MHz. In the following subsections, we provide examples of waveform synthesizers based on OPAs.…”

Section: State Of the Art Of Coherent Pulse Synthesismentioning

confidence: 99%

Coherent pulse synthesis: towards sub-cycle optical waveforms

Manzoni

Mücke

Cirmi

et al. 2015

Laser & Photonics Reviews

207

123

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The generation of sub-optical-cycle, carrier-envelope phase-stable light pulses is one of the frontiers of ultrafast optics. The two key ingredients for sub-cycle pulse generation are bandwidths substantially exceeding one octave and accurate control of the spectral phase. These requirements are very challenging to satisfy with a single laser beam, and thus intense research activity is currently devoted to the coherent synthesis of pulses generated by separate sources. In this review we discuss the conceptual schemes and experimental tools that can be employed for the generation, amplification, control, and combination of separate light pulses. The main techniques for the spectrotemporal characterization of the synthesized fields are also described. We discuss recent implementations of coherent waveform synthesis: from the first demonstration of a single-cycle optical pulse by the addition of two pulse trains derived from a fiber laser, to the coherent combination of the outputs from optical parametric chirped-pulse amplifiers.

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“…The green and DUV peak power is at least 1.2 GW and 180 MW, respectively, at high average powers. Such a cryogenic Yb-based DUV laser is a promising candidate for highvolume-manufacturing, cold processing or advanced pump source for optical parametric amplifiers [12].…”

Section: Resultsmentioning

confidence: 99%