Table top TW-class OPCPA system driven by tandem femtosecond Yb:KGW and picosecond Nd:YAG lasers

Abstract

We present a compact TW-class OPCPA system operating at 800 nm. Broadband seed pulses are generated and pre-amplified to 25 μJ in a white light continuum seeded femtosecond NOPA. Amplification of the seed pulses to 35 mJ at a repetition rate of 10 Hz and compression to 9 fs is demonstrated.

Spatiotemporal properties of nanoshell plasmonic response for strong-field experiments

“…When β is increasing the metallic shell thickness becomes small compared to the electron mean free path (typically 42 nm in bulk gold). Damping of the dielectric response happens due to scattering of these electrons on the inner and outer metallic surfaces, limiting the enhancement and broadening the plasmonic resonance depending on the shell size and environment permittivity [33]. This effect can be phenomenologically taken into account by modifying the permittivity response of considered metals.…”

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

“…Thire 168 Baudisch 164 Moses 123 Neuhaus 134 Pupeikis 135 Gu 122 Zou 171 Kurucz 169 Shumakova 175 Flender 170 Bigler 137 Schmidt 129 Yin 120 Ishii 118 Deng 126 Elu 166 Wang 178 Zou 171 Bridger 173 Hong 125 Fu 131 Xu 132 Rigaud 149 Mero 151 Shamir 138 Feng 128 Jargot 150 Tsai 148 Mücke 147 Budriunas 88 Hrisafov 107 Yang 77 Batysta 83 Kretschmar 90 Herrmann 75 Prinz 85 Witting 109 Witte 70 Prinz 105 Harth 101 Adachi 79 Kessel 78 Toth 89 Hädrich 96 Rothhardt 97 Adachi 81 Lu 110 J o u r n a l P r e -p r o o f this spectral range both spectral broadening and temporal compression could be accomplished within a single piece of solid-state material due to favorable interplay between self-phase modulation and anomalous group velocity dispersion, offering the advantages of technical simplicity and high energy through...…”

“…More recently, the system was upgraded to produce 15 fs, 30 mJ pulses at central wavelength of 820 nm with 30 W average power 84 . Another Yb:YAG thin-disk amplifier-pumped OPCPA system based on BBO delivered high intensity contrast 7.2 fs pulses with an energy of more than 1.8 mJ at 6 kHz repetition rate; these parameters correspond to a peak power of 160 GW and an average output power exceeding 10.8 W 85 .…”

“…Hrisafov 107 Höppner 112 Mecseki 114 Witting 109 Hädrich 96 Adachi 80 Prinz 85 Prinz 106 Puppin 113 Rothhardt 97 Ahrens 102 Matyschok 103 Kretschmar 90 Budriunas 88 Toth 89 Bakule 84 Batysta 83 Bulk Ti Diverse SWIR OPCPA systems that produce CEPstable few optical cycle pulses with sub-millijoule to a few millijoule energies at kHz repetition rates were developed on the basis of Ti:sapphire oscillators coupled with picosecond Ti:sapphire 118,119 , Nd:YLF 120−123 , Yb:YAG 124−126 and Nd:YAG 127 amplifiers. The shortest pulses to date of 9 fs (1.7 optical cycle) at 1.6 μm 118,119 and 11.4 fs (2 optical cycles) at 1.7 μm 120 were demonstrated from Ti:sapphire-pumped OPCPA based on BIBO and 10.5 fs (1.5 optical cycle) at 2.1 μm from Yb:YAGpumped OPCPA based on MgO:PPLN 126 nonlinear crystals.…”

Analysis of parametric fluorescence amplified in a noncollinear optical parametric amplifier pumped by the second harmonic of a femtosecond Yb:KGW laser

“…APF is only produced within the temporal window defined by the pump pulse, therefore it is proposed that using a short pump pulse in the first amplification stage, in which typically high gain is required, can increase pulse contrast at the OPCPA output [3]. The short-pulse preamplification approach was demonstrated in an OPCPA system driven by femtosecond ytterbium and picosecond neodymium pump sources [4].…”