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| 1 | 查看详情显示文摘 | Yah C.G Wang Q.F Song X.K Sun J | | 0,,: | 1 |
| 2 | 查看详情显示文摘 | Fang X.K Speldrich M Schilder H Cao R. O'Halloran K.P. Hill C.L. Kogerler P | | 0,,: | 1 |
| 3 | 查看详情显示文摘 | Fang X.K McCallum K Pratt Ⅲ H.D Anderson T.M. Dennis K. Luban M | | 0,,: | 1 |
| 4 | 查看详情显示文摘 | Fang X.K K(o)erler P Speldrich M Schilder H. Luban M | | 0,,: | 1 |
| 5 | 查看详情显示文摘 | Yuan J.J Li H.D Wang Q.L Yu Q Zhang X.K Yu H.J Xie Y.M | | 0,,: | 1 |
| 6 | 查看详情显示文摘 | S.J.Zhang X.C.Wang Q.Q.Liu Y.X.Lv X.K Yu Z.J.Lin Y.S.Zhao L.Wang Y.Ding H.K.Mao and C.Q.Jin | | 0,,04: | 1 |
| 7 | 查看详情显示文摘 | Min C.G Leng Y Yang X.K Ran A.M Cui X.Y Xu M.L Wang S.H | | 0,,5: | 1 |
| 8 | Airside characteristics of heat,mass transfer and pressure drop for heat exchangers of tube-in hydrophilic coating wavy fin under dehumidifying conditions显示文摘 | Ma X.K Ding G.L Zhang Y.M | | 0,,19: | 1 |
| 9 | Maize-targeted mutagenesis:a knockout resource for maize显示文摘 | May B.P Liu H Vollbrecht E Senior L Rabinowicz P.D Roh D Pan X.K Stein L Freeling M Alexander D and Martienssen R | | 0,,: | 1 |
| 10 | THz-Enhanced DC Ultrafast Electron Diffractometer显示文摘Terahertz-(THz-)based electron manipulation has recently been shown to hold tremendous promise as a technology for manipulating and driving the next generation of compact ultrafast electron sources.Here,we demonstrate an ultrafast electron diffractometer with THz-driven pulse compression.The electron bunches from a conventional DC gun are compressed by a factor of 10 and reach a duration of~180 fs(FWHM)with 10,000 electrons/pulse at a 1 kHz repetition rate.The resulting ultrafast electron source is used in a proof-of-principle experiment to probe the photoinduced dynamics of single-crystal silicon.The THz-compressed electron beams produce high-quality diffraction patterns and enable the observation of the ultrafast structural dynamics with improved time resolution.These results validate the maturity of THz-driven ultrafast electron sources for use in precision applications. | Dongfang Zhang Tobias Kroh Felix Ritzkowsky Timm Rohwer Moein Fakhari Huseyin Cankaya Anne-Laure Calendron Nicholas H.Matlis Franz X.Kärtner | 2021 | Ultrafast Science2021,,1: | 1 |
| 11 | 查看详情显示文摘 | Li D.F Wang H.J Wang X.K | | 0,,: | 1 |
| 12 | Nonlinear silicon photonics on CMOS-compatible tellurium oxide显示文摘Silicon photonics is coming of age;however,it is still lacking a monolithic platform for optical sources and nonlinear functionalities prompting heterogeneous integration of different materials tailored to different applications.Here we demonstrate tellurium oxide as a complementary metal oxide semiconductor silicon photonics platform for nonlinear functionalities,which is already becoming an established platform for sources and amplifiers.We show broadband supercontinuum generation covering the entire telecom window and show for the first time to our knowledge third-harmonic generation in its integrated embodiment.Together with the nowavailable lasers and amplifiers on integrated Te O_(2) this work paves the way for a monolithic TeO_(2)-based nonlinear silicon photonics platform. | NEETESH SINGH HAMIDU M.MBONDE HENRY C.FRANKIS ERICH IPPEN JONATHAN D.B.BRADLEY FRANZ X.KÄRTNER | 2020 | Photonics Research2020,8,12: | 0 |
| 13 | Sub-50 fs pulses at 2050 nm from a picosecond Ho:YLF laser using a two-stage Kagome-fiber-based compressor显示文摘The high-energy few-cycle mid-infrared laser pulse beyond 2μm is of immense importance for attosecond science and strong-field physics.However,the limited gain bandwidth of laser crystals such as Ho:YLF and Ho:YAG allows the generation of picosecond(ps)long pulses and,hence,makes it challenging to generate few-cycle pulse at 2μm without utilizing an optical parametric chirped-pulse amplifier(OPCPA).Moreover,the exclusive use of the near-infrared wavelength has limited the generation of wavelengths beyond 4μm(OPCPA).Furthermore,high harmonic generation(HHG)conversion efficiency reduces dramatically when driven by a long-wavelength laser.Novel schemes such as multi-color HHG have been proposed to enhance the harmonic flux.Therefore,it is highly desirable to generate few-cycle to femtosecond pulses from a 2μm laser for driving these experiments.Here,we utilize two-stage nonlinear spectral broadening and pulse compression based on the Kagome-type hollow-core photonic crystal fiber(HC-PCF)to compress few-ps pulses to sub-50 fs from a Ho:YLF amplifier at 2μm at 1 kHz repetition rate.We demonstrate both experimentally and numerically the compression of 3.3 ps at 140μJ pulses to 48 fs at 11μJ with focal intensity reaching 10^(13)W/cm^(20.Thereby,this system can be used for driving HHG in solids at 2μm.In the first stage,the pulses are spectrally broadened in Kagome fiber and compressed in a silicon-based prism compressor to 285 fs at a pulse energy of 90μJ.In the second stage,the 285 fs pulse is self-compressed in air-filled HC-PCF.With fine-tuning of the group delay dispersion(GDD)externally in a 3 mm window,a compressed pulse of 48 fs is achieved.This leads to a 70-fold compression of the ps pulses at 2050 nm.We further used the sub-50 fs laser pulses to generate white light by focusing the pulse into a thin medium of YAG. | Krishna Murari Giovanni Cirmi Hüseyin Cankaya Gregory J.Stein Benoit Debord Frederic Gerome Felix Ritzkosky Fetah Benabid Oliver Muecke Franz X.Kärtner | 2022 | Photonics Research2022,10,3: | 0 |
| 14 | 合作计算中的信任与安全性显示文摘由于信息通讯技术以及现实生活中整个社会力求合作的愿望,使得合作计算(CC)及其应用成为可能,甚至是必须的。典型的CC包括多方军事行动、远程会议、远程诊断、交互与合作决策、网格计算、信息分发和计资付费视屏服务。在这样一种环境中,信任将最终决定CC的成功和普及,这是因为合作及人类对他们个人或者分享信息私密性及完整性的期望。 | X.K周(著) 胡光华 | 2010 | 国外科技新书评介2010,,7: | 0 |