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检索条件"机构=Core Research for Evolutional Science and Technology Program"
共 764 条 记 录，以下是441-450 订阅
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Generation of ultrashort optical pulses using multiple coherent anti-Stokes Raman scattering in LiNbO3
Generation of ultrashort optical pulses using multiple coher...
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Conference on Lasers and Electro-Optics (CLEO)
作者： Eiichi Matsubara Taro Sekikawa Mikio Yamashita Department of Applied Physics Core Research for Evolutional Science and TechnologyJapan Science and Technology Agency Hokkaido University Sapporo Japan
We demonstrate Fourier synthesis of multiple coherent anti-Stokes Raman scattering signals in a single crystal of LiNbO 3 at room temperature. Isolated pulses with 25-fs duration and 640-780-nm wavelength range are g... 详细信息
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Nearly-octave broadband, high-powered optical parametric amplification toward monocycle regime
Nearly-octave broadband, high-powered optical parametric amp...
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Conference on Lasers and Electro-Optics (CLEO)
作者： Keisaku Yamane Takashi Tanigawa Taro Sekikawa Mikio Yamashita Department of Applied Physics Core Research Evolutional Science and Technology Japan Science and Technology Agencyi Hokkaido University Sapporo Japan
We demonstrated the generation of 34-muJ, 14-fs optical pulses with an ultrabroad bandwidth (540-1000 nm) by the use of one angularly-dispersed non-collinear optical parametric amplifier.
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A 648-pixel, two-dimension spatial light modulator with an over-two-octave bandwidth from ultraviolet to near-infrared
A 648-pixel, two-dimension spatial light modulator with an o...
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Conference on Lasers and Electro-Optics (CLEO)
作者： K. Hazu N. Nakagawa Sh. b. Fang Y. Nakano T. Sekikawa M. Yamashita Department of Applied Physics Japan Science and Technology Agency Hokkaido University and Core Research for Evolutional Science and Technology Sapporo Japan
We developed a 648-pixel, two-dimension spatial light modulator operating from 260 to 1100 nm, which is useful for ultrabroadband chirp compensation.
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Enhanced formation of electron-hole droplets in diamond by a weak pulse injection
Enhanced formation of electron-hole droplets in diamond by a...
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Conference on Lasers and Electro-Optics (CLEO)
作者： Junko Omachi Nobuko Naka Kosuke Yoshioka Makoto Kuwata-Gonokami Department of Applied Physics Graduate School of Engineering and Core Research for Evolutional Science and Technology JST University of Tokyo Bunkyo Tokyo Japan Department of Applied Physics Core Research for Evolutional Science and Technology (CREST) – JST Bunkyo-ku Tokyo Japan
The electron-hole droplets (EHD) formation in diamond is remarkably enhanced due to the irradiation by a weak pulse hundreds of picoseconds after a stronger excitation pulse.
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Enhanced optical activity of a terahertz wave with complimentary double-layered metal chiral gratings
Enhanced optical activity of a terahertz wave with complimen...
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Conference on Lasers and Electro-Optics (CLEO)
作者： N. Kanda K. Konishi M. Kuwata-Gonokami Department of Applied Physics Core Research for Evolutional Science and Technology (CREST) University of Tokyo Bunkyo Tokyo Japan
We demonstrate polarization rotation of a terahertz electromagnetic wave with complimentary double-layered metal chiral gratings. We obtain an isotropic polarization rotation free from the birefringence of the structu... 详细信息
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Optical imaging of the transport properties of S-Sm-S junctions
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Journal of Physics: Conference Series 2009年 第5期150卷
作者： K Tsumura S Nomura T Akazaki H Takayanagi Institute of Physics University of Tsukuba 1–1–1 Tennodai Tsukuba 305–8571 JAPAN Research Fellowships of the Japan Society for the Promotion of Science for Young Scientists DC 8 Ichibancho Chiyoda-ku 102–8472 JAPAN NTT Basic Research Laboratories NTT Corporation 3–1 Morinosato-Wakamiya Atsugi 243–0198 JAPAN Core Research for Evolutional Science and Technology Japan Science and Technology Agency 5 Sanbancho Chiyoda-ku 102–0075 JAPAN Research Institute for Science and Technology Tokyo University of Science 1–3 Kagurazaka Shinjuku-ku 162–8601 Japan International Center for Materials Nanoarchitectonics National Institute for Materials Science 3–13 Sakura Tsukuba 305–0005 JAPAN
We study the optical effects on superconductor-normal metal superconductor (S-Sm-S) junctions composed of two-dimensional electron gas (2DEG) in a GaAs/AlGaAs heterostructure and NbN superconducting electrodes. When t...
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Coherent control of resonant two-photon excitation of excitons in Cu2O by phase modulated pulses
Coherent control of resonant two-photon excitation of excito...
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Conference on Lasers and Electro-Optics (CLEO)
作者： Takuro Ideguchi Toshiyuki Sakamoto Kosuke Yoshioka Makoto Kuwata-Gonokami Department of Applied Physicsand Core Research for Evolutional Science and Technology JST University of Tokyo Bunkyo Tokyo Japan
By using a pulse shaping method, we control the resonant two-photon excitation probability of 1s orthoexcitons in Cu 2 O and suppress the undesired three-photon interband transition which emerges at a high power excit... 详细信息
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Evaluation of density-dependent lifetime of 1s paraexcitons in Cu2O by cw laser based excitonic Lyman spectroscopy
Evaluation of density-dependent lifetime of 1s paraexcitons ...
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Conference on Lasers and Electro-Optics (CLEO)
作者： Kosuke Yoshioka Takuro Ideguchi Makoto Kuwata-Gonokami Department of Applied Physics Solution-Oriented Research for Science and Technologyand Core Research for Evolutional Science and Technology University of Tokyo Bunkyo Tokyo Japan
The lifetime and the Auger coefficient for 1s paraexctons in Cu 2 O from 5 K to 70 K was measured directly using excitonic Lyman spectroscopy. A possible experiment for realizing excitonic Bose-Einstein condensation i... 详细信息
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Thermal distribution of Cu2O paraexcitons in a strain-induced trap probed by excitonic Lyman spectroscopy
Thermal distribution of Cu2O paraexcitons in a strain-induce...
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Conference on Lasers and Electro-Optics (CLEO)
作者： E. Chae K. Yoshioka T. Ideguchi N. Naka M. Kuwata-Gonokami Department of Applied Physics Solution Oriented Research for Science and Technology (SORST)-JST and Core Research for Evolutional Science and Technology (CREST)-JST University of Tokyo Bunkyo Tokyo Japan
We observe the signal of trapped paraexcitons in Cu 2 O by using CW excitonic Lyman spectroscopy. The temperature dependence of the 1s-2p induced absorption of paraexcitons indicates the presence of a strain-induced t... 详细信息
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Evaluation of wireless multi-hop localization game for entertainment computing
Evaluation of wireless multi-hop localization game for enter...
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IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)
作者： Tomoya Takenaka Hiroshi Mineno Tadanori Mizuno Graduate School of Science and Technology Shizuoka University JAPAN Core Research for Evolutional Science and Technology (CREST) Japan Science and Technology Agency (JST) JAPAN Faculty of Informatics Shizuoka University JAPAN
We have developed a wireless multi-hop localization game, i.e., a war game, based on a classical field game. The players use mobile game consoles with ad-hoc networking capability and play the game on a field. The fun... 详细信息
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