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  Ultrafast near-field microscope imaging of electron and phonon relaxation in single gold nanoparticle

  Imura, K., Nagahara, T. & Okamoto, H., 2004 Dec 1, In: Springer Series in Chemical Physics. 79, p. 655-657 3 p.

  Research output: Contribution to journal › Article › peer-review

• Ultrafast operation of Si thermo-optic switch using differential control method

  Iino, K. & Kita, T., 2023 Jan 1, In: Japanese journal of applied physics. 62, 1, 012002.

  Research output: Contribution to journal › Article › peer-review

• Ultrafast optical packet processing technologies based on novel hybrid optoelectronic devices

  Takenouchi, H., Nakahara, T., Takahata, K. & Takahashi, R., 2004 Jul 1, In: NTT Technical Review. 2, 7, p. 47-56 10 p.

  Research output: Contribution to journal › Article › peer-review
  1 Citation (Scopus)

• Ultrafast optical sampling pump-probe measurement of exciton spin relaxation in GaAs/AlGaAs quantum wells

  Adachi, S., Takeyama, S., Takagi, Y., Tackeuchi, A. & Muto, S., 1996, In: Applied Physics Letters. 68, 7, p. 964-966 3 p.

  Research output: Contribution to journal › Article › peer-review
  18 Citations (Scopus)

• Ultrafast optical sampling spectroscopy of exciton dynamics in quantum wells

  Adachi, S., Takeyama, S., Takagi, Y., Tackeuchi, A. & Muto, S., 1996, In: Progress in Crystal Growth and Characterization of Materials. 33, 1-3, p. 117-120 4 p.

  Research output: Contribution to journal › Article › peer-review
  1 Citation (Scopus)

• Ultrafast optoelectronic packet processing for asynchronous, optical-packet-switched networks [Invited]

  Takahashi, R., Nakahara, T., Takahata, K., Takenouchi, H., Yasui, T., Kondo, N. & Suzuki, H., 2004, In: Journal of Optical Networking. 3, 12, p. 914-930 17 p.

  Research output: Contribution to journal › Article › peer-review
  77 Citations (Scopus)

• Ultrafast photoinduced changes of eigenfunctions of localized plasmon modes in gold nanorods

  Imura, K. & Okamoto, H., 2008 Jan 2, In: Physical Review B - Condensed Matter and Materials Physics. 77, 4, 041401.

  Research output: Contribution to journal › Article › peer-review
  19 Citations (Scopus)

• Ultrafast photoinduced electron transfer in face-to-face charge-transfer π-complexes of planar porphyrins and hexaazatriphenylene derivatives

  Aoki, T., Sakai, H., Ohkubo, K., Sakanoue, T., Takenobu, T., Fukuzumi, S. & Hasobe, T., 2015 Feb 1, In: Chemical Science. 6, 2, p. 1498-1509 12 p.

  Research output: Contribution to journal › Article › peer-review
  32 Citations (Scopus)

• Ultrafast production of silicon via aluminothermic reduction of tetrachlorosilane in a thermal plasma jet

  Shinoda, K., Murakami, H., Sawabe, Y. & Saegusa, K., 2012 Aug 1, In: Chemical Engineering Journal. 198-199, p. 61-64 4 p.

  Research output: Contribution to journal › Article › peer-review
  7 Citations (Scopus)

• Ultrafast response of plasmalike reflectivity edge in (TMTTF)2As F6 driven by a 7-fs 1.5-cycle strong-light field

  Naitoh, Y., Kawakami, Y., Ishikawa, T., Sagae, Y., Itoh, H., Yamamoto, K., Sasaki, T., Dressel, M., Ishihara, S., Tanaka, Y., Yonemitsu, K. & Iwai, S., 2016 Apr 19, In: Physical Review B. 93, 16, 165126.

  Research output: Contribution to journal › Article › peer-review
  14 Citations (Scopus)

• Ultrafast Silicon MZI Optical Switch with Periodic Electrodes and Integrated Heat Sink

  Kita, T. & Mendez-Astudillo, M., 2021 Aug 1, In: Journal of Lightwave Technology. 39, 15, p. 5054-5060 7 p., 9439190.

  Research output: Contribution to journal › Article › peer-review
  6 Citations (Scopus)

• Ultrafast time-resolved single-shot birefringence microscopy for laser-induced anisotropy

  Terasawa, E., Satoh, D., Maru, S., Shibuya, T., Moriai, Y., Ogawa, H., Tanaka, M., Sakaue, K., Washio, M., Kobayashi, Y. & Kuroda, R., 2022 Aug 1, In: Optics Letters. 47, 15, p. 3728-3731 4 p.

  Research output: Contribution to journal › Article › peer-review

• Ultra-fine metal gate operated graphene optical intensity modulator

  Kou, R., Hori, Y., Tsuchizawa, T., Warabi, K., Kobayashi, Y., Harada, Y., Hibino, H., Yamamoto, T., Nakajima, H. & Yamada, K., 2016 Dec 19, In: Applied Physics Letters. 109, 25, 251101.

  Research output: Contribution to journal › Article › peer-review
  9 Citations (Scopus)

• Ultraflexible near-infrared organic photodetectors for conformal photoplethysmogram sensors

  Park, S., Fukuda, K., Wang, M., Lee, C., Yokota, T., Jin, H., Jinno, H., Kimura, H., Zalar, P., Matsuhisa, N., Umezu, S., Bazan, G. C. & Someya, T., 2018 Aug, In: Advanced Materials. 30, 34, 1802359.

  Research output: Contribution to journal › Article › peer-review
  142 Citations (Scopus)

• Ultra-high-density magnetic information storage technologies

  Ohashi, K., Ishiwata, N., Yanagisawa, M., Sato, A., Tsuboi, S. & Hokkyo, H., 2000 Apr 1, In: NEC Research and Development. 41, 2, p. 160-165 6 p.

  Research output: Contribution to journal › Article › peer-review

• Ultrahigh oxygen-scavenging norbornene copolymers bearing imidazolyl iron complexes for fabricating active and sustainable packaging films

  Wang, Y., Hasegawa, Y., Serikawa, T., Oyaizu, K. & Nishide, H., 2020, In: Chemical Communications. 56, 6, p. 964-967 4 p.

  Research output: Contribution to journal › Article › peer-review
  3 Citations (Scopus)

• Ultrahigh-pressure form of Si O2 glass with dense pyrite-type crystalline homology

  Murakami, M., Kohara, S., Kitamura, N., Akola, J., Inoue, H., Hirata, A., Hiraoka, Y., Onodera, Y., Obayashi, I., Kalikka, J., Hirao, N., Musso, T., Foster, A. S., Idemoto, Y., Sakata, O. & Ohishi, Y., 2019 Jan 29, In: Physical Review B. 99, 4, 045153.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  32 Citations (Scopus)

• Ultrahigh-resolution Cerenkov-light imaging system for positron radionuclides: potential applications and limitations

  Yamamoto, S., Watabe, T., Ikeda, H., Kanai, Y., Watabe, H., Ogata, Y., Kato, K. & Hatazawa, J., 2014 Nov 27, In: Annals of Nuclear Medicine. 28, 10, p. 961-969 9 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  7 Citations (Scopus)

• Ultrahigh-resolution laser photoemission study of URu₂Si ₂ across the hidden-order transition

  Yoshida, R., Nakamura, Y., Fukui, M., Haga, Y., Yamamoto, E., Nuki, Y., Okawa, M., Shin, S., Hirai, M., Muraoka, Y. & Yokoya, T., 2011 May, In: Journal of Physics and Chemistry of Solids. 72, 5, p. 580-581 2 p.

  Research output: Contribution to journal › Article › peer-review
  3 Citations (Scopus)

• Ultra-high resolution of radiocesium distribution detection based on Cherenkov light imaging

  Yamamoto, S., Ogata, Y., Kawachi, N., Suzui, N., Yin, Y. G. & Fujimaki, S., 2015 Mar 21, In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 777, p. 102-109 8 p.

  Research output: Contribution to journal › Article › peer-review
  3 Citations (Scopus)

• Ultrahigh resolution radiation imaging system using an optical fiber structure scintillator plate

  Yamamoto, S., Kamada, K. & Yoshikawa, A., 2018 Dec 1, In: Scientific reports. 8, 1, 3194.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  18 Citations (Scopus)

• Ultrahigh-resolution spectrometer based on 19 integrated gratings

  Jiang, A. Q., Zang, K. Y., Tu, H. T., Chen, J. K., Lu, W. J., Yoshie, O., Wang, X. P., Xiang, X. D., Lee, Y. P., Chen, B., Zheng, Y. X., Wang, S. Y., Zhao, H. B., Yang, Y. M. & Chen, L. Y., 2019 Dec 1, In: Scientific reports. 9, 1, 10211.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  5 Citations (Scopus)

• Ultrahigh-resolution spin-resolved photoemission spectrometer with a mini Mott detector

  Souma, S., Takayama, A., Sugawara, K., Sato, T. & Takahashi, T., 2010 Sep, In: Review of Scientific Instruments. 81, 9, 095101.

  Research output: Contribution to journal › Article › peer-review
  34 Citations (Scopus)

• Ultra-high temperature flexure and strain driven amorphization in polycrystalline boron carbide bulks

  Demirskyi, D., Sepehri-Amin, H., Suzuki, T. S., Yoshimi, K. & Vasylkiv, O., 2022 Mar 15, In: Scripta Materialia. 210, 114487.

  Research output: Contribution to journal › Article › peer-review

• Ultra-high-throughput VLSI architecture of H.265/HEVC CABAC encoder for UHDTV applications

  Zhou, D., Zhou, J., Fei, W. & Goto, S., 2015 Mar 1, In: IEEE Transactions on Circuits and Systems for Video Technology. 25, 3, p. 497-507 11 p., 6851145.

  Research output: Contribution to journal › Article › peer-review
  46 Citations (Scopus)

• Ultrahigh vacuum/transfer system for electrochemical studies

  Wang, K., Eppell, S., Chottiner, G. S. & Scherson, D. A., 1993 Dec 1, In: Review of Scientific Instruments. 64, 4, p. 1066-1070 5 p.

  Research output: Contribution to journal › Article › peer-review
  12 Citations (Scopus)

• Ultrahigh vacuum atomic force microscope using a pantograph inchworm mechanism

  Hosaka, S., Honda, Y., Hasewaga, T., Yamamoto, T. & Kondo, M., 1993, In: Review of Scientific Instruments. 64, 12, p. 3524-3529 6 p.

  Research output: Contribution to journal › Article › peer-review
  8 Citations (Scopus)

• Ultra-lean combustion through the backflow of burned gas in rotating counterflow twin premixed flames

  Nishioka, M., Shen, Z. & Uemichi, A., 2011 Nov, In: Combustion and Flame. 158, 11, p. 2188-2198 11 p.

  Research output: Contribution to journal › Article › peer-review
  7 Citations (Scopus)

• Ultralight vector dark matter search with auxiliary length channels of gravitational wave detectors

  Michimura, Y., Fujita, T., Morisaki, S., Nakatsuka, H. & Obata, I., 2020 Nov 2, In: Physical Review D. 102, 10, 102001.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  13 Citations (Scopus)

• Ultra-long carbon nanotube forest via in situ supplements of iron and aluminum vapor sources

  Sugime, H., Sato, T., Nakagawa, R., Hayashi, T., Inoue, Y. & Noda, S., 2021 Feb, In: Carbon. 172, p. 772-780 9 p.

  Research output: Contribution to journal › Article › peer-review
  14 Citations (Scopus)

• Ultra-long-haul 40-Gbit/s-based DWDM transmission using optically prefiltered CS-RZ signals

  Tsuritani, T., Agata, A., Morita, I., Edagawa, N. & Akiba, S., 2004 Mar, In: IEEE Journal on Selected Topics in Quantum Electronics. 10, 2, p. 403-411 9 p.

  Research output: Contribution to journal › Article › peer-review
  16 Citations (Scopus)

• Ultra-long-haul high-capacity super-nyquist-WDM transmission experiment using multi-core fibers

  Igarashi, K., Tsuritani, T., Morita, I. & Suzuki, M., 2015 Mar 1, In: Journal of Lightwave Technology. 33, 5, p. 1027-1036 10 p., 7031883.

  Research output: Contribution to journal › Article › peer-review
  35 Citations (Scopus)

• Ultra-low-loss nanofiber Fabry–Perot cavities optimized for cavity quantum electrodynamics

  Ruddell, S. K., Webb, K. E., Takahata, M., Kato, S. & Aoki, T., 2020 Sep 1, In: Optics Letters. 45, 17, p. 4875-4878 4 p.

  Research output: Contribution to journal › Article › peer-review
  5 Citations (Scopus)

• Ultra-low-loss tapered optical fibers with minimal lengths

  Nagai, R. & Aoki, T., 2014 Nov 17, In: Optics Express. 22, 23, p. 28427-28436 10 p.

  Research output: Contribution to journal › Article › peer-review
  43 Citations (Scopus)

• Ultralow operating energy electrically driven photonic crystal lasers

  Matsuo, S., Sato, T., Takeda, K., Shinya, A., Nozaki, K., Taniyama, H., Notomi, M., Hasebe, K. & Kakitsuka, T., 2013, In: IEEE Journal on Selected Topics in Quantum Electronics. 19, 4, 6471172.

  Research output: Contribution to journal › Article › peer-review
  63 Citations (Scopus)

• Ultra-low temperature oxidation of silicon using UV light-exited ozone in wafer-transfer type chamber

  Tosaka, A., Nishiguchi, T., Nonaka, H. & Ichimura, S., 2005, In: Shinku/Journal of the Vacuum Society of Japan. 48, 5, p. 309-312 4 p.

  Research output: Contribution to journal › Article › peer-review
  3 Citations (Scopus)

• Ultra-low thermal conductivity of high-interface density Si/Ge amorphous multilayers

  Goto, M., Xu, Y., Zhan, T., Sasaki, M., Nishimura, C., Kinoshita, Y. & Ishikiriyama, M., 2018 Apr, In: Applied Physics Express. 11, 4, 045202.

  Research output: Contribution to journal › Article › peer-review
  6 Citations (Scopus)

• Ultralow Threshold 1.3-μm InGaAsP–InP Compressive-Strained Multiquantum-Well Monolithic Laser Array for Parallel High-Density Optical Interconnects

  Uomi, K., Tsuchiya, T., Komori, M., Oka, A., Kawano, T. & Oishi, A., 1995 Jun, In: IEEE Journal on Selected Topics in Quantum Electronics. 1, 2, p. 203-210 8 p.

  Research output: Contribution to journal › Article › peer-review
  19 Citations (Scopus)

• Ultralow Threshold and Uniform Operation (1.3 ± 0.09 rnA) in 1.3-µm Strained-MQW 10-Element Laser Arrays for Parallel High-Density Optical Interconnects

  Uomi, K., Tsuchiya, T., Komori, M., Oka, A., Kawano, T. & Oishi, A., 1995 Jan, In: IEEE Photonics Technology Letters. 7, 1, p. 1-3 3 p.

  Research output: Contribution to journal › Article › peer-review
  17 Citations (Scopus)

• Ultra-low voltage 15-GHz band best Fom < −190 dBC/Hz LC-VCO ICs with novel harmonic tuned LC tank in 45-nm SOI CMOS

  Xu, X., Sugiura, T. & Yoshimasu, T., 2019, In: IEICE Transactions on Electronics. E102C, 10, p. 673-681 9 p.

  Research output: Contribution to journal › Article › peer-review
  1 Citation (Scopus)

• Ultra-Low Voltage and Ultra-Low Power Consumption Nonvolatile Operation of a Three-Terminal Atomic Switch

  Wang, Q., Itoh, Y., Tsuruoka, T., Aono, M. & Hasegawa, T., 2015 Oct 1, In: Advanced Materials. 27, 39, p. 6029-6033 5 p.

  Research output: Contribution to journal › Article › peer-review
  11 Citations (Scopus)

• Ultramylonite bands derived from cataclasite and pseudotachylyte in granites, northeast Japan

  Takagi, H., Goto, K. & Shigematsu, N., 2000 Sep, In: Journal of Structural Geology. 22, 9, p. 1325-1339 15 p.

  Research output: Contribution to journal › Article › peer-review
  62 Citations (Scopus)

• Ultrapermeable 2D-channeled graphene-wrapped zeolite molecular sieving membranes for hydrogen separation

  Kukobat, R., Sakai, M., Tanaka, H., Otsuka, H., Vallejos-Burgos, F., Lastoskie, C., Matsukata, M., Sasaki, Y., Yoshida, K., Hayashi, T. & Kaneko, K., 2022 May, In: Science Advances. 8, 20, eabl3521.

  Research output: Contribution to journal › Article › peer-review
  3 Citations (Scopus)

• Ultraproducts of crossed product Von Neumann algebras

  Tomatsu, R., 2017 Sep 1, In: Illinois Journal of Mathematics. 61, 3-4, p. 275-286 12 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  1 Citation (Scopus)

• Ultrasensitive detection of biomolecules using functionalized multi-walled carbon nanotubes

  Hu, P. A., Tanii, T., Zhang, G. J., Hosaka, T. & Ohdomari, I., 2007 Jun 10, In: Sensors and Actuators, B: Chemical. 124, 1, p. 161-166 6 p.

  Research output: Contribution to journal › Article › peer-review
  19 Citations (Scopus)

• Ultrasensitive detection of DNA molecules with high on/off single-walled carbon nanotube network

  Fu, D., Okimoto, H., Lee, C. W., Takenobu, T., Iwasa, Y., Kataura, H. & Li, L. J., 2010 Nov 16, In: Advanced Materials. 22, 43, p. 4867-4871 5 p.

  Research output: Contribution to journal › Article › peer-review
  41 Citations (Scopus)

• Ultrasensitive Detection of GRP78 in Exosomes and Observation of Migration and Proliferation of Cancer Cells by Application of GRP78-Containing Exosomes

  Tsurusawa, N., Iha, K., Sato, A., Tsai, H. Y., Sonoda, H., Watabe, S., Yoshimura, T., Wu, D. C., Lin, M. W. & Ito, E., 2022 Aug, In: Cancers. 14, 16, 3887.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  2 Citations (Scopus)

• Ultrasensitive detection of SARS-CoV-2 spike proteins using the thio-NAD cycling reaction: A preliminary study before clinical trials

  Kyosei, Y., Namba, M., Makioka, D., Kokubun, A., Watabe, S., Yoshimura, T., Sasaki, T., Shioda, T. & Ito, E., 2021 Nov, In: Microorganisms. 9, 11, 2214.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  5 Citations (Scopus)

• Ultrasensitive ELISA detection of proteins in separated lumen and membrane fractions of cancer cell exosomes

  Iha, K., Tsurusawa, N., Tsai, H. Y., Lin, M. W., Sonoda, H., Watabe, S., Yoshimura, T. & Ito, E., 2022 Oct 1, In: Analytical Biochemistry. 654, 114831.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  3 Citations (Scopus)

• Ultrasensitive enzyme-linked immunosorbent assay (ELISA) of proteins by combination with the thio-NAD cycling method

  Watabe, S., Kodama, H., Kaneda, M., Morikawa, M., Nakaishi, K., Yoshimura, T., Iwai, A., Miura, T. & Ito, E., 2014, In: Biophysics (Japan). 10, p. 49-54 6 p.

  Research output: Contribution to journal › Article › peer-review
  29 Citations (Scopus)