Find Research Outputs

Search in all content

Filters for Research Output

Search concepts
Selected filters

15 GHz-band low phase-noise LC-VCO with second harmonic tunable filtering technique

Liu, Q., Sun, J., Yoshimasu, T., Kurachi, S. & Itoh, N., 2009, 2009 IEEE 20th Personal, Indoor and Mobile Radio Communications Symposium, PIMRC 2009. Institute of Electrical and Electronics Engineers Inc., p. 1592-1595 4 p. 5450190. (IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)

15-GHz-band low-power and low phase-noise LC VCO IC with a second harmonic filter in 130-nm SiGe BiCMOS

Xiao, X., Wang, X. & Yoshimasu, T., 2017 Feb 8, Proceedings of the 2016 IEEE Region 10 Conference, TENCON 2016. Institute of Electrical and Electronics Engineers Inc., p. 2525-2527 3 p. 7848489

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

160-Gb/s NRZ-DQPSK signal generation using a thin-LiNbO3-substrate modulator with a ridge-type optical waveguide structure

Kanno, A., Sakamoto, T., Chiba, A., Kawanishi, T., Higuma, K., Sudo, M. & Ichikawa, J., 2010 Dec 1, Conference on Lasers and Electro-Optics, CLEO 2010. (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

160-Gb/s NRZ-DQPSK signal generation using a thin-LiNbO3- substrate modulator with a ridge-type optical waveguide structure

Kanno, A., Sakamoto, T., Chiba, A., Kawanishi, T., Higuma, K., Sudo, M. & Ichikawa, J., 2010 Oct 11, Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference: 2010 Laser Science to Photonic Applications, CLEO/QELS 2010. 5500173. (Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference: 2010 Laser Science to Photonic Applications, CLEO/QELS 2010).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

160-Gb/s orthogonal time-frequency domain multiplexed QPSK for ultra-high-spectral-efficient transmission

Sakamoto, T., Kanno, A., Kawanishi, T., Fontaine, N. K., Geisler, D. J., Scott, R. P. & Yoo, S. J. B., 2011 Jan 1, ECOC 2011 - 37th European Conference and Exhibition on Optical Communication, Final Program. Institute of Electrical and Electronics Engineers Inc., 6066146. (European Conference on Optical Communication, ECOC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)

160-Gb/s orthogonal time-frequency domain multiplexed QPSK for ultra-high-spectral-efficient transmission

Sakamoto, T., Kanno, A., Kawanishi, T., Fontaine, N. K., Geisler, D. J., Scott, R. P. & Yoo, S. J. B., 2011 Dec 1, European Conference and Exposition on Optical Communications, ECOC 2011. (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

160 GHz reciprocating optical modulator using uniform fiber Bragg gratings

Kawanishi, T., Shinada, S., Sakamoto, T., Izutsu, M., Oikawa, S., Shimakura, Y. & Yoshiara, K., 2006 Jan 1, Proceedings - Thirteenth International Symposium on Temporal Representation and Reasoning, TIME 2006. IEEE Computer Society, 1636840. (2006 Optical Fiber Communication Conference, and the 2006 National Fiber Optic Engineers Conference; vol. 2006).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

160 GHz reciprocating optical modulator using uniform fiber Bragg gratings

Kawanishi, T., Shinada, S., Sakamoto, T., Izutsu, M., Oikawa, S., Shimakura, Y. & Yoshiara, K., 2006 Jan 1, National Fiber Optic Engineers Conference, NFOEC 2006. Optical Society of America, (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

160GHz two-tone lightwave generation using high extinction-ratio optical modulation

Kawanishi, T., Sakamoto, T., Tsuchiya, M. & Izutsu, M., 2006 Jan 1, 19th Annual Meeting of the IEEE Lasers and Electro-Optics Society, LEOS. Institute of Electrical and Electronics Engineers Inc., p. 195-196 2 p. 4054123. (Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)

166 Gb/s PDM-NRZ-DPSK modulation using thin-LiNbO3-substrate modulator

Kanno, A., Sakamoto, T., Chiba, A., Kawanishi, T., Higuma, K., Sudo, M. & Ichikawa, J., 2010 Jun 30, 2010 Conference on Optical Fiber Communication, Collocated National Fiber Optic Engineers Conference, OFC/NFOEC 2010. 5465634. (2010 Conference on Optical Fiber Communication, Collocated National Fiber Optic Engineers Conference, OFC/NFOEC 2010).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

166 Gb/s PDM-NRZ-DPSK modulation using thin-LiNbO3-substrate modulator

Kanno, A., Sakamoto, T., Chiba, A., Kawanishi, T., Higuma, K., Sudo, M. & Ichikawa, J., 2010 Dec 1, National Fiber Optic Engineers Conference, NFOEC 2010. (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

166 Gb/s PDM-NRZ-DPSK modulation using thin-LiNbO3-substrate modulator

Kanno, A., Sakamoto, T., Chiba, A., Kawanishi, T., Higuma, K., Sudo, M. & Ichikawa, J., 2010 Dec 1, Optical Fiber Communication Conference, OFC 2010. (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

16-Gbaud QPSK radio transmission using optical frequency comb with recirculating frequency shifter for 300-GHz RoF signal

Kanno, A., Morohashi, I., Kuri, T., Hosako, I., Kawanishi, T., Yasumura, Y., Yoshida, Y. & Kitayama, K. I., 2012 Dec 1, 2012 IEEE International Topical Meeting on Microwave Photonics, MWP 2012 - Proceedings. p. 298-301 4 p. 6474117. (2012 IEEE International Topical Meeting on Microwave Photonics, MWP 2012 - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

19 Citations (Scopus)

16-level optical quadrature amplitude modulation using monolithic quad-parallel mach-zehnder optical modulator and signal transmission over 75-km single-mode fiber

Chiba, A., Sakamoto, T., Kawanishi, T., Higuma, K., Sudou, M. & Ichikawa, J., 2010 Oct 11, Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference: 2010 Laser Science to Photonic Applications, CLEO/QELS 2010. 5499574. (Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference: 2010 Laser Science to Photonic Applications, CLEO/QELS 2010).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

16-level Optical quadrature amplitude modulation using monolithic quad-parallel mach-zehnder optical modulator and signal transmission over 75-km single-mode fiber

Chiba, A., Sakamoto, T., Kawanishi, T., Higuma, K., Sudou, M. & Ichikawa, J., 2010 Dec 1, Conference on Lasers and Electro-Optics, CLEO 2010. (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

16-level quadrature amplitude modulation by monolithic quad-parallel Mach-Zehnder optical modulator

Chiba, A., Sakamoto, T., Kawanishi, T., Higuma, K., Sudo, M. & Ichikawa, J., 2010 Feb 15, In : Electronics Letters. 46, 3, p. 220-222 3 p.

Research output: Contribution to journalArticle

40 Citations (Scopus)

16Mb DRAM/SOI technologies for sub-1V operation

Oashi, T., Eimori, T., Morishita, F., Iwamatsu, T., Yamaguchi, Y., Okuda, F., Shimomura, K., Shimano, H., Sakashita, N., Arimoto, K., Inoue, Y., Komori, S., Inuishi, M., Nishimura, T. & Miyoshi, H., 1996 Dec 1, In : Technical Digest - International Electron Devices Meeting. p. 609-612 4 p.

Research output: Contribution to journalConference article

6 Citations (Scopus)

16 QAM synthesis by angular superposition of polarization using dual-polarization QPSK modulator

Morohashi, I., Sudo, M., Sakamoto, T., Kanno, A., Chiba, A., Ichikawa, J. & Kawanishi, T., 2010 Dec 31, ECOC 2010 - 36th European Conference and Exhibition on Optical Communication, Proceedings. 5621090. (European Conference on Optical Communication, ECOC; vol. 1-2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

15 Citations (Scopus)

16-QAM transmitter using monolithically integrated quad Mach-Zehnder IQ modulator

Lu, G. W., Sakamoto, T., Chiba, A., Kawanishi, T., Miyazaki, T., Higuma, K., Sudo, M. & Ichikawa, J., 2010 Dec 31, ECOC 2010 - 36th European Conference and Exhibition on Optical Communication, Proceedings. 5621519. (European Conference on Optical Communication, ECOC; vol. 1-2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

8 Citations (Scopus)

16 Quadrature amplitude modulation using polarization-multiplexing QPSK modulator

Morohashi, I., Sudo, M., Sakamoto, T., Kanno, A., Chiba, A., Ichikawa, J., Kawanishi, T. & Hosako, I., 2010 Nov 29, Technical Digest - 15th OptoElectronics and Communications Conference, OECC2010. p. 446-447 2 p. 5588545. (Technical Digest - 15th OptoElectronics and Communications Conference, OECC2010).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

16s rRNA-targeted identification of cyanobacterial genera using oligonucleotide-probes immobilized on bacterial magnetic particles

Matsunaga, T., Takeyama, H. & Nakayama, H., 2001 Oct 16, In : Journal of Applied Phycology. 13, 4, p. 389-394 6 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

17(ß-Hydroxy-16α-[125I]iodowortmannin, a sensitive labeling agent for pi 3-kinases

Honzawa, S., Kurosu, H., Hazeki, O., Katada, T., Shibasaki, M. & Nakada, M., 1995 Jan 1, In : Chemical and Pharmaceutical Bulletin. 43, 12, p. 2276-2278 3 p.

Research output: Contribution to journalArticle

Open Access
2 Citations (Scopus)

17-bit oversampling D-to-A conversion technology using multistage noise shaping

Matsuya, Y., Uchimura, K., Iwata, A. & Kaneko, T., 1989 Aug 1, In : IEEE Journal of Solid-State Circuits. 24, 4, p. 969-975 7 p.

Research output: Contribution to journalConference article

44 Citations (Scopus)

17-Gb/s direct modulation of lambda-scale embedded active region photonic crystal lasers

Takeda, K., Sato, T., Shinya, A., Nozaki, K., Taniyama, H., Hasebe, K., Kakitsuka, T., Notomi, M. & Matsuo, S., 2013 Aug 26, 2013 International Conference on Indium Phosphide and Related Materials, IPRM 2013. 6562636. (Conference Proceedings - International Conference on Indium Phosphide and Related Materials).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

17α-Ethinylestradiol in Lakes of Hanoi and its effect on seed germination

Dang, H. M., Nguyen, N. T. T., Inagaki, Y., Akkanen, J. & Sakakibara, Y., 2019 Sep 14, In : Toxicological and Environmental Chemistry. 101, 7-8, p. 420-432 13 p.

Research output: Contribution to journalArticle

18-BIT FLOATING-POINT SIGNAL PROCESSOR VLSI WITH AN ON-CHIP 512W DUAL-PORT RAM.

Yamauchi, H., Kaneko, T., Kobayashi, T., Iwata, A. & Ono, S., 1985 Dec 1, In : ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. p. 204-207 4 p.

Research output: Contribution to journalConference article

1 Citation (Scopus)

18-GHz band low-power LC VCO IC using LC bias circuit in 56-nm SOI CMOS

Xu, X., Chen, C., Sugiura, T. & Yoshimasu, T., 2018 Jan 8, 2017 Asia Pacific Microwave Conference, APMC 2017 - Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. Part F134147. p. 938-941 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

19×10-GHz electro-optic ultra-flat frequency comb generation only using single conventional mach-zehnder modulator

Sakamoto, T., Kawanishi, T. & Izutsu, M., 2006 Dec 1, Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference, CLEO/QELS 2006. 4627674. (Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference, CLEO/QELS 2006).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

16 Citations (Scopus)

190-Gb/s CPRI-equivalent rate fiber-wireless mobile fronthaul for simultaneous transmission of LTE-A and F-OFDM signals

Dat, P. T., Kanno, A., Yamamoto, N. & Kawanishi, T., 2016, ECOC 2016; 42nd European Conference on Optical Communication. Institute of Electrical and Electronics Engineers Inc., p. 926-928 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

15 Citations (Scopus)
14 Citations (Scopus)

195Pt NMR spectra of head-to-head and head-to-tail amidato-bridged platinum(III) dinuclear complexes

Iwatsuki, S., Isomura, E., Wada, A., Ishihara, K. & Matsumoto, K., 2006 Jun 19, In : European Journal of Inorganic Chemistry. 12, p. 2484-2490 7 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

196Hg/202Hg ratio and Hg content in meteorites and terrestrial standard rocks: A RNAA study

Kumar, P., Ebihara, M. & Bhattacharya, S. K., 2001 Jan 1, In : GEOCHEMICAL JOURNAL. 35, 2, p. 101-116 16 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

19-core fiber transmission of 19×100×172-Gb/s SDM-WDM-PDM-QPSK signals at 305Tb/s

Sakaguchi, J., Puttnam, B. J., Klaus, W., Awaji, Y., Wada, N., Kanno, A., Kawanishi, T., Imamura, K., Inaba, H., Mukasa, K., Sugizaki, R., Kobayashi, T. & Watanabe, M., 2012 May 24, 2012 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference, OFC/NFOEC 2012. 6192250. (2012 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference, OFC/NFOEC 2012).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

83 Citations (Scopus)

19-core fiber transmission of 19x100x172-Gb/s SDM-WDM-PDM-QPSK signals at 305Tb/s

Sakaguchi, J., Puttnam, B. J., Klaus, W., Awaji, Y., Wada, N., Kanno, A., Kawanishi, T., Imamura, K., Inaba, H., Mukasa, K., Sugizaki, R., Kobayashi, T. & Watanabe, M., 2012 Dec 1, National Fiber Optic Engineers Conference, NFOEC 2012. (National Fiber Optic Engineers Conference, NFOEC 2012).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

19-core fiber transmission of 19x100x172-Gb/s SDM-WDM-PDM-QPSK signals at 305Tb/s

Sakaguchi, J., Puttnam, B. J., Klaus, W., Awaji, Y., Wada, N., Kanno, A., Kawanishi, T., Imamura, K., Inaba, H., Mukasa, K., Sugizaki, R., Kobayashi, T. & Watanabe, M., 2012, National Fiber Optic Engineers Conference, NFOEC 2012. Optical Society of America (OSA), (National Fiber Optic Engineers Conference, NFOEC 2012).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

112 Citations (Scopus)

19-core fiber transmission of 19x100x172-Gb/s SDM-WDM-PDM-QPSK signals at 305Tb/s

Sakaguchi, J., Puttnam, B. J., Klaus, W., Awaji, Y., Wada, N., Kanno, A., Kawanishi, T., Imamura, K., Inaba, H., Mukasa, K., Sugizaki, R., Kobayashi, T. & Watanabe, M., 2012, Optical Fiber Communication Conference, OFC 2012. Optical Society of America (OSA), (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

1a-Docosahexaenoyl mitomycin C: A novel inhibitor of protein tyrosine kinase

Shikano, M., Onimura, K., Fukai, Y., Hori, M., Fukazawa, H., Mizuno, S., Yazawa, K. & Uehara, Y., 1998 Jul 30, In : Biochemical and Biophysical Research Communications. 248, 3, p. 858-863 6 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

1-bit/s/Hz spectral efficiency OCDM technique based on multi-frequency homodyne detection and optical OFDM

Kaneko, S., Suzuki, H., Miki, N., Kimura, H. & Tsubokawa, M., 2007, 2007 33rd European Conference and Exhibition of Optical Communication, ECOC 2007. Institute of Electrical and Electronics Engineers Inc., 5758501

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

1-Butanol synthesis from ethanol over strontium phosphate hydroxyapatite catalysts with various Sr/P ratios

Ogo, S., Onda, A., Iwasa, Y., Hara, K., Fukuoka, A. & Yanagisawa, K., 2012 Dec, In : Journal of Catalysis. 296, p. 24-30 7 p.

Research output: Contribution to journalArticle

95 Citations (Scopus)

1DUMMY the Müller-Lyer illusion in ant foraging

Sakiyama, T. & Gunji, Y. P., 2013 Dec 11, In : PloS one. 8, 12, e81714.

Research output: Contribution to journalArticle

12 Citations (Scopus)

1-fJ/bit Direct Modulation of Photonic-Crystal Lasers

Takeda, K., Fujii, T., Shinya, A., Notomi, M., Kakitsuka, T. & Matsuo, S., 2018 Nov 14, 2018 European Conference on Optical Communication, ECOC 2018. Institute of Electrical and Electronics Engineers Inc., 8535198. (European Conference on Optical Communication, ECOC; vol. 2018-September).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1H-MRS-guided stereotactic brain biopsy

Chernov, M., Muragaki, Y., Taira, T. & Iseki, H., 2012 Feb 1, In : Stereotactic and Functional Neurosurgery. 90, 1, p. 63-65 3 p.

Research output: Contribution to journalLetter

5 Citations (Scopus)

1H-MRS of intracranial meningiomas: What it can add to known clinical and MRI predictors of the histopathological and biological characteristics of the tumor?

Chernov, M. F., Kasuya, H., Nakaya, K., Kato, K., Ono, Y., Yoshida, S., Muragaki, Y., Suzuki, T., Iseki, H., Kubo, O., Hori, T., Okada, Y. & Takakura, K., 2011 Apr 1, In : Clinical Neurology and Neurosurgery. 113, 3, p. 202-212 11 p.

Research output: Contribution to journalArticle

31 Citations (Scopus)

1Mb 4T-2MTJ nonvolatile STT-RAM for embedded memories using 32b fine-grained power gating technique with 1.0ns/200ps wake-up/power-off times

Ohsawa, T., Koike, H., Miura, S., Honjo, H., Tokutome, K., Ikeda, S., Hanyu, T., Ohno, H. & Endoh, T., 2012 Sep 28, 2012 Symposium on VLSI Circuits, VLSIC 2012. p. 46-47 2 p. 6243782. (IEEE Symposium on VLSI Circuits, Digest of Technical Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

50 Citations (Scopus)

1ms pulse beam generation and acceleration by photocathode radio frequency gun and superconducting accelerator

Kuriki, M., Iijima, H., Hosoda, S., Watanabe, K., Hayano, H., Urakawa, J., Isoyama, G., Kato, R., Kawase, K., Kuramoto, A., Kashiwagi, S. & Sakaue, K., 2013 May, In : Japanese Journal of Applied Physics. 52, 5 PART 1, 056401.

Research output: Contribution to journalArticle

5 Citations (Scopus)

1MT-2000 standards: Network aspects

Pandya, R., Grillo, D., Lycksell, E., Mieybégué, P., Okinaka, H. & Yabusaki, M., 1997 Aug, In : IEEE Personal Communications. 4, 4, p. 20-29 10 p.

Research output: Contribution to journalArticle

59 Citations (Scopus)

1pSC12. Visual displays of the voice pitch pattern for the CAI self-teaching system to discriminate Chinese tones

Sun, Q., Liu, S., Sunaoka, K. & Hiki, S., 2012, Proceedings of Meetings on Acoustics - 163rd Meeting Acoustical Society of America/ACOUSTCS 2012. Acoustical Society of America, Vol. 15. 060007

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1-second implementation of cnt-emitter arrays on glasses for blus

Furuichi, K., Shiratori, Y., Sekiguchi, K., Sugime, H. & Noda, S., 2009 Jan 1, In : Digest of Technical Papers - SID International Symposium. 40, 1, p. 139-141 3 p.

Research output: Contribution to journalConference article

1 Citation (Scopus)

1st international workshop on software patterns and quality (SPAQu'07)

Washizaki, H. & Yoshioka, N., 2007 Dec 1, Proceedings - 14th Asia-Pacific Software Engineering Conference, APSEC 2007. p. 557-558 2 p. 4425904. (Proceedings - Asia-Pacific Software Engineering Conference, APSEC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

1 THz-bandwidth optical comb generation using mach-zehnder-modulator-based flat comb generator with optical feedback loop

Morohashi, I., Sakamoto, T., Yamamoto, N., Sotobayashi, H., Kawanishi, T. & Hosako, I., 2011 Dec 1, Optical Fiber Communication Conference, OFC 2011. (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution