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• Article

  0.98-μm InGaAs-InGaP strained quantum-well lasers with GaAs-InGaP superlattice optical confinement layer

  Usami, M., Matsushima, Y. & Takahashi, Y., 1995 Jun, In: IEEE Journal on Selected Topics in Quantum Electronics. 1, 2, p. 244-249 6 p.

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

• 001 textured polycrystalline current-perpendicular-to-plane pseudo spin-valves using Co₂Fe(Ga_0.5Ge_0.5) Heusler alloy

  Du, Y., Varaprasad, B. S. D. C. S., Takahashi, Y. K., Furubayashi, T. & Hono, K., 2013 Nov 11, In: Applied Physics Letters. 103, 20, 202401.

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

• 1,1′-Dimethyl-4,4′-bipyridinium-smectites as a novel adsorbent of phenols from water through charge-transfer interactions

  Okada, T. & Ogawa, M., 2003 Jun 21, In: Chemical Communications. 9, 12, p. 1378-1379 2 p.

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

• 1,2-bis(ferrocenyl)digermene: A d-π electron system containing a Ge=Ge unit

  Sasamori, T., Miyamoto, H., Sakai, H., Furukawa, Y. & Tokitoh, N., 2012 May 28, In: Organometallics. 31, 10, p. 3904-3910 7 p.

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

• 1,2-bis(ferrocenyl)dipnictenes: Bimetallic systems with a Pn=Pn heavy π-spacer (Pn: P, Sb, and Bi)

  Sakagami, M., Sasamori, T., Sakai, H., Furukawa, Y. & Tokitoh, N., 2013, In: Bulletin of the Chemical Society of Japan. 86, 10, p. 1132-1143 12 p.

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

• 1,2-Bis(ferrocenyl)disilene: A multistep redox system with an Si=Si double bond

  Sasamori, T., Yuasa, A., Hosoi, Y., Furukawa, Y. & Tokitoh, N., 2008 Jul 28, In: Organometallics. 27, 14, p. 3325-3327 3 p.

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

• 1,2-Bis(ferrocenyl)-substituted distibene and dibismuthene: Sb=Sb and Bi=Bi units as π spacers between two ferrocenyl units

  Sakagami, M., Sasamori, T., Sakai, H., Furukawa, Y. & Tokitoh, N., 2013 Apr, In: Chemistry - An Asian Journal. 8, 4, p. 690-693 4 p.

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

• 1,2-bis[2,3,4,5,6-pentakis(phenylthio)phenyl]ethane

  Henderson, R. K., Macnicol, D. D. & Rowan, S. J., 1996 Jan 15, In: Acta Crystallographica Section C: Crystal Structure Communications. 52, 1, p. 210-212 3 p.

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

• 1,3-Rearrangement of ketene-N,O-acetals

  Suzuki, T., Inui, M., Hosokawa, S. & Kobayashi, S., 2003 Apr 28, In: Tetrahedron Letters. 44, 18, p. 3713-3716 4 p.

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

• 1,4-anti induction in C-glycosylation of pentose glycals

  Hosokawa, S., Kirschbaum, B. & Isobe, M., 1998 Apr 2, In: Tetrahedron Letters. 39, 14, p. 1917-1920 4 p.

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

• 1/f spectrum and 1-stable law in one-dimensional intermittent map with uniform invariant measure and Nekhoroshev stability

  Shinkai, S. & Aizawa, Y., 2012 Feb, In: Journal of the Physical Society of Japan. 81, 2, 024009.

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

• 1.14 b/s/Hz spectrally efficient 50 × 85.4-Gb/s transmission over 300 km using copolarized RZ-DQPSK signals

  Yoshikane, N. & Morita, I., 2005 Jan, In: Journal of Lightwave Technology. 23, 1, p. 108-114 7 p.

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

• 1.25/10.3Gbit/s dual-rate burst-mode receiver

  Hara, K., Kimura, S., Nakamura, H., Nishimura, K., Nakamura, M., Yoshimoto, N. & Tsubokawa, M., 2008 Jul 11, In: Electronics Letters. 44, 14, p. 869-870 2 p.

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

• 1.28-Tb/s (32 × 40 Gb/s) Free-Space Optical WDM Transmission System

  Ciaramella, E., Arimoto, Y., Contestabile, G., Presi, M., D'Errico, A., Guarino, V. & Matsumoto, M., 2009 Aug 15, In: IEEE Photonics Technology Letters. 21, 16, p. 1121-1123 3 p.

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

• 1.28 terabit/s (32×40 Gbit/s) WDM transmission system for free space optical communications

  Ciaramella, E., Arimoto, Y., Contestabile, G., Presi, M., D'Errico, A., Guarino, V. & Matsumoto, M., 2009 Dec, In: IEEE Journal on Selected Areas in Communications. 27, 9, p. 1639-1645 7 p., 5342323.

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

• 1.2 W 2.16 GOPS/720 MFLOPS embedded superscalar microprocessor for multimedia applications

  Kubosawa, H., Takahashi, H., Ando, S., Asada, Y., Asato, A., Suga, A., Kimura, M., Higaki, N., Miyake, H., Sato, T., Anbutsu, H., Tsuda, T., Yoshimura, T., Amano, I., Kai, M. & Mitarai, S., 1998, In: Unknown Journal. p. 290-291 2 p.

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

• 1.3m, 50Gbit/s electroabsorption modulators integrated with DFB laser for beyond 100G parallel LAN applications

  Fujisawa, T., Takahata, K., Kobayashi, W., Tadokoro, T., Fujiwara, N., Kanazawa, S. & Kano, F., 2011 Jun 9, In: Electronics Letters. 47, 12, p. 708-710 3 p.

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

• 1.3-μm, 4 × 25-Gbit/s, EADFB laser array module with large-output-power and low-driving-voltage for energy-efficient 100GbE transmitter

  Fujisawa, T., Kanazawa, S., Takahata, K., Kobayashi, W., Tadokoro, T., Ishii, H. & Kano, F., 2012 Jan 2, In: Optics Express. 20, 1, p. 614-620 7 p.

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

• 1.3-μ m 4 × 25-Gb/s monolithically integrated light source for metro area 100-Gb/s ethernet

  Fujisawa, T., Kanazawa, S., Ishii, H., Nunoya, N., Kawaguchi, Y., Ohki, A., Fujiwara, N., Takahata, K., Iga, R., Kano, F. & Oohashi, H., 2011, In: IEEE Photonics Technology Letters. 23, 6, p. 356-358 3 p., 5688187.

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

• 1.3-μm wavelength-tunable quantum-dot optical frequency comb generator integrated with absorptive optical attenuator

  Yamamoto, N., Akahane, K., Kawanishi, T., Katouf, R., Sotobayashi, H., Yoshioka, Y. & Takai, H., 2012 Feb, In: Physica Status Solidi (C) Current Topics in Solid State Physics. 9, 2, p. 282-285 4 p.

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

• 1.54 μm photoluminescence from Er:O_x centers at extremely low concentration in silicon at 300 K

  Celebrano, M., Ghirardini, L., Finazzi, M., Shimizu, Y., Tu, Y., Inoue, K., Nagai, Y., Shinada, T., Chiba, Y., Abdelghafar, A., Yano, M., Tanii, T. & Prati, E., 2017 Sept 1, In: Optics Letters. 42, 17, p. 3311-3314 4 p.

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

• 1.5 Minute-synthesis of continuous graphene films by chemical vapor deposition on Cu foils rolled in three dimensions

  Nagai, Y., Sugime, H. & Noda, S., 2019 Jun 29, In: Chemical Engineering Science. 201, p. 319-324 6 p.

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

• 1. 5 mu m RANGE InGaAsP/InP DISTRIBUTED FEEDBACK BURIED HETEROSTRUCTURE (DFB-BH) LASERS.

  Sakai, K., Akiba, S., Utaka, K. & Matsushima, Y., 1982, In: Denshi Tokyo. 21, p. 22-24 3 p.

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

• 1.5 μm GaInAsP/InP Distributed Reflector (DR) Lasers with SCH Structure

  Arima, I., Shim, J. I., Arai, S., Morita, I., Somchai, R., Suematsu, Y. & Komori, K., 1990 Jun, In: IEEE Photonics Technology Letters. 2, 6, p. 385-387 3 p.

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

• 1.5 μm Range InGaAsP/InP Distributed Feedback Lasers

  Sakai, K., Utaka, K., Akiba, S. & Matsushima, Y., 1982 Aug, In: IEEE Journal of Quantum Electronics. 18, 8, p. 1272-1278 7 p.

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

• 1.5-μm λ/4-Shifted InGaAsP/InP DFB Lasers

  Akiba, S., Usami, M. & Utaka, K., 1987 Nov, In: Journal of Lightwave Technology. 5, 11, p. 1564-1573 10 p.

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

• 1·5–1·6 µm GaInAsP/InP integrated twin-guide lasers with first-order distributed bragg reflectors

  Utaka, K., Kobayashi, K., Kishino, K. & Suematsu, Y., 1980 Jun 5, In: Electronics Letters. 16, 12, p. 455-456 2 p.

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

• 10.16-Peta-B/s Dense SDM/WDM Transmission over 6-Mode 19-Core Fiber Across the C+L Band

  Soma, D., Wakayama, Y., Beppu, S., Sumita, S., Tsuritani, T., Hayashi, T., Nagashima, T., Suzuki, M., Yoshida, M., Kasai, K., Nakazawa, M., Takahashi, H., Igarashi, K., Morita, I. & Suzuki, M., 2018 Mar 15, In: Journal of Lightwave Technology. 36, 6, p. 1362-1368 7 p.

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

• 100.

  Oshima, C., Aono, M., Tanaka, T., Kawai, S., Shimizu, R. & Hagiwara, H., 1980 Feb, In: Journal of Applied Physics. 51, 2, p. 1201-1206 6 p.

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

• 100% renewable energy system in Japan: Smoothening and ancillary services

  Esteban, M., Portugal-Pereira, J., Mclellan, B. C., Bricker, J., Farzaneh, H., Djalilova, N., Ishihara, K. N., Takagi, H. & Roeber, V., 2018 Aug 15, In: Applied Energy. 224, p. 698-707 10 p.

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

• 10000-Hour continous CW operation of InGaAsP/InP heterostructure lasers with a buffer layer at room temperature

  Noda, Y., Sakai, K., Matsushima, Y. & Akiba, S., 1981, In: Japanese Journal of Applied Physics. 20, 5, p. 997-998 2 p.

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

• 10000-Hour Continous CW Operation of InGaAsP/InP Heterostructure Lasers with a Buffer Layer at Room Temperature

  Noda, Y., Sakai, K., Matsushima, Y. & Akiba, S., 1981 Jan 1, In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 20, 5, p. 997-998 2 p.

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

• 100-Gb/s Direct-Detection OFDM transmission on independent polarization tributaries

  Amin, A. A., Takahashi, H., Monta, I. & Tanaka, H., 2010 Apr 1, In: IEEE Photonics Technology Letters. 22, 7, p. 468-470 3 p., 5404936.

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

• 100 Gb/s DQPSK field trial: Live video transmission over an operating LambdaXtreme® network

  Raybon, G., Winzer, P. J., Song, H., Adamiecki, A., Corteselli, S., Gnauck, A. H., Kissell, T., Fishman, D. A., Denkin, N. M., Kao, Y. H., Downs, T. L., Carenza, A., Scrudato, S., Goode, E. H., Thompson, W. A., Doerr, C. R., Buhl, L. L., Xia, T., Wellbrock, G., Lee, W., & 9 othersLyons, G., Hofmann, P., Fisk, T. T., Basch, E. B., Kluge, W. J., Gatewood, J. R., Kawanishi, T., Higuma, K. & Painchaud, Y., 2010, In: Bell Labs Technical Journal. 14, 4, p. 85-113 29 p.

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

• 100-Gb/s DQPSK transmission: From laboratory experiments to field trials

  Winzer, P. J., Raybon, G., Song, H., Adamiecki, A., Corteselli, S., Gnauck, A. H., Fishman, D. A., Doerr, C. R., Chandrasekhar, S., Buhl, L. L., Xia, T. J., Wellbrock, G., Lee, W., Basch, B., Kawanishi, T., Higuma, K. & Painchaud, Y., 2008 Oct 15, In: Journal of Lightwave Technology. 26, 20, p. 3388-3402 15 p.

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

• 100-Gb/s DQPSK transmission experiment without OTDM for 100G ethernet transport

  Daikoku, M., Morita, I., Taga, H., Tanaka, H., Kawanishi, T., Sakamoto, T., Miyazaki, T. & Fujita, T., 2007 Jan, In: Journal of Lightwave Technology. 25, 1, p. 139-145 7 p.

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

• 100GbE: QPSK versus OFDM

  Jansen, S. L., Spinnler, B., Morita, I., Randel, S. & Tanaka, H., 2009, In: Optical Fiber Technology. 15, 5-6, p. 407-413 7 p.

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

• 100-GHz Fiber-Fed Optical-To-Radio Converter for Radio-And Power-Over-Fiber Transmission

  Umezawa, T., Kashima, K., Kanno, A., Matsumoto, A., Akahane, K., Yamamoto, N. & Kawanishi, T., 2017 May 1, In: IEEE Journal of Selected Topics in Quantum Electronics. 23, 3, p. 23-30 8 p., 7572186.

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

• 100-GHz Radio and Power over Fiber Transmission Through Multicore Fiber Using Optical-to-Radio Converter

  Umezawa, T., Dat, P. T., Kashima, K., Kanno, A., Yamamoto, N. & Kawanishi, T., 2018 Jan 15, In: Journal of Lightwave Technology. 36, 2, p. 617-623 7 p.

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

• 101 things to do with Japanese yen

  Featonby, D. & Ogawa, S., 2009 Jul 23, In: Physics Education. 44, 3, p. 234-235 2 p.

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

• 1064-nanometer-excited Fourier transform Raman spectroscopy of conducting polymers

  Furukawa, Y., Ohta, H., Sakamoto, A. & Tasumi, M., 1991, In: Spectrochimica Acta Part A: Molecular Spectroscopy. 47, 9-10, p. 1367-1373 7 p.

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

• 1064 nm deep near-infrared (NIR) excited raman microspectroscopy for studying photolabile organisms

  Ando, M., Sugiura, M., Hayashi, H. & Hamaguchi, H. O., 2011 May, In: Applied Spectroscopy. 65, 5, p. 488-492 5 p.

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

• 1064-nm-excited Fourier transform Raman studies of bacteriochlorophyll-a in solid films and in a blue-green mutant of Rhodobacter sphaeroides

  Noguchi, T., Furukawa, Y. & Tasumi, M., 1991, In: Spectrochimica Acta Part A: Molecular Spectroscopy. 47, 9-10, p. 1431-1440 10 p.

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

• 10-Gb/s external modulation in optical CPFSK format

  Sakamoto, T., Kawanishi, T., Miyazaki, T. & Izutsu, M., 2006 Apr 15, In: IEEE Photonics Technology Letters. 18, 8, p. 968-970 3 p.

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

• 10-Gb/s two-channel monolithic photoreceiver array using waveguide p-i-n PD's and HEMT's

  Takahata, K., Muramoto, Y., Akatsu, Y., Akahori, Y., Kozen, A. & Itaya, Y., 1996 Apr, In: IEEE Photonics Technology Letters. 8, 4, p. 563-565 3 p.

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

• 10 Gbit/s FSK transmission over 95 km SMF using a LiNbO₃ modulator

  Fujita, T., Kawanishi, T., Higuma, K., Ichikawa, J., Shinada, S., Sakamoto, T. & Izutsu, M., 2005 Jan, In: ieice electronics express. 2, 1, p. 32-36 5 p.

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

• 10-Gbit/s inp-based high-performance monolithic photoreceivers consisting of p-i-n photodiodes and hemt's

  Takahata, K., Muramoto, Y., Kato, K., Akatsu, Y., Kozen, A. & Akahori, Y., 2000 Jun, In: IEICE Transactions on Electronics. E83-C, 6, p. 950-957 8 p.

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

• 10Gbit/s optical demultiplexing and switching by sinusoidally driven InGaAsP electroabsorption modulators

  Suzuki, M., Tanaka, H. & Matsushima, Y., 1992 May 7, In: Electronics Letters. 28, 10, p. 934-935 2 p.

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

• 10 GHz, 2.4 ps pulse generation using a single-stage dual-drive Mach-Zehnder modulator

  Sakamoto, T., Kawanishi, T. & Tsuchiya, M., 2008 Apr 15, In: Optics Letters. 33, 8, p. 890-892 3 p.

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

• 10-GHz high-repetition optical short pulse generation from wavelength-tunable quantum dot optical frequency comb laser

  Yamamoto, N., Akahane, K., Kawanishi, T., Sotobayashi, H., Yoshioka, Y. & Takai, H., 2013 Feb, In: IEICE Transactions on Electronics. E96-C, 2, p. 187-191 5 p.

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