Toshihiro Kawano

次席研究員(研究院講師)

  • 619 Citations
  • 14 h-Index
1984 …2012
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Research Output 1984 2012

  • 619 Citations
  • 14 h-Index
  • 24 Article
  • 7 Conference contribution
  • 2 Chapter
  • 1 Conference article
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Article
2011
76 Citations (Scopus)

Over 3.0 gw/cm2 figure-of-merit gan p-n junction diodes on free-standing gan substrates

Hatakeyama, Y., Nomoto, K., Kaneda, N., Kawano, T., Mishima, T. & Nakamura, T., 2011 Dec, In : IEEE Electron Device Letters. 32, 12, p. 1674-1676 3 p., 6042353.

Research output: Contribution to journalArticle

Diodes
Substrates
Electric breakdown
Electrodes
Leakage currents
2001
20 Citations (Scopus)

Underwater laser welding by 4kW CW YAG laser

Yamashita, Y., Kawano, T. & Mann, K., 2001 Oct, In : Journal of Nuclear Science and Technology. 38, 10, p. 891-895 5 p.

Research output: Contribution to journalArticle

Underwater welding
laser welding
Continuous wave lasers
Laser beam welding
nuclear power plants
1995
19 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, In : IEEE Journal on Selected Topics in Quantum Electronics. 1, 2, p. 203-210 8 p.

Research output: Contribution to journalArticle

optical interconnects
Optical interconnects
laser arrays
threshold currents
thresholds
16 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, In : IEEE Photonics Technology Letters. 7, 1, p. 1-3 3 p.

Research output: Contribution to journalArticle

optical interconnects
Optical interconnects
laser arrays
threshold currents
Light sources
1994
8 Citations (Scopus)

Dislocation reduction in InP layers grown on sawtooth-patterned GaAs substrates

Okuno, Y., Kawano, T., Koguchi, M., Nakamura, K. & Kakibayashi, H., 1994 Apr 1, In : Journal of Crystal Growth. 137, 3-4, p. 313-318 6 p.

Research output: Contribution to journalArticle

Crystalline materials
Substrates
Low pressure chemical vapor deposition
Lattice mismatch
Epitaxial layers
23 Citations (Scopus)

Investigation of effect of strain on low-threshold 1.3μm InGaAsP strained-layer quantum well lasers

Tsuchiya, T., Komori, M., Uomi, K., Oka, A., Kawano, T. & Oishi, A., 1994 May 12, In : Electronics Letters. 30, 10, p. 788-789 2 p.

Research output: Contribution to journalArticle

Quantum well lasers
Photoluminescence
Threshold current density
Full width at half maximum
Wavelength
12 Citations (Scopus)

New photonic device integration by selective-area move and its application to optical modulator/laser integration (invited paper)

Aoki, M., Suzuki, M., Taniwatari, T., Sano, H. & Kawano, T., 1994 Jan 1, In : Microwave and Optical Technology Letters. 7, 3, p. 132-139 8 p.

Research output: Contribution to journalArticle

Photonic devices
Light modulators
modulators
Semiconductor quantum wells
photonics
Power control
Photonics
photonics
Distributed feedback lasers
Organic chemicals
10 Citations (Scopus)

Study of threading dislocation reduction by strained interlayer in InP layers grown on GaAs substrates

Okuno, Y. & Kawano, T., 1994 Dec 2, In : Journal of Crystal Growth. 145, 1-4, p. 338-344 7 p.

Research output: Contribution to journalArticle

Lattice constants
interlayers
Strain relaxation
Metallorganic vapor phase epitaxy
Substrates
1993
161 Citations (Scopus)

InGaAs/InGaAsP MQW Electroabsorption Modulator Integrated with a DFB Laser Fabricated by Band-Gap Energy Control Selective Area MOCVD

Aoki, M., Suzuki, M., Sano, H., Kawano, T., Ido, T., Taniwatari, T., Uomi, K. & Takai, A., 1993, In : IEEE Journal of Quantum Electronics. 29, 6, p. 2088-2096 9 p.

Research output: Contribution to journalArticle

Electroabsorption modulators
Distributed feedback lasers
Metallorganic chemical vapor deposition
distributed feedback lasers
Power control
4 Citations (Scopus)

In situ X-ray monitoring of metalorganic vapor phase epitaxy

Tsuchiya, T., Taniwatari, T., Uomi, K., Kawano, T. & Ono, Y., 1993 Oct, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 32, 10, p. 4652-4655 4 p.

Research output: Contribution to journalArticle

Metallorganic vapor phase epitaxy
vapor phase epitaxy
Lattice mismatch
X rays
Monitoring
16 Citations (Scopus)

Low drive voltage and extremely low chirp integrated electroabsorption modulator/DFB laser for 2.5 Gbit/s 200 km normal fibre transmission

Aoki, M., Kikuchi, N., Sekine, K., Sasaki, S., Suzuki, M., Taniwatari, T., Okuno, Y., Takai, A. & Kawano, T., 1993 Jan 1, In : Electronics Letters. 29, 22, p. 1983-1984 2 p.

Research output: Contribution to journalArticle

Electroabsorption modulators
Distributed feedback lasers
Fibers
Electric potential
7 Citations (Scopus)
interlayers
Fabrication
Wavelength
fabrication
Lasers
1992
14 Citations (Scopus)

Heteroepitaxial GaAs layers on InP substrates: Radiative recombinations, strain relaxation, structural properties, and comparison with InP layers on GaAs

Olego, D. J., Okuno, Y., Kawano, T. & Tamura, M., 1992, In : Journal of Applied Physics. 71, 9, p. 4502-4508 7 p.

Research output: Contribution to journalArticle

radiative recombination
x ray diffraction
valence
photoluminescence
thermal expansion
3 Citations (Scopus)

Heteroepitaxial InP layers grown by metalorganic chemical vapor deposition on novel GaAs on Si buffers obtained by molecular beam epitaxy

Olego, D. J., Tamura, M., Okuno, Y., Kawano, T. & Hashimoto, A., 1992, In : Journal of Applied Physics. 71, 9, p. 4329-4332 4 p.

Research output: Contribution to journalArticle

metalorganic chemical vapor deposition
molecular beam epitaxy
buffers
interlayers
x ray diffraction
39 Citations (Scopus)

High-Extinction-Ratio MQW Electroabsorption-Modulator Integrated DFB Laser Fabricated by In-Plane Bandgap Energy Control Technique

Aoki, M., Takahashi, M., Suzuki, M., Sano, H., Uomi, K., Kawano, T. & Takai, A., 1992, In : IEEE Photonics Technology Letters. 4, 6, p. 580-582 3 p.

Research output: Contribution to journalArticle

Electroabsorption modulators
Distributed feedback lasers
Metallorganic chemical vapor deposition
threshold currents
Power control
53 Citations (Scopus)

High-speed (10 Gbit/s) and low-drive-voltage (1 V peak to peaK) InGaAs/InGaAsp MQW electroabsorption-modulator integrated DFB laser with semi-insulating buried heterostructure

Aoki, M., Suzuki, M., Takahashi, M., Sano, H., Ido, T., Kawano, T. & Takai, A., 1992 Jun 4, In : Electronics Letters. 28, 12, p. 1157-1158 2 p.

Research output: Contribution to journalArticle

Electroabsorption modulators
Distributed feedback lasers
Heterojunctions
Modulation
Electric potential
17 Citations (Scopus)

Low-Threshold (3.2 mA per Element) 1.3 μm InGaAsP MQW Laser Array on a p-Type Substrate

Yamashita, S., Oka, A., Kawano, T., Tsuchiya, T., Saitoh, K., Uomi, K. & Ono, Y., 1992, In : IEEE Photonics Technology Letters. 4, 9, p. 954-957 4 p.

Research output: Contribution to journalArticle

laser arrays
thresholds
Lasers
Substrates
threshold currents
31 Citations (Scopus)

Structural and optoelectronic properties and their relationship with strain relaxation in heteroepitaxial InP layers grown on GaAs substrates

Olego, D. J., Okuno, Y., Kawano, T. & Tamura, M., 1992, In : Journal of Applied Physics. 71, 9, p. 4492-4501 10 p.

Research output: Contribution to journalArticle

radiative recombination
metalorganic chemical vapor deposition
x ray diffraction
low pressure
photoluminescence
1991
15 Citations (Scopus)

High-Power 780 Nm Algaas Quantum-Well Lasers and Their Reliable Operation

Yamashita, S., Nakatsuka, S. I., Uchida, K., Kawano, T. & Kajimura, T., 1991, In : IEEE Journal of Quantum Electronics. 27, 6, p. 1544-1549 6 p.

Research output: Contribution to journalArticle

Quantum well lasers
quantum well lasers
Semiconductor quantum wells
aluminum gallium arsenides
Ternary alloys
1989
1 Citation (Scopus)
aluminum gallium arsenides
Semiconductor lasers
Refractive index
semiconductor lasers
Reflective coatings
23 Citations (Scopus)

Lasing wavelengths of index-guided AlGaInP semiconductor lasers as functions of off-angle from (100) plane of GaAs substrate

Tanaka, T., Minagawa, S., Kawano, T. & Kajimura, T., 1989 Jul 6, In : Electronics Letters. 25, 14, p. 905-907 3 p.

Research output: Contribution to journalArticle

Semiconductor lasers
Wavelength
Substrates
Laser modes
1988
13 Citations (Scopus)

High-power operation in self-sustained pulsating AlGaAs semiconductor lasers with multiquantum well active layer

Tanaka, T., Kawano, T. & Kajimura, T., 1988, In : Applied Physics Letters. 53, 25, p. 2471-2473 3 p.

Research output: Contribution to journalArticle

aluminum gallium arsenides
semiconductor lasers
low noise
flat surfaces
output
1984
10 Citations (Scopus)

High-power visible GaAlAs lasers with self-aligned strip buried heterostructure

Ohtoshi, T., Kawano, T., Sasaki, Y., Kajimura, T., Chinone, N. & Nakamura, M., 1984, In : Journal of Applied Physics. 56, 9, p. 2491-2496 6 p.

Research output: Contribution to journalArticle

strip
lasers
waveguides
lasing
flat surfaces