Research Output 1973 2018

2018

Analysis on Si modified MMI-waveguide-type optical switch operated with carrier injection

Shirai, T., Ishikawa, A., Matsushima, Y., Ishikawa, H. & Utaka, K., 2018 Jan 2, 22nd Microoptics Conference, MOC 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-January. p. 316-317 2 p.

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

Optical switches
carrier injection
Waveguides
switches
waveguides

Demonstration of All-Optical Logic Gate Device Using MQW-SOA and 10 Gbps XNOR Operation

Akashi, Y., Matsui, S., Isawa, S., Matsushita, A., Matsumoto, A., Matsushima, Y., Ishikawa, H. & Utaka, K., 2018 Jan 1, (Accepted/In press) In : Physica Status Solidi (A) Applications and Materials Science.

Research output: Contribution to journalArticle

Semiconductor optical amplifiers
Logic gates
Four wave mixing
light amplifiers
Semiconductor quantum wells

Lasing characteristics of intermixed highly-stacked quantum dot structure by ion implantation for wavelength-manipulated light sources

Matsui, S., Akashi, Y., Isawa, S., Matsumoto, A., Akahane, K., Matsushima, Y., Ishikawa, H. & Utaka, K., 2018 Jan 2, 22nd Microoptics Conference, MOC 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-January. p. 92-93 2 p.

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

Ion implantation
Semiconductor quantum dots
Light sources
lasing
ion implantation

Sequential Fish Catch Forecasting Using Bayesian State Space Models

Kokaki, Y., Tawara, N., Kobayashi, T., Hashimoto, K. & Ogawa, T., 2018 Nov 26, 2018 24th International Conference on Pattern Recognition, ICPR 2018. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-August. p. 776-781 6 p. 8546069

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

Fish
Fisheries
Hamiltonians
Decision trees
Parameter estimation
2017

Device design of silicon 2×2 mach-zehnder-type optical switch for polarization-independent operation

Shimizu, K., Asakawa, S., Suehiro, D., Matsushima, Y., Ishikawa, H. & Utaka, K., 2017 Jan 1, Advanced Photonics, PS 2017. OSA - The Optical Society, Vol. Part F57-PS 2017.

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

Optical switches
Silicon
Phase shift
Mach number
Waveguides

Fundamental characteristics of double-reflection waveguide-type kretschmann-structure surface plasmon resonance (SPR) sensor for high-sensitiviy and wide-measurable range

Tansho, H., Konuma, S., Matsushima, Y., Ishikawa, H. & Utaka, K., 2017 Nov 22, 2017 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-January. p. 1-2 2 p.

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

Surface plasmon resonance
surface plasmon resonance
Waveguides
waveguides
sensitivity

Fundamental characteristics of double-reflection waveguide-type Kretschmann-structure surface plasmon resonance (SPR) sensor for high-sensitiviy and wide-measurable range

Tansho, H., Konuma, S., Matsushima, Y., Ishikawa, H. & Utaka, K., 2017 Jan 1, Conference on Lasers and Electro-Optics/Pacific Rim, CLEOPR 2017. OSA - The Optical Society, Vol. Part F122-CLEOPR 2017. s2084

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

Surface plasmon resonance
Waveguides
Sensors
1 Citation (Scopus)

Polarization-independent and colorless switching operation of three-dimensional 4 - 4 polymer optical switch with two-layered waveguide structure

Kimura, Y., Kobayashi, H., Ema, K., Matsushima, Y., Ishikawa, H. & Utaka, K., 2017 Dec 1, In : Japanese Journal of Applied Physics. 56, 12, 120304.

Research output: Contribution to journalArticle

Optical switches
Waveguides
switches
Polarization
waveguides
1 Citation (Scopus)

R&D of 3M technologies towards the realization of exabit/s optical communications

Morioka, T., Awaji, Y., Matsushima, Y. & Kamiya, T., 2017 Sep 1, In : IEICE Transactions on Communications. E100B, 9, p. 1707-1715 9 p.

Research output: Contribution to journalReview article

Optical communication
Modulation
Fibers

Thermally stable Ar-implantation-induced intermixed quantum dot laser diode in high-temperature region

Matsumoto, A., Akahane, K., Matsui, S., Akashi, Y., Umezawa, T., Yamamoto, N., Matsushima, Y., Ishikawa, H. & Utaka, K., 2017 Jan 1, The European Conference on Lasers and Electro-Optics, CLEO_Europe 2017. OSA - The Optical Society, Vol. Part F82-CLEO_Europe 2017.

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

Quantum dot lasers
Semiconductor lasers
Temperature

Three-dimensional 4×4 polymer optical switch using vertical multimode interference couplers for flexible expansion of connectable vertical distant

Kimura, Y., Ema, K., Matsushima, Y., Ishikawa, H. & Utaka, K., 2017 Nov 17, 2017 Opto-Electronics and Communications Conference, OECC 2017 and Photonics Global Conference, PGC 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-November. p. 1-2 2 p.

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

Optical switches
Polymers
2016

Analysis of polymer double-reflection waveguide-type Kretschmann-structure surface plasmon resonance sensor for high-sensitive and wide-measurable range

Tansho, H., Kuroda, Y., Ishikawa, H., Matsushima, Y. & Utaka, K., 2016 Feb 23, MOC 2015 - Technical Digest of 20th Microoptics Conference. Institute of Electrical and Electronics Engineers Inc., 7416525

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

Surface plasmon resonance
surface plasmon resonance
Polymers
Waveguides
waveguides
1 Citation (Scopus)

A potential base substrate for deformable scintillation materials

Nakamura, H., Sato, N., Kitamura, H., Shirakawa, Y. & Takahashi, S., 2016 May 11, In : Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 818, p. 91-94 4 p.

Research output: Contribution to journalArticle

Scintillation
scintillation
polysiloxanes
Silicones
rings
1 Citation (Scopus)

Ar implantation-induced quantum dot intermixing technique for 1550 nm-band highly stacked QD photonic integrated circuit

Matsumoto, A., Takei, Y., Akahane, K., Matsui, S., Umezawa, T., Yamamoto, N., Matsushima, Y. & Utaka, K., 2016 Dec 16, 2016 Conference on Lasers and Electro-Optics, CLEO 2016. Institute of Electrical and Electronics Engineers Inc., 7788806

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

Photonics
Semiconductor quantum dots
integrated circuits
Integrated circuits
implantation
1 Citation (Scopus)

Colorless and polarization-independent polymer two-layered 4×4 optical switch for three-dimensional optical interconnection

Kimura, Y., Ema, K., Matsushima, Y., Ishikawa, H. & Utaka, K., 2016 Feb 23, MOC 2015 - Technical Digest of 20th Microoptics Conference. Institute of Electrical and Electronics Engineers Inc., 7416519

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

Optical interconnects
Optical switches
Polymers
switches
Polarization

Exclusive attributes of undoped poly (ethylene terephthalate) for alpha particle detection

Nakamura, H., Sato, N., Kitamura, H., Maki, D., Shirakawa, Y. & Takahashi, S., 2016 Sep 1, In : Radiation Measurements. 92, p. 54-58 5 p.

Research output: Contribution to journalArticle

Alpha particles
polyethylene terephthalate
Polyethylene terephthalates
alpha particles
Refractive index
1 Citation (Scopus)

Photonic integrated device of highly-stacked quantum dot using quantum dot intermixing by ion implantation

Matsui, S., Takei, Y., Matsumoto, A., Akahane, K., Matsushima, Y., Ishikawa, H. & Utaka, K., 2016 Aug 1, 2016 Compound Semiconductor Week, CSW 2016 - Includes 28th International Conference on Indium Phosphide and Related Materials, IPRM and 43rd International Symposium on Compound Semiconductors, ISCS 2016. Institute of Electrical and Electronics Engineers Inc., 7528583

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

Ion implantation
Photonics
Semiconductor quantum dots
Resonators
Quantum dot lasers
4 Citations (Scopus)

Potentialities for a regional public participation framework in Asia: An environmental assessment perspective

Ogihara, A., Shimaoka, M. & Roppongi, H., 2016 Mar 1, In : Land Use Policy. 52, p. 535-542 8 p.

Research output: Contribution to journalArticle

environmental assessment
participation
information exchange
stakeholders
public participation

Scenario in synthetic-type research: Its role and description an investigation from synthesiology papers

Ono, A., Akamatsu, M. & Kobayashi, N., 2016 Mar 19, In : Synthesiology. 9, 1, p. 26-38 13 p.

Research output: Contribution to journalArticle

scenario
scientific journal
editor
university
language
1 Citation (Scopus)

Scenario in synthetic-type research: Its role and description: An investigation from synthesiology papers

Ono, A., Akamatsu, M. & Kobayashi, N., 2016 Mar 19, In : Synthesiology. 9, 1, p. 27-41 15 p.

Research output: Contribution to journalArticle

scenario
scientific journal
editor
university
language
2015

Changing the culture of R&D

Carleton, T., Cockayne, W. & Sawatani, Y., 2015 May 1, In : Research Technology Management. 58, 3, p. 9-10 2 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Context aware services: A novel trend in iot based research in smart city project

Fujiwara, Y., Yamada, K., Tabata, K., Oda, M., Hashimoto, K., Suganuma, T., Rahim, A., Vlacheas, P., Stavroulaki, V., Kelaidonis, D. & Georgakopoulos, A., 2015 Sep 21, Proceedings - International Computer Software and Applications Conference. IEEE Computer Society, Vol. 3. p. 479-480 2 p. 7273408

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

Earthquakes
Smart city
Carbon
10 Citations (Scopus)

Gain characteristics and femto-second optical pulse response of 1550 nm-band multi-stacked QD-SOA grown on InP(311)B substrate

Matsumoto, A., Takei, Y., Matsushita, A., Akahane, K., Matsushima, Y., Ishikawa, H. & Utaka, K., 2015 Jun 1, In : Optics Communications. 344, p. 51-54 4 p.

Research output: Contribution to journalArticle

Service oriented architecture (SOA)
Laser pulses
Logic gates
Substrates
pulses

IKaaS data modeling: A data model for community services and environment monitoring in smart city

Hashimoto, K., Yamada, K., Tabata, K., Oda, M., Suganuma, T., Rahim, A., Vlacheas, P., Stavroulaki, V., Kelaidonis, D. & Georgakopoulos, A., 2015 Sep 14, Proceedings - IEEE International Conference on Autonomic Computing, ICAC 2015. Institute of Electrical and Electronics Engineers Inc., p. 301-306 6 p. 7266984

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

Data structures
Monitoring
Ontology
Sensors
Semantic Web

Performance simulation of novel silicon cross-waveguide reflection-type optical switch

Shimada, Y., Fujiwara, Y., Matsumoto, A., Ishikawa, A., Matsushima, Y., Ishikawa, H. & Utaka, K., 2015 Nov 13, 2015 International Conference on Photonics in Switching, PS 2015. Institute of Electrical and Electronics Engineers Inc., p. 58-60 3 p. 7328952

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

Optical switches
Crosstalk
Waveguides
Silicon
2014

Experimental and calculated gain characteristics of 1550nm-band QD-SOA grown on InP(311)B substrate for ultra-fast all-optical logic gate devices

Matsumoto, A., Takei, Y., Matsushita, A., Akahane, K., Matsushima, Y. & Utaka, K., 2014, 2014 OptoElectronics and Communication Conference, OECC 2014 and Australian Conference on Optical Fibre Technology, ACOFT 2014. IEEE Computer Society, p. 718-719 2 p. 6888244

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

Piezoelectricity
Logic gates
Service oriented architecture (SOA)
Substrates

Further advancement of today's optical fiber communications infrastructure

Kamiya, T. & Matsushima, Y., 2014, In : Journal of the Institute of Electronics, Information and Communication Engineers. 97, 2, p. 124-126 3 p.

Research output: Contribution to journalArticle

Gain characteristics and femto-second optical pulse response of 1550nm-band QD-SOA for ultra-fast all-optical logic gate devices

Matsumoto, A., Takei, Y., Matsushita, A., Akahane, K., Matsushima, Y. & Utaka, K., 2014, Conference Proceedings - International Conference on Indium Phosphide and Related Materials. Institute of Electrical and Electronics Engineers Inc., 6880561

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

Logic gates
Service oriented architecture (SOA)
Laser pulses
Laser modes
Autocorrelation
2 Citations (Scopus)

High-speed and cNon-blocking 8×8 InAlGaAs/InAlAs Mach-Zehnder-Type optical switch fabric

Kouketsu, H., Kawasaki, S., Koyama, N., Takei, A., Taniguchi, T., Matsushima, Y. & Utaka, K., 2014 Mar 3, Optical Fiber Communication Conference, OFC 2014. Optical Society of America (OSA)

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

Optical switches
Mach number

High-speed and compact non-blocking 8×8 InAlGaAs/InAlAs Mach-Zehnder-type optical switch fabric

Kouketsu, H., Kawasaki, S., Koyama, N., Takei, A., Taniguchi, T., Matsushima, Y. & Utaka, K., 2014, Optics InfoBase Conference Papers. Optical Society of America

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

Optical switches
Mach number
switches
high speed
6 Citations (Scopus)

High-speed and compact non-blocking 8×8 InAlGaAs/InAlAs Mach-Zehnder-type optical switch fabric

Kouketsu, H., Kawasaki, S., Koyama, N., Takei, A., Taniguchi, T., Matsushima, Y. & Utaka, K., 2014, Conference on Optical Fiber Communication, Technical Digest Series. Institute of Electrical and Electronics Engineers Inc., 6886566

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

Optical switches
Mach number

Improved characteristics of polymer waveguide-type Kretschmann-structure surface plasmon resonance sensor at 1500nm wavelength range

Kuroda, Y., Hidaka, N., Matsushima, Y. & Utaka, K., 2014, 2014 OptoElectronics and Communication Conference, OECC 2014 and Australian Conference on Optical Fibre Technology, ACOFT 2014. IEEE Computer Society, p. 726-727 2 p. 6888247

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

Surface plasmon resonance
Refractive index
Waveguides
Fabrication
Wavelength
10 Citations (Scopus)

Intermixing of InP-based quantum dots and application to micro-ring resonator wavelength-selective filter for photonic integrated devices

Matsumoto, A., Matsushita, A., Takei, Y., Akahane, K., Matsushima, Y., Ishikawa, H. & Utaka, K., 2014 Sep 1, In : Applied Physics Express. 7, 9, 092801.

Research output: Contribution to journalArticle

Photonics
Semiconductor quantum dots
Resonators
resonators
quantum dots

Micro-ring-resonator wavelength-selective filter using highly-stacked quantum dot intermixed waveguide

Takei, Y., Matsumoto, A., Matsushita, A., Akahane, K., Matsushima, Y. & Utaka, K., 2014, Conference Proceedings - International Conference on Indium Phosphide and Related Materials. Institute of Electrical and Electronics Engineers Inc., 6880523

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

Reactive ion etching
Semiconductor quantum dots
Resonators
Etching
Waveguides

Nonlinear optical property of CNT embedded in Si slot waveguide

Fukuda, K., Yamada, S., Kuwae, H., Mizuno, J., Takashima, T., Matsushima, Y. & Utaka, K., 2014, 2014 OptoElectronics and Communication Conference, OECC 2014 and Australian Conference on Optical Fibre Technology, ACOFT 2014. IEEE Computer Society, p. 1041-1042 2 p. 6888365

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

Carbon nanotubes
Waveguides
Optical properties
1 Citation (Scopus)

Prospective for deployment of 3M technologies

Matsushima, Y., 2014 Sep 18, Proceedings - 2014 Summer Topicals Meeting Series, SUM 2014. Institute of Electrical and Electronics Engineers Inc., p. 144-145 2 p. 6903029

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

multiplexing
division
telecommunication
Japan
optical fibers

Service system design

Sawatani, Y., 2014 Oct 10, PICMET 2014 - Portland International Center for Management of Engineering and Technology, Proceedings: Infrastructure and Service Integration. Institute of Electrical and Electronics Engineers Inc., p. 3281-3293 13 p. 6921063

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

Innovation
Systems analysis
innovation
Seed
value system
2013
evaluation research
Japan
university
evaluation
Education

Creating knowledge structure for service science

Sawatani, Y., Arai, T. & Murakami, T., 2013, 2013 Proceedings of PICMET 2013: Technology Management in the IT-Driven Services. p. 2440-2445 6 p. 6641594

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

Communication
1 Citation (Scopus)

Fundamental characteristics of 1550nm-band 20-layer-stacked QD-SOA grown on InP(311)B substrate for all-optical logic gate device

Matsumoto, A., Takei, Y., Matsushita, A., Akahane, K., Matsushima, Y. & Utaka, K., 2013, Technical Digest of the 18th Microoptics Conference, MOC 2013. 6715095

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

Logic gates
Service oriented architecture (SOA)
Substrates
Semiconductor quantum dots
1 Citation (Scopus)

Fundamental switching operation of polymer three-dimensional optical interconnection switch

Kobayashi, H., Hoshina, T., Yuzawa, G., Wakamatsu, K., Matsushima, Y. & Utaka, K., 2013, 2013 18th OptoElectronics and Communications Conference Held Jointly with 2013 International Conference on Photonics in Switching, OECC/PS 2013. 6597468

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

Optical interconnects
Switches
Polarization
Wavelength
Polymers
1 Citation (Scopus)

Intermixing of highly-stacked InAs/InGaAlAs quantum dots grown on InP (311)B substrate by SiO2 sputtering and annealing technique

Matsushita, A., Matsumoto, A., Akahane, K., Matsushima, Y. & Utaka, K., 2013, Conference Proceedings - International Conference on Indium Phosphide and Related Materials. 6562629

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

Semiconductor quantum dots
Sputtering
Monolithic integrated circuits
Annealing
Substrates
4 Citations (Scopus)

Non-blocking 4×4 InAlGaAs/InAlAs Mach-Zehnder-type optical switch fabric

Koyama, N., Kouketsu, H., Kawasaki, S., Takei, A., Taniguchi, T., Matsushima, Y. & Utaka, K., 2013, Conference Proceedings - International Conference on Indium Phosphide and Related Materials. 6562620

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

Optical switches
Mach number
Switches
Polarization
1 Citation (Scopus)

Polymer waveguide-type Kretschmann-structure surface plasmon sensor at 1550nm wavelength range

Hidaka, N., Kuroda, Y., Matsushima, Y. & Utaka, K., 2013, Technical Digest of the 18th Microoptics Conference, MOC 2013. 6715136

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

2-Propanol
Surface plasmon resonance
Propanol
Surface structure
Remote sensing

Polymer wavelength-selective filter using high-mesa structure directly-coupled double micro-ring resonators

Takei, Y., Matsumoto, A., Matsushita, A., Akahane, K., Matsushima, Y. & Utaka, K., 2013, Technical Digest of the 18th Microoptics Conference, MOC 2013. 6715087

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

Resonators
Polymers
Wavelength

Structural dependence of the switching characteristics of 2×2 InAlGaAs/InAlAs Mach-Zehnder-type optical switch

Kawasaki, S., Koketsu, H., Koyama, N., Takei, A., Taniguchi, T., Matsushima, Y. & Utaka, K., 2013, Technical Digest of the 18th Microoptics Conference, MOC 2013. 6715113

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

Optical switches
Crosstalk
Mach number
Polarization
Fabrication
2012
2 Citations (Scopus)
research results
methodology
Feedback
nanotechnology
Biotechnology
Eating
Fats
Exercise
Carbohydrates
Diet

Proposal of polymer three-dimensional optical switch and demonstration of fundamental transmission characteristics of passive optical interconnection circuit

Hoshina, T., Tatsuzaki, T., Yuzawa, G., Kobayashi, H., Matsushima, Y. & Utaka, K., 2012, European Conference on Optical Communication, ECOC. 6705990

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

Optical interconnects
Optical switches
Polymers
Electric power utilization
Demonstrations

Proposal of polymer three-dimensional optical switch and demonstration of fundamental transmission characteristics of passive optical interconnection circuit

Hoshina, T., Tatsuzaki, T., Yuzawa, G., Kobayashi, H., Matsushima, Y. & Utaka, K., 2012, European Conference and Exhibition on Optical Communication, ECEOC 2012.

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

Optical interconnects
Optical switches
Electric power utilization
Demonstrations
Polarization