If you made any changes in Pure these will be visible here soon.

Research Output 1978 2019

2010

High sensitive surface plasmon resonance sensor in metallic grating loaded waveguide

Shimazu, H., Takasaki, K. & Utaka, K., 2010, Technical Digest - 15th OptoElectronics and Communications Conference, OECC2010. p. 854-855 2 p. 5588499

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

Surface plasmon resonance
Waveguides
Sensors
Prisms
Remote sensing

Proposal of InAlGaAs/InAlAs/InP 1x2 cross-point optical switch with mode-spot modulation MMI waveguide and 45° TIR mirror

Fujimoto, S., Ueda, Y., Kambayashi, K. & Utaka, K., 2010, Conference Proceedings - International Conference on Indium Phosphide and Related Materials. p. 241-244 4 p. 5516064

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

Optical switches
Mirrors
Waveguides
Modulation
Switches

Short length of single walled-carbon nano tubes for application to optical devices

Kato, S., Miyazaki, Y., Takashima, T. & Utaka, K., 2010, Technical Digest - 15th OptoElectronics and Communications Conference, OECC2010. p. 552-553 2 p. 5588658

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

Optical devices
Carbon
Wavelength
Optical communication
Oils and fats
2009

Nonblocking N×N integrated photonic switching architecture using rearrangeable nested rings

Xie, N. & Utaka, K., 2009, In : Optical Engineering. 48, 9, 095401.

Research output: Contribution to journalArticle

optical switching
Photonics
Optical feedback
rings
Switching networks

Polarization-independent and low-current operation of InAlGaAs/InAlAs mach-zehnder interferometer-type photonic switch with hybrid-waveguide structure for optical packet switching

Ueda, Y., Nakamura, S., Fujimoto, S., Yamada, H., Utaka, K., Shiota, T. & Kitatani, T., 2009, European Conference on Optical Communication, ECOC. 5287091

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

Mach-Zehnder interferometers
Packet switching
Optical switches
Waveguides
Polarization
16 Citations (Scopus)

Polarization-independent low-crosstalk operation of InAlGaAs-InAlAs mach-zehnder interferometer-type photonic switch with hybrid waveguide structure

Ueda, Y., Nakamura, S., Fujimoto, S., Yamada, H., Utaka, K., Shiota, T. & Kitatani, T., 2009 Aug 15, In : IEEE Photonics Technology Letters. 21, 16, p. 1118-1120 3 p.

Research output: Contribution to journalArticle

Mach-Zehnder interferometers
Optical switches
Crosstalk
crosstalk
Waveguides

Proposal and design of sub-mW and high-speed polymer thermo-Optic switch

Xie, N., Hashimoto, T. & Utaka, K., 2009, 2009 International Conference on Photonics in Switching, PS '09. 5307805

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

Optical switches
Optics
Electric power utilization
Switches
Polymers
3 Citations (Scopus)

Ultimate-low-power-consumption, polarization-independent, and high-speed polymer Mach-Zehnder thermo-optic switch

Xie, N., Hashimoto, T. & Utaka, K., 2009, Conference on Optical Fiber Communication, Technical Digest Series. Institute of Electrical and Electronics Engineers Inc., 5032937

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

Mach number
Optics
Polymers
Electric power utilization
Switches
34 Citations (Scopus)

Very low-power, polarization-independent, and high-speed polymer thermooptic switch

Xie, N., Hashimoto, T. & Utaka, K., 2009 Dec, In : IEEE Photonics Technology Letters. 21, 24, p. 1861-1863 3 p., 5290106.

Research output: Contribution to journalArticle

Optical switches
Polymers
switches
Switches
high speed
19 Citations (Scopus)

Very low power operation of compact MMI polymer thermooptic switch

Xie, N., Hashimoto, T. & Utaka, K., 2009 Sep 15, In : IEEE Photonics Technology Letters. 21, 18, p. 1335-1337 3 p.

Research output: Contribution to journalArticle

Crosstalk
crosstalk
Polymers
Electric power utilization
switches
2008
1 Citation (Scopus)

Compact and low power operation polymer MMI photonic switch

Xie, N., Hashimoto, T. & Utaka, K., 2008, 2008 Int. Nano-Optoelectronics Workshop, iNOW 2008 in Cooperation With Int. Global-COE Summer School (Photonics Integration-Core Electronics: PICE) and 31st Int. Symposium on Optical Communications. p. 287-288 2 p. 4634548

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

Optical switches
Crosstalk
Polymers
Electric power utilization
6 Citations (Scopus)

Compact and low power operation thermo-optic MMI-based polymer photonic switch

Xie, N. & Utaka, K., 2008, 2008 Joint Conference of the Opto-Electronics and Communications Conference and the Australian Conference On Optical Fibre Technology, OECC/ACOFT 2008. 4610425

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

Optical switches
Optics
Polymers
Crosstalk
Switches

Fabrication of silicon mold for thermal nanoimprint lithography

Matsui, J., Takahashi, H., Xie, N., Mizuno, J. & Utaka, K., 2008, 2008 Int. Nano-Optoelectronics Workshop, iNOW 2008 in Cooperation With Int. Global-COE Summer School (Photonics Integration-Core Electronics: PICE) and 31st Int. Symposium on Optical Communications. p. 267-268 2 p. 4634540

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

Nanoimprint lithography
Reactive ion etching
Surface roughness
Fabrication
Silicon

High-speed semiconductor photonic spatial switch for optical packet switching

Utaka, K., Ueda, Y., Nakamura, S., Shiota, T. & Kitatani, T., 2008, 2008 Int. Nano-Optoelectronics Workshop, iNOW 2008 in Cooperation With Int. Global-COE Summer School (Photonics Integration-Core Electronics: PICE) and 31st Int. Symposium on Optical Communications. p. 78-79 2 p. 4634452

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

Mach-Zehnder interferometers
Packet switching
Photonics
Switches
Semiconductor materials
1 Citation (Scopus)

Optimal design of an InAlGaAs/InAlAs Mach-Zehnder type multi-mode interference photonic switch (MIPS-MZ) for polarization-independent and low-crosstalk switching operation

Ueda, Y., Nakamura, S. & Utaka, K., 2008, 2008 International Conference on Photonics in Switching, PS 2008. 4804251

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

Optical switches
Crosstalk
Mach number
Polarization
Mach-Zehnder interferometers

Study on polarization-independent and low-crosstalk operation of InAlGaAs/InAlAs Mach-Zehnder Interferometer type high-speed photonic switch

Ueda, Y., Nakamura, S., Fujimoto, S., Yamada, H. & Utaka, K., 2008, 2008 Int. Nano-Optoelectronics Workshop, iNOW 2008 in Cooperation With Int. Global-COE Summer School (Photonics Integration-Core Electronics: PICE) and 31st Int. Symposium on Optical Communications. p. 333-334 2 p. 4634569

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

Mach-Zehnder interferometers
Optical switches
Phase shifters
Crosstalk
Waveguides

Study on S/N-ratio characteristics by coherent crosstalk of Mach-Zehnder Interferometer-type photonic switch

Fujimoto, S., Ueda, Y., Nakamura, S., Yamada, H. & Utaka, K., 2008, 2008 Int. Nano-Optoelectronics Workshop, iNOW 2008 in Cooperation With Int. Global-COE Summer School (Photonics Integration-Core Electronics: PICE) and 31st Int. Symposium on Optical Communications. p. 279-280 2 p. 4634544

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

Mach-Zehnder interferometers
Optical switches
Crosstalk
Switches
12 Citations (Scopus)

Tunable monolithic DWDM band-selection interleaver filter switch on silicon-on-insulator substrate

Wu, Z., Honda, S., Matsui, J., Utaka, K., Edura, T., Tokuda, M., Tsutsui, K. & Wada, W., 2008 Oct 1, In : Journal of Lightwave Technology. 26, 19, p. 3363-3368 6 p.

Research output: Contribution to journalArticle

wavelength division multiplexing
Bragg gratings
switches
insulators
filters
1 Citation (Scopus)

Versatile optical switching of 4x4 novel slotted multi-mode interference phase-arrayed photonic switch

Nakamura, S., Ueda, Y., Fujimoto, S., Yamada, H. & Utaka, K., 2008, 2008 Int. Nano-Optoelectronics Workshop, iNOW 2008 in Cooperation With Int. Global-COE Summer School (Photonics Integration-Core Electronics: PICE) and 31st Int. Symposium on Optical Communications. p. 343-344 2 p. 4634572

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

Optical switches
Waveguides
Modulation
5 Citations (Scopus)

Very-low-current and high-speed switching operation of InAlGaAs/InAlAs/InP Mach-Zehnder interferometer-type photonic switch

Ueda, Y., Nakamura, S., Utaka, K., Shiota, T. & Kitatani, T., 2008 Sep, In : Applied Physics Express. 1, 9, p. 923011-923013 3 p.

Research output: Contribution to journalArticle

Mach-Zehnder interferometers
Optical switches
low currents
switches
high speed

Very-low-current operation of InAlGaAs/InAlAs/InP mach-zehnder interferometer-type multi-mode interference photonic switch (MIPS-MZ)

Ueda, Y., Nakamura, S., Utaka, K., Shiota, T. & Kitatani, T., 2008, Conference Proceedings - International Conference on Indium Phosphide and Related Materials. 4702989

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

Semiconductor switches
Mach-Zehnder interferometers
Optical switches
Seed
2007
1 Citation (Scopus)

Analysis of InAlGaAs/InAlAs/InP multi-mode interference photonic switch with Mach-Zehnder interferometer for higher switching performances

Ueda, Y., Ishikawa, T. & Utaka, K., 2007, Conference Proceedings - International Conference on Indium Phosphide and Related Materials. p. 264-266 3 p. 4265931

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

Mach-Zehnder interferometers
Optical switches
Crosstalk
Electric power utilization
switches

Analysis of optical signal regenerating performance by nonlinear directional coupler loaded with SOA and long-period grating

Ochiai, T., Kawakami, Y. & Utaka, K., 2007, 2007 Photonics in Switching, PS. p. 75-76 2 p. 4300757

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

Directional couplers
Semiconductor optical amplifiers
Regenerators
Wavelength
Computer simulation

Design for ultra-compact high-speed semiconductor photonic switch by high-Δ structures and bend waveguides for large-scale switching fabric

Ueda, Y., Ishikawa, T., Nakamura, S. & Utaka, K., 2007, 2007 Photonics in Switching, PS. p. 39-40 2 p. 4300733

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

Semiconductor switches
Optical switches
Waveguides
Mach-Zehnder interferometers
Structural design

Design on polarization independent side-long-period-grating loaded semiconductor waveguide-type gain equalizing devices

Terada, K., Fujii, E., Wu, Z. & Utaka, K., 2007, Conference Proceedings - International Conference on Indium Phosphide and Related Materials. p. 260-263 4 p. 4265930

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

gratings
waveguides
polarization
33 Citations (Scopus)

Largely-tunable wideband Bragg gratings fabricated on SOI rib waveguides employed by deep-RIE

Honda, S., Wu, Z., Matsui, J., Utaka, K., Edura, T., Tokuda, M., Tsutsui, K. & Wada, Y., 2007, In : Electronics Letters. 43, 11, p. 630-631 2 p.

Research output: Contribution to journalArticle

Bragg gratings
Reactive ion etching
Waveguides
Silicon
Optics

Proposal of a novel MMI-based NxN non-blocking optical ring switch

Xie, N. & Utaka, K., 2007, Optics InfoBase Conference Papers. Optical Society of America

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

proposals
switches
Switches
Optical switches
rings

Proposal of a novel MMI-based NxN non-blocking optical ring switch

Xie, N. & Utaka, K., 2007, Optics InfoBase Conference Papers. Optical Society of America

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

proposals
switches
Switches
Optical switches
rings
3 Citations (Scopus)

Proposal of a novel MMI-based NxN non-blocking optical ring switch

Xie, N. & Utaka, K., 2007, OFC/NFOEC 2007 - Optical Fiber Communication and the National Fiber Optic Engineers Conference 2007. 4348315

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

Switches
Optical switches
Crosstalk
Electric power utilization
Topology
2006
2 Citations (Scopus)

Fabrication and evaluation of Bragg gratings on optimally designed silicon-on-insulator rib waveguides using electron-beam lithography

Wu, Z., Zhang, W., Wang, Z., Kai, G., Yuan, S., Dong, X., Utaka, K. & Wada, Y., 2006 Aug, In : Pan Tao Ti Hsueh Pao/Chinese Journal of Semiconductors. 27, 8, p. 1347-1350 4 p.

Research output: Contribution to journalArticle

Bragg gratings
Electron beam lithography
Silicon
Waveguides
lithography

High-performance of InAlGaAs/InAlAs/InP multi-mode interference photonic switch with partial index-modulation region (MIPS-P)

Ishikawa, T., Kumai, S., Utaka, K., Amanai, H., Kurihara, K. & Shimoyama, K., 2006, Conference Proceedings - International Conference on Indium Phosphide and Related Materials. Vol. 2006. p. 16-18 3 p. 1634100

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

Optical switches
Modulation
2 Citations (Scopus)

High-speed optical switching of InAlGaAs/InAlAs multi-mode interference photonic switch with partial index-modulation region (MIPS-P)

Kumai, S., Ishikawa, T., Okazaki, A., Utaka, K., Amanai, H., Kurihara, K. & Shimoyama, K., 2006 Dec 14, Proceedings - Thirteenth International Symposium on Temporal Representation and Reasoning, TIME 2006. Vol. 2006. 1636588

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

Optical switches
Modulation
Semiconductor materials
36 Citations (Scopus)

Operational design on high-speed semiconductor optical amplifier with assist light for application to wavelength converters using cross-phase modulation

Matsumoto, A., Nishimura, K., Utaka, K. & Usami, M., 2006 Mar, In : IEEE Journal of Quantum Electronics. 42, 3, p. 313-323 11 p., 01597418.

Research output: Contribution to journalArticle

Semiconductor optical amplifiers
Phase modulation
light amplifiers
phase modulation
converters
4 Citations (Scopus)

Tapered multimode interference combiners for coherent receivers

Wu, Z., Zhang, W., Wang, Z., Kai, G., Yuan, S., Dong, X., Utaka, K. & Yasuo, W., 2006 Feb, In : Pan Tao Ti Hsueh Pao/Chinese Journal of Semiconductors. 27, 2, p. 328-335 8 p.

Research output: Contribution to journalArticle

Silicon
Photonics
Integrated circuits
Waveguides
receivers

Tunable wavelength-band switch using large coupling-coefficient Bragg grating on SOI rib waveguide

Wu, Z., Honda, S., Matsui, J., Utaka, K., Edura, T., Tokuda, M., Tsutsui, K. & Wada, Y., 2006, 2006 International Conference on Photonics in Switching, Proceedings, PS. p. 105-107 3 p. 4350151

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

Bragg gratings
Waveguides
Switches
Silicon
Wavelength
2005
3 Citations (Scopus)

Dependence of efficiency ratio of XPM to XGM on control pulse propagation direction in SOA

Nishimura, K., Usami, M., Asai, T. & Utaka, K., 2005, Optics InfoBase Conference Papers. Optical Society of America

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

Service oriented architecture (SOA)
propagation
pulses
light beams
causes
18 Citations (Scopus)

High-speed optical switching of InAlGaAs/InAlAs multi-mode interference photonic switch with partial index-modulation region (MIPS-P)

Kumai, S., Ishikawa, T., Okazaki, A., Hiroshi, Y., Utaka, K., Amanai, H., Kurihara, K. & Shimoyama, K., 2005, In : IEICE Electronics Express. 2, 23, p. 578-582 5 p.

Research output: Contribution to journalArticle

Optical switches
optical switching
switches
high speed
Modulation
4 Citations (Scopus)

Implementation of tapered multimode interference lightwave combiner on silicon-on-insulator substrate with negligible back-reflection

Wu, Z., Nakamura, K., Honda, S., Utaka, K., Edura, T., Tsutsui, K. & Wada, Y., 2005, In : Japanese Journal of Applied Physics, Part 2: Letters. 44, 28-32

Research output: Contribution to journalArticle

Semiconductor optical amplifiers
insulators
interference
Silicon
silicon

Long-period grating loaded semiconductor separate confinement heterostructure (SCH) waveguide for polarization-independent gain equalizing devices

Abe, T., Tabuchi, H., Terada, K. & Utaka, K., 2005, Conference Proceedings - International Conference on Indium Phosphide and Related Materials. Vol. 2005. p. 566-569 4 p. 1517560

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

Plasma confinement
notches
Heterojunctions
Waveguides
gratings
6 Citations (Scopus)
Plasma confinement
Heterojunctions
Waveguides
gratings
Polarization
5 Citations (Scopus)

Study on tapered multimode interference-based coherent lightwave combiners

Zhigang, W. U. & Utaka, K., 2005, In : IEICE Transactions on Electronics. E88-C, 5, p. 1005-1011 7 p.

Research output: Contribution to journalArticle

Photonics
Integrated circuits
Fabrication
2004
2 Citations (Scopus)

Fabrication of InGaAsP/InP coupled waveguides loaded with long-period grating for gain equalizing device

Oishi, J., Abe, T., Tabuchi, H. & Utaka, K., 2004, Conference Proceedings - International Conference on Indium Phosphide and Related Materials. p. 232-235 4 p. TP-29

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

notches
transmittance
Waveguides
gratings
waveguides

Fabrication of large-area and very uniform two-dimensional sub-micron periodic patterns on 1500nm range multi-quantum well structures using two-time laser holography

Nakaoka, H., Murakami, S., Nakano, T., Honma, K., Utaka, K. & Nakao, M., 2004, Conference Proceedings - International Conference on Indium Phosphide and Related Materials. p. 167-170 4 p.

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

Photoexcitation
Holography
holography
Semiconductor quantum wells
quantum wells
1 Citation (Scopus)
Michelson interferometers
couplers
converters
Monolithic microwave integrated circuits
interference

Spectral chirping suppressed wavelength conversion at 10Gbit/s using cross gain modulation in semiconductor optical amplifier with injection of counter-propagating assist light

Yazaki, T., Inohara, R., Nishimura, K., Usami, M., Matsumoto, A. & Utaka, K., 2004, Conference Digest - IEEE International Semiconductor Laser Conference. p. 101-102 2 p.

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

Optical frequency conversion
Semiconductor optical amplifiers
Service oriented architecture (SOA)
chirp
light amplifiers
2003
2 Citations (Scopus)

Horn-shaped multimode interference-based N×1 combiners

Wu, Z. & Utaka, K., 2003, Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest. Institute of Electrical and Electronics Engineers Inc., Vol. 2. p. 564 1 p. 1277111

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

Insertion losses
insertion loss
adjusting
curvature
interference
2002

Fabrication of 3D a-Si/SiO 2 photonic crystals on 2D sub-micron-patterned InP substrates

Segawa, T., Utaka, K., Naganuma, M., Sato, H., Kawakami, S., Izutsu, M. & Nakao, M., 2002, Conference Proceedings - International Conference on Indium Phosphide and Related Materials. p. 561-564 4 p.

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

Periodic structures
Photonic crystals
photonics
Fabrication
fabrication

Fabrication of Michelson interferometer-type wavelength converter integrated with multi-mode interference coupler (MIWC-MMIC)

Yoshioka, K., Uchida, K., Matsumoto, A. & Utaka, K., 2002, Conference Digest - IEEE International Semiconductor Laser Conference. p. 119-120 2 p.

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

Michelson interferometers
couplers
converters
interference
Fabrication
15 Citations (Scopus)

Large area InP submicron two-dimensional (2D) periodic structures fabricated by two-time laser holography

Ohira, T., Segawa, T., Nagai, K., Utaka, K. & Nakao, M., 2002 Feb, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 41, 2 B, p. 1085-1089 5 p.

Research output: Contribution to journalArticle

Periodic structures
Holography
holography
reflectance
Dry etching
77 Citations (Scopus)

Multimode interference photonic switches (MIPS)

Nagai, S., Morishima, G., Inayoshi, H. & Utaka, K., 2002 Apr, In : Journal of Lightwave Technology. 20, 4, p. 675-681 7 p.

Research output: Contribution to journalArticle

Optical switches
switches
photonics
interference
Crosstalk