津田 裕之

研究成果

年別の研究成果 1989 2021

• 1870 被引用数
• 23 h-index
• 128 Conference contribution
• 121 Article
• 18 Conference article
• 6 Paper
• 4 その他
  • 3 Editorial
  • 1 Comment/debate

年別の研究成果

年別の研究成果

検索結果

• 2021

  Own-Race Advantage in Visual Working Memory for Faces Reflects Enhanced Storage Capacity and Quick Encoding

  Nishimura, Y., Tsuda, H. & Ogawa, H., 2021, (Accepted/In press) In: Japanese Psychological Research.

  研究成果: Article › 査読

  Open Access

  • Short-Term Memory
  • Facial Recognition

• Silicon Based 1 × M Wavelength Selective Switch Using Arrayed Waveguide Gratings with Fold-Back Waveguides

  Nakamura, F., Asakura, H., Suzuki, K., Tanizawa, K., Ohtsuka, M., Yokoyama, N., Matsumaro, K., Seki, M., Ikeda, K., Namiki, S., Kawashima, H. & Tsuda, H., 2021 4 15, In: Journal of Lightwave Technology. 39, 8, p. 2413-2420 8 p., 9311797.

  研究成果: Article › 査読

  • switches
  • gratings
  • waveguides
  • silicon
  • wavelengths
• 2020

  Guanine crystals regulated by chitin-based honeycomb frameworks for tunable structural colors of sapphirinid copepod, Sapphirina nigromaculata

  Kimura, T., Takasaki, M., Hatai, R., Nagai, Y., Uematsu, K., Oaki, Y., Osada, M., Tsuda, H., Ishigure, T., Toyofuku, T., Shimode, S. & Imai, H., 2020 12 1, In: Scientific reports. 10, 1, 2266.

  研究成果: Article › 査読

  Open Access

  • Copepoda
  • Chitin
  • Guanine
  • Optics and Photonics
  • Color
  2 被引用数 (Scopus)

• Material constancy in perception and working memory

  Tsuda, H., Fujimichi, M., Yokoyama, M. & Saiki, J., 2020 10, In: Journal of Vision. 20, 10, p. 1-16 16 p.

  研究成果: Article › 査読

  Open Access

  • Short-Term Memory
  • Discrimination (Psychology)
  • Lighting
  • Electronic Data Processing
  • Glass

• SDN enabled flexible optical data center network with dynamic bandwidth allocation based on photonic integrated wavelength selective switch

  Xue, X., Nakamura, F., Prifti, K., Pan, B., Yan, F., Wang, F., Guo, X., Tsuda, H. & Calabretta, N., 2020 3 16, In: Optics Express. 28, 6, p. 8949-8958 10 p.

  研究成果: Article › 査読

  • switches
  • computer programs
  • bandwidth
  • photonics
  • wavelengths
  1 被引用数 (Scopus)

• Silicon photonics platforms for optical communication systems, outlook on future developments

  Tsuda, H., 2020 11 25, In: IEICE Electronics Express. 17, 22, p. 1-7 7 p.

  研究成果: Article › 査読

  Open Access

  • Silicon photonics
  • Optical communication
  • telecommunication
  • optical communication
  • platforms
• 2019

  Gradual formation of visual working memory representations of motion directions

  Tsuda, H. & Saiki, J., 2019 1 15, In: Attention, Perception, and Psychophysics. 81, 1, p. 296-309 14 p.

  研究成果: Article › 査読

  Open Access

  • Visual Working Memory
  • Short-Term Memory
  • Direction compound
  • Stimulus
  • stimulus
  1 被引用数 (Scopus)
• 2018

  Constancy of visual working memory of glossiness under realworld illuminations

  Tsuda, H. & Saiki, J., 2018 8 1, In: Journal of Vision. 18, 8, p. 1-16 16 p., 14.

  研究成果: Article › 査読

  Open Access

  • Lighting
  • Short-Term Memory
  • Surface Properties
  • Memory
  4 被引用数 (Scopus)

• Demonstration of 10-Gbit/s transmission over G.652 fiber for T-band optical access systems using quantum-dot semiconductor devices

  Kubo, R., Matsunaga, M., Shobudani, T., Fujimoto, T., Tsuda, H., Sudo, M., Hajikano, T., Tomomatsu, Y. & Yoshizawa, K., 2018, In: IEICE Electronics Express. 15, 18, 20180810.

  研究成果: Article › 査読

  • Semiconductor quantum dots
  • Semiconductor devices
  • semiconductor devices
  • Demonstrations
  • quantum dots
  1 被引用数 (Scopus)

• Integrated silicon photonic wavelength-selective switch using wavefront control waveguides

  Nakamura, F., Muramatsu, K., Suzuki, K., Tanizawa, K., Ohtsuka, M., Yokoyama, N., Matsumaro, K., Seki, M., Koshino, K., Ikeda, K., Namiki, S., Kawashima, H. & Tsuda, H., 2018 5 14, In: Optics Express. 26, 10, p. 13573-13589 17 p.

  研究成果: Article › 査読

  • switches
  • photonics
  • waveguides
  • silicon
  • wavelengths
  8 被引用数 (Scopus)

• Silicon photonics based 1 × 2 wavelength selective switch using fold-back arrayed-waveguide gratings

  Nakamura, F., Asakura, H., Suzuki, K., Tanizawa, K., Ohtsuka, M., Yokoyama, N., Matsumaro, K., Seki, M., Koshino, K., Ikeda, K., Namiki, S., Kawashima, H. & Tsuda, H., 2018, In: IEICE Electronics Express. 15, 14, 20180532.

  研究成果: Article › 査読

  • Arrayed waveguide gratings
  • Silicon photonics
  • Wavelength
  • switches
  • gratings
  5 被引用数 (Scopus)
• 2017

  Current-driven phase-change optical gate switch using indium-tin-oxide heater

  Kato, K., Kuwahara, M., Kawashima, H., Tsuruoka, T. & Tsuda, H., 2017 7, In: Applied Physics Express. 10, 7, 072201.

  研究成果: Article › 査読

  • Tin oxides
  • Indium
  • heaters
  • indium oxides
  • tin oxides
  45 被引用数 (Scopus)

• Differential processing for frequency chirp measurement using optical pulse synthesizer

  Kashiwagi, K., Seki, S., Tsuda, H., Takenouchi, H. & Kurokawa, T., 2017 3 15, In: Optics Communications. 387, p. 135-140 6 p.

  研究成果: Article › 査読

  • synthesizers
  • Laser pulses
  • chirp
  • optical measurement
  • pulses
  1 被引用数 (Scopus)

• Polarization diversity circuit based on silica waveguides and photonic crystal waveplates for a 4×4 silicon optical switch

  Sugiyama, K., Chiba, T., Tanizawa, K., Suzuki, K., Kawashima, T., Kawakami, S., Ikeda, K., Kawashima, H., Takahashi, H. & Tsuda, H., 2017 3 24, In: IEICE Electronics Express. 14, 10, 20170252.

  研究成果: Article › 査読

  • Photonic crystals
  • Optical switches
  • Silicon
  • Silicon Dioxide
  • Silica

• Theoretical Analysis of Noise in Erbium Doped Fiber Amplifier

  Putra, A. W. S., Yamada, M., Tsuda, H. & Ambran, S., 2017 8 1, In: IEEE Journal of Quantum Electronics. 53, 4, 7953635.

  研究成果: Article › 査読

  • Erbium doped fiber amplifiers
  • erbium
  • amplifiers
  • Spontaneous emission
  • fibers
  5 被引用数 (Scopus)
• 2016

  6.4-THz-spacing, 10-channel cyclic arrayed waveguide grating for T- and O-band coarse WDM

  Idris, N. A. & Tsuda, H., 2016 4 10, In: IEICE Electronics Express. 13, 7, 20160134.

  研究成果: Article › 査読

  • Arrayed waveguide gratings
  • Wavelength division multiplexing
  • spacing
  • gratings
  • waveguides
  13 被引用数 (Scopus)

• Amplitude trimming of Si waveguides using phase change material

  Eguchi, R., Asakura, H., Shimazaki, Y., Moriyama, T., Singh, G. & Tsuda, H., 2016 3 8, In: IEICE Electronics Express. 13, 6

  研究成果: Article › 査読

  • phase change materials
  • Trimming
  • Phase change materials
  • Waveguides
  • waveguides

• A WDM/TDM access network based on broad t-band wavelength resource using quantum dot semiconductor devices

  Idris, N. A., Yamamoto, N., Akahane, K., Yoshizawa, K., Tomomatsu, Y., Sudo, M., Hajikano, T., Kubo, R., Uesugi, T., Kikuchi, T. & Tsuda, H., 2016 2, In: IEEE Photonics Journal. 8, 1, 7389328.

  研究成果: Article › 査読

  • Semiconductor quantum dots
  • time division multiplexing
  • Time division multiplexing
  • Semiconductor devices
  • wavelength division multiplexing
  11 被引用数 (Scopus)

• Full-mesh T- and O-band wavelength router based on arrayed waveguide gratings

  Idris, N. A., Yoshizawa, K., Tomomatsu, Y., Sudo, M., Hajikano, T., Kubo, R., Zervas, G. & Tsuda, H., 2016 1 11, In: Optics Express. 24, 1, p. 672-686 15 p.

  研究成果: Article › 査読

  • mesh
  • gratings
  • waveguides
  • wavelengths
  • data transmission
  22 被引用数 (Scopus)
• 2015

  Design and characterization of an arrayed-waveguide grating router with an interleave-chirped array

  Asakura, H. & Tsuda, H., 2015 4 9, In: IEICE Electronics Express. 12, 9, 20150261.

  研究成果: Article › 査読

  • Arrayed waveguide gratings
  • Routers
  • gratings
  • waveguides
  • characterization
  3 被引用数 (Scopus)

• Evaluation of the phase error in Si-wire arrayed-waveguide gratings fabricated by ArF-immersion photolithography

  Muramatsu, K., Asakura, H., Suzuki, K., Tanizawa, K., Toyama, M., Ohtsuka, M., Yokoyama, N., Matsumaro, K., Seki, M., Koshino, K., Ikeda, K., Namiki, S., Kawashima, H. & Tsuda, H., 2015 4 10, In: IEICE Electronics Express. 12, 7, 20150019.

  研究成果: Article › 査読

  • Arrayed waveguide gratings
  • Photolithography
  • phase error
  • photolithography
  • Measurement errors
  3 被引用数 (Scopus)
• 2014

  Switching characteristics of a 100-GHz-spacing integrated 40-λ 1 × 4 wavelength selective switch

  Yoshida, T., Asakura, H., Tsuda, H., Mizuno, T. & Takahashi, H., 2014 3 1, In: IEEE Photonics Technology Letters. 26, 5, p. 451-453 3 p., 6691931.

  研究成果: Article › 査読

  • Wavelength
  • switches
  • spacing
  • Switches
  • Silicon Dioxide
  8 被引用数 (Scopus)

• Ultra-compact, self-holding asymmetric Mach-Zehnder interferometer switch using Ge₂Sb₂Te₅ phase-change material

  Moriyama, T., Tanaka, D., Jain, P., Kawashima, H., Kuwahara, M., Wang, X. & Tsuda, H., 2014 7 11, In: IEICE Electronics Express. 11, 15, 20140538.

  研究成果: Article › 査読

  • Mach-Zehnder interferometers
  • phase change materials
  • Phase change materials
  • Optical switches
  • switches
  25 被引用数 (Scopus)
• 2013

  Compact and phase-error-robust multilayered AWG-based wavelength selective switch driven by a single LCOS

  Sorimoto, K., Tanizawa, K., Uetsuka, H., Kawashima, H., Mori, M., Hasama, T., Ishikawa, H. & Tsuda, H., 2013 7 15, In: Optics Express. 21, 14, p. 17131-17149 19 p.

  研究成果: Article › 査読

  • Liquid Crystals
  • Silicon
  • phase error
  • switches
  • liquid crystals
  14 被引用数 (Scopus)

• Integrated 40-λ 1×2 wavelength selective switch without waveguide crossings

  Ikuma, Y., Mizuno, T., Takahashi, H. & Tsuda, H., 2013 3 11, In: IEEE Photonics Technology Letters. 25, 6, p. 531-534 4 p., 6412718.

  研究成果: Article › 査読

  • Waveguides
  • Wavelength
  • switches
  • Switches
  • waveguides
  11 被引用数 (Scopus)

• MEMS mirror with slot structures suitable for flexible-grid WSS

  Sorimoto, K., Kawashima, H., Mori, M., Hasama, T., Ishikawa, H., Tsuda, H. & Uetsuka, H., 2013, In: IEICE Electronics Express. 10, 3, 20120924.

  研究成果: Article › 査読

  • slots
  • Mirrors
  • microelectromechanical systems
  • MEMS
  • Wavelength
  2 被引用数 (Scopus)
• 2012

  200-GHz spacing, 8ch, high-speed wavelength selective arrayed-waveguide grating using buried PLZT waveguides

  Asakura, H., Nashimoto, K., Kudzuma, D., Hashimoto, M. & Tsuda, H., 2012, In: IEICE Electronics Express. 9, 7, p. 712-717 6 p.

  研究成果: Article › 査読

  • Arrayed waveguide gratings
  • Waveguides
  • Light polarization
  • Wavelength
  • spacing
  4 被引用数 (Scopus)

• A novel silica waveguide lens for free-space optical cross connects

  Idrisa, N. A., Sorimoto, K. & Tsuda, H., 2012, In: IEICE Electronics Express. 9, 11, p. 998-1004 7 p.

  研究成果: Article › 査読

  • Silicon Dioxide
  • Silica
  • Waveguides
  • Lenses
  • silicon dioxide
  1 被引用数 (Scopus)

• High-speed wavelength selective operation of PLZT-based arrayed-waveguide grating

  Asakura, H., Nashimoto, K., Kudzuma, D., Hashimoto, M. & Tsuda, H., 2012 8 2, In: Electronics Letters. 48, 16, p. 1009-1010 2 p.

  研究成果: Article › 査読

  • Arrayed waveguide gratings
  • Wavelength
  • Insertion losses
  • Waveguides
  • Electrodes
  10 被引用数 (Scopus)

• Ultra-small, self-holding, optical gate switch using Ge₂Sb ₂Te₅ with a multi-mode Si waveguide

  Tanaka, D., Shoji, Y., Kuwahara, M., Wang, X., Kintaka, K., Kawashima, H., Toyosaki, T., Ikuma, Y. & Tsuda, H., 2012 4 23, In: Optics Express. 20, 9, p. 10283-10294 12 p.

  研究成果: Article › 査読

  • switches
  • waveguides
  • irradiation
  • dynamic response
  • extinction
  63 被引用数 (Scopus)
• 2011

  Circulator-free reflection-type tunable optical dispersion compensator using tandem arrayed-waveguide gratings

  Ikuma, Y., Mizuno, T., Takahashi, H. & Tsuda, H., 2011, In: Journal of Lightwave Technology. 29, 16, p. 2447-2453 7 p., 5887369.

  研究成果: Article › 査読

  • compensators
  • gratings
  • waveguides
  • modulation
  3 被引用数 (Scopus)

• Demonstration of 1000-times switching of phase-change optical gate with Si wire waveguides

  Tanaka, D., Ikuma, Y., Shoji, Y., Kuwahara, M., Wang, X., Kintaka, K., Kawashima, H., Toyosaki, T. & Tsuda, H., 2011 2 17, In: Electronics Letters. 47, 4, p. 268-269 2 p.

  研究成果: Article › 査読

  • Waveguides
  • Demonstrations
  • Laser beam effects
  • Wire
  • Pulsed lasers
  13 被引用数 (Scopus)

• Optical spectrum control circuit using an arrayed-waveguide grating and tunable phase shifters

  Kato, K., Ikuma, Y., Takahashi, H., Mizuno, T. & Tsuda, H., 2011 3 25, In: IEICE Electronics Express. 8, 6, p. 391-396 6 p.

  研究成果: Article › 査読

  • Arrayed waveguide gratings
  • Phase shifters
  • Waveguides
  • optical spectrum
  • gratings
  2 被引用数 (Scopus)

• Phase error compensation for multilayered AWG in LCOS-based WSS

  Sorimoto, K., Kintaka, K., Kawashima, H., Mori, M., Hasama, T., Ishikawa, H., Tsuda, H. & Uetsuka, H., 2011 12 25, In: IEICE Electronics Express. 8, 24, p. 2054-2060 7 p.

  研究成果: Article › 査読

  • Arrayed waveguide gratings
  • Liquid Crystals
  • Liquid crystals
  • Error compensation
  • Silicon
  2 被引用数 (Scopus)

• Tunable optical dispersion compensator with a high-resolution arrayed-waveguide grating

  Ikuma, Y., Mizuno, T., Takahashi, H. & Tsuda, H., 2011 12 25, In: IEICE Electronics Express. 8, 24, p. 2087-2092 6 p.

  研究成果: Article › 査読

  • Arrayed waveguide gratings
  • compensators
  • gratings
  • waveguides
  • high resolution
  1 被引用数 (Scopus)
• 2010

  Fast aberration-correcting algorithm for an SLM-based optical switch

  Sorimoto, K., Kintaka, K., Kawashima, H., Mori, M., Hasama, T., Ishikawa, H., Tsuda, H. & Uetsuka, H., 2010 12, In: IEICE Electronics Express. 7, 23, p. 1728-1734 7 p.

  研究成果: Article › 査読

  • Light modulators
  • Optical switches
  • Aberrations
  • light modulators
  • aberration
  2 被引用数 (Scopus)

• LiNbO₃ optical switch using asymmetric X-junction waveguide for broadband optical network node

  Sakamaki, T., Narita, Y., Tsuda, H., Nakajima, S. & Kawanishi, T., 2010 3 10, In: IEICE Electronics Express. 7, 5, p. 360-364 5 p.

  研究成果: Article › 査読

  • lithium niobate
  • Waveguide junctions
  • Optical switches
  • Broadband networks
  • Fiber optic networks
  2 被引用数 (Scopus)

• Reversible optical gate switching in Si wire waveguide integrated with Ge₂Sb₂Te₅ thin film

  Ikuma, Y., Shoji, Y., Kuwahara, M., Wang, X., Kintaka, K., Kawashima, H., Tanaka, D. & Tsuda, H., 2010 10 14, In: Electronics Letters. 46, 21, p. 1460-1462 3 p.

  研究成果: Article › 査読

  • Waveguides
  • Thin films
  • Wire
  • Crystalline materials
  • Laser pulses
  25 被引用数 (Scopus)

• Small-sized optical gate switch using Ge₂Sb₂Te ₅ phase-change material integrated with silicon waveguide

  Ikuma, Y., Shoji, Y., Kuwahara, M., Wang, X., Kintaka, K., Kawashima, H., Tanaka, D. & Tsuda, H., 2010 3 19, In: Electronics Letters. 46, 5, p. 368-369 2 p.

  研究成果: Article › 査読

  • Phase change materials
  • Waveguides
  • Silicon
  • Switches
  • Laser pulses
  52 被引用数 (Scopus)
• 2009

  An athermal delay interference circuit using trenches filled with low-refractive index material

  Iwamoto, K., Ito, J. & Tsuda, H., 2009 12 25, In: IEICE Electronics Express. 6, 24, p. 1769-1773 5 p.

  研究成果: Article › 査読

  • Refractive index
  • Waveguides
  • Silicon Dioxide
  • Silica
  • refractivity
  1 被引用数 (Scopus)

• AWG-Based Tunable Optical Dispersion Compensator With Multiple Lens Structure

  Ikuma, Y. & Tsuda, H., 2009 11 15, In: Journal of Lightwave Technology. 27, 22, p. 5202-5207 6 p.

  研究成果: Article › 査読

  • compensators
  • lenses
  • gratings
  • waveguides
  • resins
  10 被引用数 (Scopus)

• Generation of 100-Gb/s packets having 8-bit return-to-zero patterns using an optical pulse synthesizer with a lookup table

  Tanaka, Y., Kobe, R., Shioda, T., Tsuda, H. & Kurokawa, T., 2009, In: IEEE Photonics Technology Letters. 21, 1, p. 39-41 3 p.

  研究成果: Article › 査読

  • synthesizers
  • Laser pulses
  • Table lookup
  • Electric current control
  • Specifications
  15 被引用数 (Scopus)

• High-speed photonic functional circuits using electrically controllable PLZT waveguides

  Ito, J., Yasumoto, M., Nashimoto, K. & Tsuda, H., 2009 1 1, In: IEICE Transactions on Electronics. E92-C, 5, p. 713-718 6 p.

  研究成果: Article › 査読

  • Photonics
  • Waveguides
  • Arrayed waveguide gratings
  • Switches
  • Wavelength
  11 被引用数 (Scopus)

• Low loss, small crosstalk offset crossing structure for large-scale planar lightwave circuits

  Tanaka, D., Ikuma, Y. & Tsuda, H., 2009 4 10, In: IEICE Electronics Express. 6, 7, p. 407-411 5 p.

  研究成果: Article › 査読

  • Crosstalk
  • crosstalk
  • Networks (circuits)
  • transmission loss
  • Waveguides
  16 被引用数 (Scopus)

• Novel Silica-Based Waveguide-Type Polarization Beam Splitters Using Trenches Filled With Low-Refractive-Index Material

  Ito, J., Tsuda, H., Ito, J. & Tsuda, H., 2009 12 15, In: Journal of Lightwave Technology. 27, 24, p. 5668-5674 7 p.

  研究成果: Article › 査読

  • beam splitters
  • silicon dioxide
  • refractivity
  • waveguides
  • polarization
  9 被引用数 (Scopus)

• Small bend structures using trenches filled with low-refractive index material for miniaturizing silica planar lightwave circuits

  Ito, J. & Tsuda, H., 2009 3 15, In: Journal of Lightwave Technology. 27, 6, p. 786-790 5 p.

  研究成果: Article › 査読

  • silicon dioxide
  • refractivity
  • waveguides
  • spacing
  • cascades
  7 被引用数 (Scopus)
• 2008

  Analog and digital optical pulse synthesizers using arrayed-waveguide gratings for high-speed optical signal processing

  Tsuda, H., Tanaka, Y., Shioda, T. & Kurokawa, T., 2008 3 15, In: Journal of Lightwave Technology. 26, 6, p. 670-677 8 p.

  研究成果: Article › 査読

  • Optical signal processing
  • Arrayed waveguide gratings
  • synthesizers
  • Laser pulses
  • Modulators
  64 被引用数 (Scopus)

• Integrated loop mirrors for catoptric functional waveguide devices

  Ikuma, Y., Ito, J. & Tsuda, H., 2008 3 10, In: IEICE Electronics Express. 5, 5, p. 176-180 5 p.

  研究成果: Article › 査読

  • Waveguides
  • mirrors
  • waveguides
  • Arrayed waveguide gratings
  • Silicon Dioxide

• Proposal of a small self-holding 2×2 optical switch using phase-change material

  Ikuma, Y., Saiki, T. & Tsuda, H., 2008 6 25, In: IEICE Electronics Express. 5, 12, p. 442-445 4 p.

  研究成果: Article › 査読

  • Optical switches
  • phase change materials
  • Phase change materials
  • proposals
  • switches
  33 被引用数 (Scopus)
• 2007

  180-degree-bend structures using light reflection at double elliptic mirror in slab waveguide

  Ishida, M., Ikuma, Y., Suzuki, T. & Tsuda, H., 2007 1 10, In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 46, 1, p. 168-174 7 p.

  研究成果: Article › 査読

  • Light reflection
  • Waveguides
  • Mirrors
  • slabs
  • mirrors
  1 被引用数 (Scopus)