Dr. Hiroshi Ito Profile

Dr. Hiroshi Ito

Professor

SPIE Involvement:

Author

Publications (20)

Proceedings Article | 12 March 2024 Presentation

Fabrication of functional hollow waveguide devices for electromagnetic waves in 200–400GHz band using UV-curable resin type 3D printer, RECILS

Kentaro Soeda, Kazunori Naganuma, Yoshinori Yamaguchi, Kuniaki Konishi, Hiroharu Tamaru, Norikatsu Mio, Hiroshi Ito, Junji Yumoto

Proceedings Volume PC12885, PC128850I (2024) https://doi.org/10.1117/12.2692803

KEYWORDS: Electromagnetic radiation, Waveguides, Hollow waveguides, 3D printing, Fabrication, Metals, Plating, Terahertz radiation, Copper, Bandpass filters

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Proceedings Article | 30 September 2022 Presentation + Paper

Low-noise terahertz-wave detection by Fermi-level managed barrier diode

Hiroshi Ito, Tadao Ishibashi

Proceedings Volume 12230, 1223004 (2022) https://doi.org/10.1117/12.2635218

KEYWORDS: Diodes, Signal detection, Detector arrays, Silicon carbide, Terahertz radiation

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Proceedings Article | 9 September 2019 Paper

Highly sensitive terahertz-wave detection by Fermi-level managed barrier diode

Hiroshi Ito, Tadao Ishibashi

Proceedings Volume 11088, 1108807 (2019) https://doi.org/10.1117/12.2528250

KEYWORDS: Diodes, Heterodyning, Signal detection, Terahertz radiation

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Proceedings Article | 14 September 2018 Paper

Broadband and low-noise terahertz-wave detection by InP/InGaAs Fermi-level managed barrier diode

Hiroshi Ito, Tadao Ishibashi

Proceedings Volume 10756, 107560M (2018) https://doi.org/10.1117/12.2320026

KEYWORDS: Diodes, Signal detection, Terahertz radiation, Homodyne detection, Sensors, Image resolution, Imaging systems, Detector arrays

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Proceedings Article | 28 April 2017 Paper

Terahertz-wave generation using resonant-antenna-integrated uni-traveling-carrier photodiodes

Hiroshi Ito, Tadao Ishibashi

Proceedings Volume 10209, 102090R (2017) https://doi.org/10.1117/12.2262764

KEYWORDS: Antennas, Terahertz radiation, Photodiodes, Photomicroscopy, Electrodes, Optical fibers, Image enhancement, Absorption, Silicon, Signal generators

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Proceedings Article | 29 April 2016 Paper

Broadband and high-sensitivity terahertz-wave detection using Fermi-level managed barrier diode

Hiroshi Ito, Tadao Ishibashi

Proceedings Volume 9856, 98560S (2016) https://doi.org/10.1117/12.2223320

KEYWORDS: Diodes, Signal detection, Terahertz radiation, Resistance, Antennas, Sensors, Doping, Indium gallium arsenide, Amplifiers, Terahertz sources, Interfaces, Solids

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Proceedings Article | 31 August 2015 Paper

Broadband and enhanced-output-power terahertz-wave emitter based on slot-antenna-integrated uni-traveling-carrier photodiode

Hiroshi Ito, Toshihide Yoshimatsu, Hiroshi Yamamoto, Tadao Ishibashi

Proceedings Volume 9585, 958506 (2015) https://doi.org/10.1117/12.2186925

KEYWORDS: Antennas, Terahertz radiation, Photodiodes, Optical fibers, Absorption, Silicon, Photomicroscopy, Electrodes, Capacitors, Signal generators

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Proceedings Article | 13 May 2015 Paper

Broadband terahertz-wave detector implementing zero-biased InGaAsP Schottky-barrier diode

Hiroshi Ito

Proceedings Volume 9483, 948307 (2015) https://doi.org/10.1117/12.2182741

KEYWORDS: Signal detection, Antennas, Sensors, Waveguides, Polarization, Diodes, Terahertz radiation, Arsenic, Integrated circuit design, Integrated circuits

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Proceedings Article | 5 September 2014 Paper

Widely tunable THz-wave emitter with linear polarization characteristics based on antenna-integrated UTC-PD

Hiroshi Ito, Toshihide Yoshimatsu, Hiroshi Yamamoto, Tadao Ishibashi

Proceedings Volume 9199, 919908 (2014) https://doi.org/10.1117/12.2060986

KEYWORDS: Antennas, Terahertz radiation, Dielectric polarization, Polarization, Ellipsometry, Optical testing, Mineralogy, Electrodes, Signal generators, Signal attenuation

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SPIE Journal Paper | 12 March 2014

Broadband photonic terahertz-wave emitter integrating uni-traveling-carrier photodiode and self-complementary planar antenna

Hiroshi Ito, Toshihide Yoshimatsu, Hiroshi Yamamoto, Tadao Ishibashi

OE, Vol. 53, Issue 03, 031209, (March 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.3.031209

KEYWORDS: Antennas, Polarization, Teeth, Photodiodes, Terahertz radiation, Electrodes, Dielectric polarization, Optical engineering, Absorption, Dielectrics

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Proceedings Article | 24 September 2013 Paper

Broadband photonic terahertz-wave emitter based on planar-antenna-integrated UTC-PD

Hiroshi Ito, Toshihide Yoshimatsu, Tadao Ishibashi

Proceedings Volume 8846, 88460F (2013) https://doi.org/10.1117/12.2023009

KEYWORDS: Antennas, Terahertz radiation, Polarization, Electrons, Absorption, Photodiodes, Signal generators, Photoresistors, Electromagnetic radiation, Optical fibers

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Proceedings Article | 31 May 2013 Paper

Broadband photonic terahertz-wave emitter integrating UTC-PD and novel planar antenna

Hiroshi Ito, Toshihide Yoshimatsu, Hiroshi Yamamoto, Tadao Ishibashi

Proceedings Volume 8716, 871602 (2013) https://doi.org/10.1117/12.2015523

KEYWORDS: Antennas, Terahertz radiation, Absorption, Electrons, Electromagnetic radiation, Photodiodes, Optical fibers, Photoresistors, Silicon, Imaging spectroscopy

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Proceedings Article | 15 October 2012 Paper

High-sensitivity submillimeter wave detector module implementing InP-based zero-biased Schottky-barrier diode

Hiroshi Ito, Yoshifumi Muramoto, Hiroshi Yamamoto, Tadao Ishibashi

Proceedings Volume 8496, 84960K (2012) https://doi.org/10.1117/12.928702

KEYWORDS: Waveguides, Sensors, Diodes, Signal detection, Antennas, Photonics, Extremely high frequency, Transistors, Receivers, Capacitors

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Proceedings Article | 8 September 2011 Paper

Reflection-geometry sub-terahertz-wave imaging for biological materials using an integrated photonic transceiver

Hiroshi Ito, Hiroshi Yamamoto, Yoshifumi Muramoto, Tadao Ishibashi

Proceedings Volume 8119, 811902 (2011) https://doi.org/10.1117/12.892526

KEYWORDS: Transceivers, Signal detection, Image resolution, Waveguides, Photonics, Signal generators, Signal attenuation, In vivo imaging, Metals, Integrated photonics

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Proceedings Article | 2 February 2007 Paper

Uni-traveling-carrier photodiodes for high-speed detection and broadband sensing

Hiroshi Ito, Tadao Nagatsuma, Tadao Ishibashi

Proceedings Volume 6479, 64790X (2007) https://doi.org/10.1117/12.698221

KEYWORDS: Photonics, Absorption, Photodiodes, Electrons, Terahertz radiation, Signal detection, Waveguides, Sensing systems, Antennas, Telecommunications

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Proceedings Article | 2 November 2006 Paper

Photonic terahertz-wave generation using uni-traveling-carrier photodiodes

Hiroshi Ito

Proceedings Volume 6373, 637303 (2006) https://doi.org/10.1117/12.684362

KEYWORDS: Terahertz radiation, Antennas, Electrons, Absorption, Waveguides, Chromium, Photodiodes, Picosecond phenomena, Silicon, Solids

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Proceedings Article | 14 August 2003 Paper

High-speed and high-output-power unitraveling-carrier photodiodes

Hiroshi Ito, Tadao Nagatsuma

Proceedings Volume 5246, (2003) https://doi.org/10.1117/12.511223

KEYWORDS: Telecommunications, Photodiodes, Photonics, Electrons, Absorption, Picosecond phenomena, Imaging systems, Waveguides, Diodes, Wireless communications

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Proceedings Article | 1 July 2003 Paper

Ultrafast uni-traveling-carrier photodiodes for measurement and sensing systems

Hiroshi Ito, Tadao Nagatsuma

Proceedings Volume 4999, (2003) https://doi.org/10.1117/12.479809

KEYWORDS: Photodiodes, Absorption, Electrons, Diodes, Sensing systems, Photonics, Signal detection, Waveguides, Picosecond phenomena, Network security

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Proceedings Article | 30 May 2003 Paper

Ultrafast applications of uni-traveling-carrier photodiodes from measurement to signal processing

Tadao Nagatsuma, Hiroshi Ito

Proceedings Volume 4992, (2003) https://doi.org/10.1117/12.475712

KEYWORDS: Antennas, Photonics, Photodiodes, Signal detection, Ultrafast measurement systems, Absorption, Ultrafast phenomena, Network security, Electrons, Palladium

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Proceedings Article | 9 July 2001 Paper

Photoresponse characteristics of uni-traveling-carrier photodiodes

Tadao Ishibashi, Tomofumi Furuta, Hiroshi Fushimi, Hiroshi Ito

Proceedings Volume 4283, (2001) https://doi.org/10.1117/12.432597

KEYWORDS: Electrons, Photodiodes, Absorption, Diffusion, Electron transport, Modulation, Picosecond phenomena, Indium gallium arsenide, Motion models, Transistors

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Showing 5 of 20 publications

Conference Committee Involvement (20)

Terahertz Emitters, Receivers, and Applications XIII

21 August 2022 | San Diego, California, United States

Terahertz Emitters, Receivers, and Applications XII

2 August 2021 | San Diego, California, United States

Terahertz Emitters, Receivers, and Applications XI

24 August 2020 | Online Only, California, United States

Terahertz Emitters, Receivers, and Applications X

11 August 2019 | San Diego, California, United States

Terahertz Emitters, Receivers, and Applications IX

19 August 2018 | San Diego, California, United States

Terahertz Emitters, Receivers, and Applications VIII

6 August 2017 | San Diego, California, United States

Terahertz Emitters, Receivers, and Applications VII

28 August 2016 | San Diego, California, United States

Terahertz Physics, Devices, and Systems X: Advanced Applications in Industry and Defense

17 April 2016 | Baltimore, MD, United States

Terahertz Emitters, Receivers, and Applications VI

11 August 2015 | San Diego, California, United States

Terahertz Physics, Devices, and Systems IX: Advanced Applications in Industry and Defense

22 April 2015 | Baltimore, MD, United States

Terahertz Emitters, Receivers, and Applications V

17 August 2014 | San Diego, California, United States

Terahertz Physics, Devices, and Systems VIII: Advanced Applications in Industry and Defense

5 May 2014 | Baltimore, MD, United States

Terahertz Emitters, Receivers, and Applications IV

25 August 2013 | San Diego, California, United States

Terahertz Physics, Devices, and Systems VII: Advanced Applications in Industry and Defense

29 April 2013 | Baltimore, Maryland, United States

Terahertz Physics, Devices, and Systems VI: Advance Applications in Industry and Defense

23 April 2012 | Baltimore, Maryland, United States

Terahertz Physics, Devices, and Systems V: Advance Applications in Industry and Defense

25 April 2011 | Orlando, Florida, United States

Terahertz Physics, Devices, and Systems IV: Advanced Applications in Industry and Defense

5 April 2010 | Orlando, Florida, United States

Terahertz Physics, Devices, and Systems III: Advanced Applications in Industry and Defense

14 April 2009 | Orlando, Florida, United States

Terahertz Physics, Devices, and Systems II

11 September 2007 | Boston, MA, United States

Terahertz Physics, Devices, and Systems

2 October 2006 | Boston, Massachusetts, United States

Showing 5 of 20 Conference Committees

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