Prof. Makoto Kuwata-Gonokami Profile

Prof. Makoto Kuwata-Gonokami

Professor Applied Physics at Univ of Tokyo

SPIE Involvement:

Author

Publications (16)

Proceedings Article | 31 August 2022 Poster + Paper

Poster + Paper

Impact of the effective thickness from anti-reflective sub-wavelength structures in achromatic half-wave plate design

Ryota Takaku, Susanna Azzoni, Tommaso Ghigna, Takashi Hasebe, Thuong Hoang, Yurika Hoshino, Nobuhiko Katayama, Kunimoto Komatsu, Kuniaki Konishi, Makoto Kuwata-Gonokami, Tomotake Matsumura, Haruyuki Sakurai, Yuki Sakurai, Shinya Sugiyama, Noriko Yamasaki, Junji Yumoto

Proceedings Volume 12190, 121902K (2022) https://doi.org/10.1117/12.2629213

KEYWORDS: Modulation, Transmittance, Sapphire, Phase shift keying, Laser ablation, Autoregressive models, Refractive index, Phase shifts, Cryogenics, Antireflective coatings

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Proceedings Article | 18 December 2020 Poster + Presentation + Paper

Poster + Presentation + Paper

Demonstration of five-layer phase-flat achromatic half-wave plate with anti-reflective structures and superconducting magnetic bearing for CMB polarization experiments

Kunimoto Komatsu, Hirokazu Ishino, Hirokazu Kataza, Kuniaki Konishi, Makoto Kuwata-Gonokami, Nobuhiko Katayama, Shinya Sugiyama, Tomotake Matsumura, Haruyuki Sakurai, Yuki Sakurai, Ryota Takaku, Junji Yumoto

Proceedings Volume 11453, 114534I (2020) https://doi.org/10.1117/12.2560486

KEYWORDS: Superconductors, Magnetism, Polarization, Phase shift keying, Modulation, Sapphire, Modulators, Wave plates, Signal detection, Sensors

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Proceedings Article | 16 December 2020 Presentation + Paper

Presentation + Paper

Demonstration of anti-reflective structures over a large area for CMB polarization experiments

Ryota Takaku, Shaul Hanany, Yurika Hoshino, Hiroaki Imada, Hirokazu Ishino, Nobuhiko Katayama, Kunimoto Komatsu, Kuniaki Konishi, Makoto Kuwata Gonokami, Tomotake Matsumura, Kazuhisa Mitsuda, Haruyuki Sakurai, Yuki Sakurai, Qi Wen, Noriko Yamasaki, Karl Young, Junji Yumoto

Proceedings Volume 11453, 114531A (2020) https://doi.org/10.1117/12.2562028

KEYWORDS: Polarization, Sapphire, Cryogenics, Silicon, Optical components, Refraction, Patterned sapphire substrate, Extremely high frequency, Lenses, Antireflective coatings

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Proceedings Article | 13 December 2020 Poster + Presentation + Paper

Poster + Presentation + Paper

Breadboard model of the polarization modulator unit based on a continuously rotating half-wave plate for the low-frequency telescope of the LiteBIRD space mission

Yuki Sakurai, Tomotake Matsumura, Nobuhiko Katayama, Kunimoto Komatsu, Ryota Takaku, Shinya Sugiyama, Yoshiki Nomura, Takayuki Toda, Tommaso Ghigna, Teruhito Iida, Hajime Sugai, Hiroaki Imada, Masashi Hazumi, Hirokazu Ishino, Hiroyuki Ohsaki, Yutaka Terao, Hisashi Enokida, Yusuke Ishida, Yosuke Iwata, Doa Ahmad, Kuniaki Konishi, Haruyuki Sakurai, Junji Yumoto, Makoto Kuwata-Gonokami, Akito Kusaka, Charles Hill

Proceedings Volume 11453, 114534E (2020) https://doi.org/10.1117/12.2560289

KEYWORDS: Telescopes, Polarization, Modulators, Space operations, Space telescopes, Satellites, Signal detection, Sensors, Modulation, Calibration

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Proceedings Article | 2 September 2009 Paper

Paper

Optical activity in metal and dielectric planar chiral gratings

Kuniaki Konishi, Natsuki Kanda, Benfeng Bai, Xiangfeng Meng, Petri Karvinen, Jari Turunen, Yuri Svirko, Makoto Kuwata-Gonokami

Proceedings Volume 7395, 73951F (2009) https://doi.org/10.1117/12.827004

KEYWORDS: Metals, Optical activity, Polarization, Dielectric polarization, Terahertz radiation, Surface plasmons, Interfaces, Dielectrics, Resonance enhancement, Waveguides

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Proceedings Article | 23 January 2006 Paper

Paper

Giant optical activity in quasi-2D planar nanostructures

Makoto Kuwata-Gonokami, Nobuyoshi Saito, Yusuke Ino, Kuniaki Konishi, Martti Kauranen, Konstantins Jefimovs, Tuomas Vallius, Jari Turunen, Yuri Svirko

Proceedings Volume 6110, 61100G (2006) https://doi.org/10.1117/12.644491

KEYWORDS: Polarization, Dielectric polarization, Interfaces, Optical activity, Nanostructures, Gold, Metals, Plasmons, Particles, Diffraction

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Proceedings Article | 13 April 2005 Paper

Paper

Ultrafast magneto-optical spectroscopy of GaMnAs

Jean Benoit Heroux, Eiji Kojima, Y. Ino, Y. Hashimoto, Shingo Katsumoto, Yasushiro Iye, Makoto Kuwata-Gonokami

Proceedings Volume 5725, (2005) https://doi.org/10.1117/12.601978

KEYWORDS: Transmittance, Picosecond phenomena, Mid-IR, Absorption, Diffusion, Manganese, Temperature metrology, Magnetism, Reflectivity, Electrons

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SPIE Journal Paper | 1 March 2005

Er³⁺-doped tellurite glass microsphere laser: optical properties, coupling scheme, and lasing characteristics

Xiang Peng, Feng Song, Makoto Gonokami, Shibin Jiang, Nasser Peyghambarian

OE, Vol. 44, Issue 03, 034202, (March 2005) https://doi.org/10.1117/12.10.1117/1.1869995

KEYWORDS: Glasses, Erbium, Laser glasses, Doping, Absorption, Laser damage threshold, Laser stabilization, Fiber lasers, L band, Optical properties

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Proceedings Article | 14 June 2004 Paper

Paper

Temperature dependence of the wavelength and threshold of fiber-taper-coupled L-band Er3+-doped tellurite glass microsphere laser

Xiang Peng, Feng Song, Makoto Gonokami, Shibin Jiang, Nasser Peyghambarian

Proceedings Volume 5350, (2004) https://doi.org/10.1117/12.527731

KEYWORDS: Laser damage threshold, Temperature metrology, Glasses, Optical pumping, L band, Refractive index, Laser glasses, Fiber lasers, Laser stabilization, Fiber coupled lasers

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Proceedings Article | 17 June 2003 Paper

Paper

Fiber-taper-coupled L-band Er³⁺-doped tellurite glass microsphere laser

Xiang Peng, Feng Song, Shibin Jiang, Makoto Gonokami, Nasser Peyghambarian

Proceedings Volume 4990, (2003) https://doi.org/10.1117/12.474768

KEYWORDS: Glasses, L band, Erbium, Refractive index, Laser glasses, Fiber lasers, Absorption, Fiber coupled lasers, Telecommunications, Lasers

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Proceedings Article | 5 April 2002 Paper

Paper

Signal enhancement in Er3+-doped telluride glass microsphere

Xiang Peng, Feng Song, Shibin Jiang, Makoto Gonokami, Nasser Peyghambarian

Proceedings Volume 4645, (2002) https://doi.org/10.1117/12.461650

KEYWORDS: Glasses, Optical pumping, Fiber couplers, Erbium, Optical amplifiers, Fiber coupled lasers, Single mode fibers, Resonators, Geometrical optics, Spectroscopy

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Proceedings Article | 12 May 2000 Paper

Paper

Tight-binding coupling of microsphere resonators

Makoto Kuwata-Gonokami

Proceedings Volume 3930, (2000) https://doi.org/10.1117/12.385400

KEYWORDS: Optical spheres, Luminescence, Molecules, Information operations, Spherical lenses, Resonators, Refractive index, Chemical species, Optical fibers, Geometrical optics

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Proceedings Article | 7 July 1998 Paper

Paper

Ultrafast optical nonlinearity due to virtual excitations of excitons in dc-biased AlGaAs microcavities

R. Shimano, Makoto Kuwata-Gonokami, Yutaka Kadoya, Masamichi Yamanishi

Proceedings Volume 3283, (1998) https://doi.org/10.1117/12.316713

KEYWORDS: Excitons, Polarization, Quantum wells, Optical microcavities, Dielectric polarization, Nonlinear optics, Ultrafast phenomena, Gallium arsenide, Solids, Spectroscopy

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Proceedings Article | 17 April 1998 Paper

Paper

Whispering-gallery-mode oscillation in a polymer microring laser

Yutaka Kawabe, Christine Spiegelberg, Alex Schuelzgen, Marie-Flore Nabor, Ghassan Jabbour, Bernard Kippelen, Eugene Mash, Pierre-Marc Allemand, Nasser Peyghambarian, Makoto Kuwata-Gonokami, Kenji Takeda

Proceedings Volume 3281, (1998) https://doi.org/10.1117/12.305423

KEYWORDS: Polymers, Microrings, Laser damage threshold, Semiconductors, Polymer thin films, Telescopic pixel displays, Optical pumping, Luminescence, Femtosecond phenomena, Excitons

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Proceedings Article | 17 April 1998 Paper

Paper

Semiconducting conjugated polymers: light amplification and lasing

Alex Schuelzgen, Christine Spiegelberg, Michael Morrell, Sergio Mendes, Pierre-Marc Allemand, Yutaka Kawabe, Makoto Kuwata-Gonokami, Seppo Honkanen, Mahmoud Fallahi, Bernard Kippelen, Nasser Peyghambarian

Proceedings Volume 3281, (1998) https://doi.org/10.1117/12.305421

KEYWORDS: Polymers, Absorption, Resonators, Semiconductors, Waveguides, Excitons, Laser resonators, Active optics, Laser applications, Optical microcavities

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SPIE Journal Paper | 1 April 1998

Light amplification and laser emission in conjugated polymers

Alex Schuelzgen, Christine Spiegelberg, Michael Morrell, Sergio Mendes, Pierre-Marc Allemand, Yutaka Kawabe, Makoto Kuwata-Gonokami, Seppo Honkanen, Mahmoud Fallahi, Bernard Kippelen, Nasser Peyghambarian

OE, Vol. 37, Issue 04, (April 1998) https://doi.org/10.1117/12.10.1117/1.601949

KEYWORDS: Polymers, Absorption, Excitons, Resonators, Waveguides, Semiconductors, Mirrors, Laser applications, Silicon, Femtosecond phenomena

Showing 5 of 16 publications

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