Prof. Makoto Nakajima Profile

Prof. Makoto Nakajima

at Osaka Univ

SPIE Involvement:

Conference Program Committee | Author

Publications (19)

Proceedings Article | 12 March 2024 Presentation

Highly efficient optical beats using laser chaos for THz waves

Fumiyoshi Kuwashima, Mona Jarrahi, Semih Cakmakyapan, Osamu Morikawa, Kazuyoshi Kurihara, Kenji Wada, Hideaki Kitahara, Takashi Furuya, Masanobu Haraguchi, Takeshi Moriyasu, Yuki Kawakami, Makoto Nakajima, Masahiko Tani

Proceedings Volume PC12885, PC1288501 (2024) https://doi.org/10.1117/12.3002192

KEYWORDS: Laser optics, Terahertz radiation, Chaos, Continuous wave operation, Semiconductor lasers, Plasmonics

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Proceedings Article | 6 October 2023 Presentation

Optimization of terahertz emission from spintronic Fe/Pt hetero-structures

Masahiko Tani, Miezel Talara, Dmitry Bulgarevich, Valynn Mag-usara, Mary Escaño, Hideaki Kitahara, Takashi Furuya, Makoto Nakajima, Makoto Watanabe, Garik Torosyan, René Beigang

Proceedings Volume PC12683, PC1268302 (2023) https://doi.org/10.1117/12.2681756

KEYWORDS: Spintronics, Terahertz radiation, Principal component analysis, Antennas, Heterojunctions, Frequency modulation, Fermium, Emission wavelengths, Ultraviolet radiation, UV optics

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Proceedings Article | 13 March 2023 Presentation + Paper

Stable optical beats in laser chaos near the threshold level for THz waves generation

Fumiyoshi Kuwashima, Mona Jarrahi, Semih Cakmakyapan, Osamu Morikawa, Takuya Shirao, Kazuyuki Iwao, Kazuyoshi Kurihara, Hideaki Kitahara, Takashi Furuya, Kenji Wada, Makoto Nakajima, Masahiko Tani

Proceedings Volume 12420, 124200D (2023) https://doi.org/10.1117/12.2649618

KEYWORDS: Laser optics, Terahertz radiation, Semiconductor lasers, Laser frequency, Chaos, Laser damage threshold, Laser stabilization, Antennas, Spectrum analysis, Mirrors

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Proceedings Article | 7 March 2022 Presentation + Paper

High stable optical beats in laser chaos for CW THz-TDS system

Fumiyoshi Kuwashima, Mona Jarrahi, Semih Cakmakyapan, Osamu Morikawa, Takuya Shirao, Kazuyuki Iwao, Kazuyoshi Kurihara, Hideaki Kitahara, Takashi Furuya, Kenji Wada, Makoto Nakajima, Masahiko Tani

Proceedings Volume 12000, 120000N (2022) https://doi.org/10.1117/12.2607854

KEYWORDS: Laser optics, Chaos, Semiconductor lasers, Terahertz radiation, Spectrum analysis, Continuous wave operation, Laser stabilization, Antennas

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Proceedings Article | 1 November 2021 Paper

Terahertz time-domain spectroscopy of wide-bandgap semiconductors GaN and β-Ga2O3

Verdad Agulto, Toshiyuki Iwamoto, Kazuhiro Toya, Valynn Katrine Mag-usara, Masayuki Imanishi, Ken Goto, Hisashi Murakami, Yoshinao Kumagai, Yusuke Mori, Masashi Yoshimura, Makoto Nakajima

Proceedings Volume 12057, 120574M (2021) https://doi.org/10.1117/12.2606988

KEYWORDS: Terahertz radiation, Gallium nitride, Semiconducting wafers, Refractive index, Semiconductors, Terahertz spectroscopy, Ellipsometry

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Proceedings Article | 9 October 2021 Presentation + Paper

Ultrafast visualization of an electric field around relativistic electron beams

M. Ota, K. Kan, S. Komada, Y. Arikawa, V. Agulto, V. Mag-usara, Y. Sakawa, T. Matsui, M. Nakajima

Proceedings Volume 11906, 1190606 (2021) https://doi.org/10.1117/12.2601103

KEYWORDS: Electron beams, Crystals, Picosecond phenomena, Laser crystals, Terahertz radiation, Visualization, Ultrafast phenomena, Laser beam diagnostics, Free electron lasers, Electro optics

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Proceedings Article | 5 March 2021 Presentation + Paper

Stability of CW-THz wave using laser chaos

Fumiyoshi Kuwashima, Mona Jarrahi, Semih Cakmakyapan, Osamu Morikawa, Takuya Shirao, Kazuyuki Iwao, Kazuyoshi Kurihara, Hideaki Kitahara, Takashi Furuya, Kenji Wada, Makoto Nakajima, Masahiko Tani

Proceedings Volume 11685, 116851C (2021) https://doi.org/10.1117/12.2578839

KEYWORDS: Laser stabilization, Radio optics, Chaos, Continuous wave operation, Terahertz spectroscopy, Semiconductor lasers, Plasmonics, Spectroscopy, Modes of laser operation

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Proceedings Article | 2 March 2020 Presentation + Paper

Stable THz wave generations using laser chaos

F. Kuwashima, T. Shirao, M. Tani, K. Kurihara, K. Yamamoto, O. Morikawa, H. Kitahara, M. Nakajima

Proceedings Volume 11279, 112790R (2020) https://doi.org/10.1117/12.2546138

KEYWORDS: Terahertz radiation, Chaos, Semiconductor lasers, Signal detection, Continuous wave operation, Spectroscopy, Antennas, Laser stabilization

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Proceedings Article | 4 March 2019 Presentation + Paper

High-efficiency THz wave generation and detection using laser chaos and metal V-grooved wave guide

F. Kuwashima, T. Shirao, K. Iwao, M. Tani, K. Kurihara, K. Yamamoto, O. Morikawa, H. Kitahara, M. Nakajima

Proceedings Volume 10902, 109021A (2019) https://doi.org/10.1117/12.2510136

KEYWORDS: Signal detection, Terahertz radiation, Waveguides, Semiconductor lasers, Chaos, Metals, Antennas, Mirrors, Silicon, Reflectivity

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Proceedings Article | 1 March 2019 Presentation + Paper

Terahertz wave manipulation and detection based on liquid crystals

L. Wang, Y. Lu, M. Nakajima

Proceedings Volume 10941, 109410D (2019) https://doi.org/10.1117/12.2507441

KEYWORDS: Terahertz radiation, Liquid crystals, Electrodes, Polarization, Imaging systems, Graphene, Wave plates, Metamaterials, Magnetism, Birefringence

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Proceedings Article | 9 November 2018 Paper

Terahertz emission and detection in magnetic materials

Hongsong Qiu, Kosaku Kato, Makoto Nakajima

Proceedings Volume 10826, 108260C (2018) https://doi.org/10.1117/12.2505840

KEYWORDS: Terahertz radiation, Heterojunctions, Platinum, Fermium, Frequency modulation, Interfaces, Magnetism, Ferromagnetics, Diffusion, Crystals

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Proceedings Article | 3 November 2016 Paper

Terahertz pulse generation from metal nanoparticle ink

Kosaku Kato, Keisuke Takano, Yuzuru Tadokoro, Thanh Nhat Khoa Phan, Makoto Nakajima

Proceedings Volume 10030, 1003005 (2016) https://doi.org/10.1117/12.2247769

KEYWORDS: Nanoparticles, Terahertz radiation, Nanostructures, Metals, Femtosecond phenomena, Silver, Polarization, Scanning electron microscopy, Solids, Millimeter wave sensors

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Proceedings Article | 29 July 2016 Paper

LiteBIRD: lite satellite for the study of B-mode polarization and inflation from cosmic microwave background radiation detection

H. Ishino, Y. Akiba, K. Arnold, D. Barron, J. Borrill, R. Chendra, Y. Chinone, S. Cho, A. Cukierman, T. de Haan, M. Dobbs, A. Dominjon, T. Dotani, T. Elleflot, J. Errard, T. Fujino, H. Fuke, T. Funaki, N. Goeckner-Wald, N. Halverson, P. Harvey, T. Hasebe, M. Hasegawa, K. Hattori, M. Hattori, M. Hazumi, N. Hidehira, C. Hill, G. Hilton, W. Holzapfel, Y. Hori, J. Hubmayr, K. Ichiki, H. Imada, J. Inatani, M. Inoue, Y. Inoue, F. Irie, K. Irwin, H. Ishitsuka, O. Jeong, H. Kanai, K. Karatsu, S. Kashima, N. Katayama, I. Kawano, T. Kawasaki, B. Keating, S. Kernasovskiy, R. Keskitalo, A. Kibayashi, Y. Kida, N. Kimura, K. Kimura, T. Kisner, K. Kohri, E. Komatsu, K. Komatsu, C.-L. Kuo, S. Kuromiya, A. Kusaka, A. Lee, D. Li, E. Linder, M. Maki, H. Matsuhara, T. Matsumura, S. Matsuoka, S. Matsuura, S. Mima, Y. Minami, K. Mitsuda, M. Nagai, T. Nagasaki, R. Nagata, M. Nakajima, S. Nakamura, T. Namikawa, M. Naruse, T. Nishibori, K. Nishijo, H. Nishino, A. Noda, T. Noguchi, H. Ogawa, W. Ogburn, S. Oguri, I. Ohta, N. Okada, A. Okamoto, T. Okamura, C. Otani, G. Pisano, G. Rebeiz, P. Richards, S. Sakai, Y. Sakurai, Y. Sato, N. Sato, Y. Segawa, S. Sekiguchi, Y. Sekimoto, M. Sekine, U. Seljak, B. Sherwin, T. Shimizu, K. Shinozaki, S. Shu, R. Stompor, H. Sugai, H. Sugita, J. Suzuki, T. Suzuki, A. Suzuki, O. Tajima, S. Takada, S. Takakura, K. Takano, S. Takatori, Y. Takei, D. Tanabe, T. Tomaru, N. Tomita, P. Turin, S. Uozumi, S. Utsunomiya, Y. Uzawa, T. Wada, H. Watanabe, B. Westbrook, N. Whitehorn, Y. Yamada, R. Yamamoto, N. Yamasaki, T. Yamashita, T. Yoshida, M. Yoshida, K. Yotsumoto

Proceedings Volume 9904, 99040X (2016) https://doi.org/10.1117/12.2231995

KEYWORDS: Telescopes, Satellites, Microwave radiation, Polarization, Sensors, Space telescopes, Space operations, Detector arrays, Mirrors, Bolometers

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Proceedings Article | 7 February 2009 Paper

Photo-induced insulator-metal phase transition observed by the terahertz pump-probe spectroscopy

Makoto Nakajima, Naoko Takubo, Zenji Hiroi, Yutaka Ueda, Tohru Suemoto

Proceedings Volume 7214, 72140Q (2009) https://doi.org/10.1117/12.810003

KEYWORDS: Terahertz radiation, Transmittance, Picosecond phenomena, Thin films, Crystals, Terahertz spectroscopy, Spectroscopy, Ultrafast phenomena, Temperature metrology, X-ray diffraction

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Proceedings Article | 4 December 2008 Paper

Development of multi-layer process materials for hyper-NA lithography process

Yasushi Sakaida, Makoto Nakajima, Tetsuya Shinjo, Keisuke Hashimoto

Proceedings Volume 7140, 71403Z (2008) https://doi.org/10.1117/12.804688

KEYWORDS: System on a chip, Silicon, Etching, Lithography, Reflectivity, Semiconducting wafers, Materials processing, Multilayers, Sensors, Immersion lithography

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Proceedings Article | 26 March 2008 Paper

The design and evaluation of high barrier performance organic BARC material

Tomohisa Ishida, Rikimaru Sakamoto, Yoshiomi Hiroi, Yasushi Sakaida, Takahiro Hamada

Proceedings Volume 6923, 69232H (2008) https://doi.org/10.1117/12.772103

KEYWORDS: Polymers, Lithography, Semiconducting wafers, Contamination, Silicon, Semiconductors, Reflection, Polymer thin films, Optical lithography, Immersion lithography

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Proceedings Article | 2 April 2007 Paper

Multilayer BARCs for hyper-NA immersion lithography process

Yasushi Sakaida, Makoto Nakajima, Shigeo Kimura, Takahiro Sakaguchi, Keisuke Hashimoto, Hikaru Imamura

Proceedings Volume 6519, 65192A (2007) https://doi.org/10.1117/12.711382

KEYWORDS: System on a chip, Etching, Silicon, Reflectivity, Lithography, Immersion lithography, Photoresist processing, Reflection, Sensors, Semiconducting wafers

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Proceedings Article | 11 April 2006 Paper

Design and development of next-generation bottom anti-reflective coatings for 45nm process with hyper NA lithography

Makoto Nakajima, Takahiro Sakaguchi, Keisuke Hashimoto, Rikimaru Sakamoto, Takahiro Kishioka, Satoshi Takei, Tomoyuki Enomoto, Yasuyuki Nakajima

Proceedings Volume 6153, 61532L (2006) https://doi.org/10.1117/12.656132

KEYWORDS: System on a chip, Etching, Photoresist processing, Lithography, Photomasks, Silicon, Semiconducting wafers, Reflectivity, Bottom antireflective coatings, Carbon

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Proceedings Article | 15 February 2006 Paper

Terahertz radiation from semiconductor surfaces in magnetic fields at high-density excitation

Makoto Nakajima, Yuji Oda, Shingo Saito, Tohru Suemoto

Proceedings Volume 6118, 61180J (2006) https://doi.org/10.1117/12.641391

KEYWORDS: Terahertz radiation, Magnetism, Indium arsenide, Electrons, Semiconductors, Diffusion, Magnetic semiconductors, Frequency conversion, Antennas, Picosecond phenomena

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