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2024
Broadband and efficient terahertz helicity inversion by a reconfigurable reflective metasurface based on vanadium dioxide
Akira Inokuma, Keisuke Takano, Toshihiro Nakanishi, Fumiaki Miyamaru, Kunio Okimura, Atsushi Sanada, and Yosuke Nakata
Frequency down-conversion of terahertz waves at optically induced temporal boundaries in GaAs waveguides
Keisuke Takano, Satoko Uchiyama, Shintaro Nagase, Yuka Tsuchimoto, Toshihiro Nakanishi, Yosuke Nakata, Joel Pérez-Urquizo, Julien Madéo, Keshav M. Dani, and Fumiaki Miyamaru
Attenuation management in terahertz frequency conversion with temporal boundary using a metallic structure
Fumiaki Miyamaru, Miki Amaki, Keisuke Takano, Joel Pérez-Urquizo, Julien Madéo, Keshav M. Dani, Yosuke Nakata, and Toshihiro Nakanishi
Akira Inokuma, Keisuke Takano, Toshihiro Nakanishi, Fumiaki Miyamaru, Kunio Okimura, Atsushi Sanada, and Yosuke Nakata
Applied Physics Letters 125, 081703 (2024).
Frequency down-conversion of terahertz waves at optically induced temporal boundaries in GaAs waveguides
Keisuke Takano, Satoko Uchiyama, Shintaro Nagase, Yuka Tsuchimoto, Toshihiro Nakanishi, Yosuke Nakata, Joel Pérez-Urquizo, Julien Madéo, Keshav M. Dani, and Fumiaki Miyamaru
Nanophotonics 13, 3077 (2024).
Attenuation management in terahertz frequency conversion with temporal boundary using a metallic structure
Fumiaki Miyamaru, Miki Amaki, Keisuke Takano, Joel Pérez-Urquizo, Julien Madéo, Keshav M. Dani, Yosuke Nakata, and Toshihiro Nakanishi
Physical Review Applied 21, 044044 (2024).
2023
Hidden symmetry protection for surface plasmon polaritons
Yosuke Nakata, Toshihiro Nakanishi, Ryo Takahashi, Fumiaki Miyamaru, and Shuichi Murakami
Bulk-edge correspondences for surface plasmon polaritons: A circuit approach
Yosuke Nakata, Toshihiro Nakanishi, Ryo Takahashi, Fumiaki Miyamaru, and Shuichi Murakami
Yosuke Nakata, Toshihiro Nakanishi, Ryo Takahashi, Fumiaki Miyamaru, and Shuichi Murakami
Physical Review Research 5, L042027 (2023).
Bulk-edge correspondences for surface plasmon polaritons: A circuit approach
Yosuke Nakata, Toshihiro Nakanishi, Ryo Takahashi, Fumiaki Miyamaru, and Shuichi Murakami
Physical Review B 108, 174105 (2023).
2022
Dynamic inversion of planar-chiral response of terahertz metasurface based on critical transition of checkerboard structures
Yoshiro Urade, Kai Fukawa, Fumiaki Miyamaru, Kunio Okimura, Toshihiro Nakanishi and Yosuke Nakata
Dynamic Quarter-Wave Metasurface for Efficient Helicity Inversion of Polarization Beyond the Single-Layer Conversion Limit
Mitsuki Kobachi, Fumiaki Miyamaru, Toshihiro Nakanishi, Kunio Okimura, Atsushi Sanada, and Yosuke Nakata
Yoshiro Urade, Kai Fukawa, Fumiaki Miyamaru, Kunio Okimura, Toshihiro Nakanishi and Yosuke Nakata
Nanophotonics 11, 2057 (2022).
Dynamic Quarter-Wave Metasurface for Efficient Helicity Inversion of Polarization Beyond the Single-Layer Conversion Limit
Mitsuki Kobachi, Fumiaki Miyamaru, Toshihiro Nakanishi, Kunio Okimura, Atsushi Sanada, and Yosuke Nakata
Advanced Optical Materials 10, 2101615 (2022).
2021
Ultrafast Frequency-Shift Dynamics at Temporal Boundary Induced by Structural-Dispersion Switching of Waveguides
Fumiaki Miyamaru, Chihiro Mizuo, Toshihiro Nakanishi, Yosuke Nakata, Kakeru Hasebe, Shintaro Nagase, Yu Matsubara, Yusuke Goto, Joel Pérez-Urquizo, Julien Madéo, and Keshav M. Dani
Physical Review Letters 127, 053902 (2021).
Spatial Field Distributions of Electromagnetic Waves in Coupled System of One-Dimensional Photonic Crystals
Hideaki Kitahara, Yosuke Nakata, Youhei Suzuki, Junichi Miyashita, Fumiaki Miyamaru, and Mitsuo W. Takeda
Journal of Physical Society Japan 90, 044708 (2021).
Fumiaki Miyamaru, Chihiro Mizuo, Toshihiro Nakanishi, Yosuke Nakata, Kakeru Hasebe, Shintaro Nagase, Yu Matsubara, Yusuke Goto, Joel Pérez-Urquizo, Julien Madéo, and Keshav M. Dani
Physical Review Letters 127, 053902 (2021).
Spatial Field Distributions of Electromagnetic Waves in Coupled System of One-Dimensional Photonic Crystals
Hideaki Kitahara, Yosuke Nakata, Youhei Suzuki, Junichi Miyashita, Fumiaki Miyamaru, and Mitsuo W. Takeda
Journal of Physical Society Japan 90, 044708 (2021).
2019
Reconfigurable Terahertz Quarter-Wave Plate for Helicity Switching Based on Babinet Inversion of an Anisotropic Checkerboard Metasurface
Yosuke Nakata, Kai Fukawa, Toshihiro Nakanishi, Yoshiro Urade, Kunio Okimura, and Fumiaki Miyamaru
Physical Review Applied 11, 044008 (2019).
Terahertz emission from gold nanorods irradiated by ultrashort laser pulses of different wavelengths
Keisuke Takano, Motoki Asai, Kosaku Kato, Hideaki Komiyama, Akihisa Yamaguchi, Tomokazu Iyoda, Yuzuru Tadokoro, Makoto Nakajima and Michael I. Bakunov
Scientific Reports 9, Article number: 3280 (2019).
Yosuke Nakata, Kai Fukawa, Toshihiro Nakanishi, Yoshiro Urade, Kunio Okimura, and Fumiaki Miyamaru
Physical Review Applied 11, 044008 (2019).
Terahertz emission from gold nanorods irradiated by ultrashort laser pulses of different wavelengths
Keisuke Takano, Motoki Asai, Kosaku Kato, Hideaki Komiyama, Akihisa Yamaguchi, Tomokazu Iyoda, Yuzuru Tadokoro, Makoto Nakajima and Michael I. Bakunov
Scientific Reports 9, Article number: 3280 (2019).
2018
Quantized conductance observed during sintering of silver nanoparticles by intense terahertz pulses
K. Takano, H. Harada, M. Yoshimura, and M. Nakajima
Applied Physics Letters 112, 163102 (2018).
Optical reflectance of patterned frost column-like CNT forest for metamaterial applications
H. Miyaji, A. Pander, K. Takano, H. Kohno, A. Hatta, M. Nakajima, and H. Furuta
Diam. Relat. Mater. 83, 196 (2018).
K. Takano, H. Harada, M. Yoshimura, and M. Nakajima
Applied Physics Letters 112, 163102 (2018).
Optical reflectance of patterned frost column-like CNT forest for metamaterial applications
H. Miyaji, A. Pander, K. Takano, H. Kohno, A. Hatta, M. Nakajima, and H. Furuta
Diam. Relat. Mater. 83, 196 (2018).
2017
Energy loss of terahertz electromagnetic waves by nano-sized connections in near-self-complementary metallic checkerboard patterns
Keisuke Takano, Yoku Tanaka, Gabriel Moreno, Abdallah Chahadih, Abbas Ghaddar, Xiang-Lei Hang, Fran?ois Vaurette, Yosuke Nakata, Fumiaki Miyamaru, Makoto Nakajima, Masanori Hangyo, and Tahsin Akalin
Journal of Applied Physics 122, 063101 (2017).
Theoretical study on dynamical planar-chirality switching in checkerboard-like metasurfaces
Yoshiro Urade, Yosuke Nakata, Toshihiro Nakanishi, and Masao Kitano
EPJ Applied Metamaterials 4, 2 (2017).
Freestanding trasparent terahertz half-wave plate using subwavelength cut-wire pairs
Yosuke Nakata, Yudai Taira, Toshihiro Nakanishi, and Fumiaki Miyamaru
Optics Express 25, 2107 (2017).
Keisuke Takano, Yoku Tanaka, Gabriel Moreno, Abdallah Chahadih, Abbas Ghaddar, Xiang-Lei Hang, Fran?ois Vaurette, Yosuke Nakata, Fumiaki Miyamaru, Makoto Nakajima, Masanori Hangyo, and Tahsin Akalin
Journal of Applied Physics 122, 063101 (2017).
Theoretical study on dynamical planar-chirality switching in checkerboard-like metasurfaces
Yoshiro Urade, Yosuke Nakata, Toshihiro Nakanishi, and Masao Kitano
EPJ Applied Metamaterials 4, 2 (2017).
Freestanding trasparent terahertz half-wave plate using subwavelength cut-wire pairs
Yosuke Nakata, Yudai Taira, Toshihiro Nakanishi, and Fumiaki Miyamaru
Optics Express 25, 2107 (2017).
2016
Anisotropic Babinet-Invertible Metasurfaces to Realize Transmission-Reflection Switching for Orthogonal Polarizations of Light
Yosuke Nakata, Yoshiro Urade, Kunio Okimura, Toshihiro Nakanishi, Fumiaki Miyamaru, Mitsuo Wada Takeda, and Masao Kitano
Physical Review Applied 6, 044022 (2016).
Broadband and energy-concentrating terahertz coherent perfect absorber based on a self-complementary metasurface
Yoshiro Urade, Yosuke Nakata, Toshihiro Nakanishi, and Masao Kitano
Optics Letters 41, 4472 (2016).
Supersymmetric correspondence in spectra on a graph and its line graph: From circuit theory to spoof plasmons on metallic lattices
Sho Kajiwara, Yoshiro Urade, Yosuke Nakata, Toshihiro Nakanishi, and Masao Kitano
Physical Review A 93, 043853 (2016).
Observation of a nonradiative flat band for spoof plasmons in a metallic Lieb lattice
Yosuke Nakata, Yoshiro Urade, Kunio Okimura, Toshihiro Nakanishi, Fumiaki Miyamaru, Mitsuo Wada Takeda, and Masao Kitano
Physical Review B 93, 075126 (2016).
Observation of Fano resonance using a coupled resonator metamaterial composed of meta-atoms arranged by double periodicity
Tsubasa Nishida, Yosuke Nakata, Fumiaki Miyamaru, Toshihiro Nakanishi, and Mitsuo W. Takeda
Applied Physics Express 9, 012201 (2016).
Dynamically Babinet-invertible metasurface: a capacitive-inductive reconfigurable filter for terahertz waves using vanadium-dioxide metal-insulator transition
Yoshiro Urade, Yosuke Nakata, Kunio Okimura, Toshihiro Nakanishi, Fumiaki Miyamaru, Mitsuo W. Takeda, and Masao Kitano
Optics Express 24, 4405 (2016).
Yosuke Nakata, Yoshiro Urade, Kunio Okimura, Toshihiro Nakanishi, Fumiaki Miyamaru, Mitsuo Wada Takeda, and Masao Kitano
Physical Review Applied 6, 044022 (2016).
Broadband and energy-concentrating terahertz coherent perfect absorber based on a self-complementary metasurface
Yoshiro Urade, Yosuke Nakata, Toshihiro Nakanishi, and Masao Kitano
Optics Letters 41, 4472 (2016).
Supersymmetric correspondence in spectra on a graph and its line graph: From circuit theory to spoof plasmons on metallic lattices
Sho Kajiwara, Yoshiro Urade, Yosuke Nakata, Toshihiro Nakanishi, and Masao Kitano
Physical Review A 93, 043853 (2016).
Observation of a nonradiative flat band for spoof plasmons in a metallic Lieb lattice
Yosuke Nakata, Yoshiro Urade, Kunio Okimura, Toshihiro Nakanishi, Fumiaki Miyamaru, Mitsuo Wada Takeda, and Masao Kitano
Physical Review B 93, 075126 (2016).
Observation of Fano resonance using a coupled resonator metamaterial composed of meta-atoms arranged by double periodicity
Tsubasa Nishida, Yosuke Nakata, Fumiaki Miyamaru, Toshihiro Nakanishi, and Mitsuo W. Takeda
Applied Physics Express 9, 012201 (2016).
Dynamically Babinet-invertible metasurface: a capacitive-inductive reconfigurable filter for terahertz waves using vanadium-dioxide metal-insulator transition
Yoshiro Urade, Yosuke Nakata, Kunio Okimura, Toshihiro Nakanishi, Fumiaki Miyamaru, Mitsuo W. Takeda, and Masao Kitano
Optics Express 24, 4405 (2016).
2015
Frequency-Independent Response of Self-Complementary Checkerboard Screens
Yoshiro Urade, Yosuke Nakata, Toshihiro Nakanishi, and Masao Kitano
Physical Review Letters 114, 237401 (2015).
Trapping waves with terahertz metamaterial absorber based on isotropic Mie resonators
R. Yahiaoui, K. Hanai, K. Takano, T. Nishida, F. Miyamaru, M. Nakajima, and M. Hangyo
Optics Letters 40, 3197 (2015).
Yoshiro Urade, Yosuke Nakata, Toshihiro Nakanishi, and Masao Kitano
Physical Review Letters 114, 237401 (2015).
Trapping waves with terahertz metamaterial absorber based on isotropic Mie resonators
R. Yahiaoui, K. Hanai, K. Takano, T. Nishida, F. Miyamaru, M. Nakajima, and M. Hangyo
Optics Letters 40, 3197 (2015).
2014
Crossover from capacitive to inductive electromagnetic responses in near self-complementary metallic checkerboard patterns
K. Takano, F. Miyamaru, K. Akiyama, H. Miyazaki, M. W. Takeda, Y. Abe, Y. Tokuda, H. Ito, and M. Hangyo
Optics Express 22, 24787 (2014).
Terahertz metamolecules deposited on thin flexible polymer: design, fabrication and experimental characterization
R. Yahiaoui, K. Takano, F. Miyamaru, M. Hangyo, and P. Mounaix
Journal of Optics 16, 094014 (2014).
Ultrafast optical control of group delay of narrow-band terahertz waves
F. Miyamaru, H. Morita, Y. Nishiyama, T. Nishida, T. Nakanishi, M. Kitano and M. W. Takeda
Scientific Reports 4, 4346 (2014).
Analysis and design of concave lens with metallic slit array for terahertz wave band
T. Suzuki, H. Yonamine, T. Konno, J. C. Young, K. Murai, F. Miyamaru, K. Takano, H. Kitahara, and M. Hangyo
Applied Physics A 115, 495 (2014).
Focusing effect measurements of artificial dielectric multilayer lens with metal rectangular chips for terahertz wave band
Y. Takebayashi, T. Konno, S. Shimada, F. Miyamaru, J. C. young, H. Kitahara, K. Takano, M. Hangyo, and T. Suzuki
Applied Physics A 115, 501 (2014).
Highly Sensitive Terahertz Sensing of Glycerol-Water Mixtures with Metamaterials
F. Miyamaru, K. Hattori, K. Shiraga, S. Kawashima, S. Suga, T. Nishida, M. W. Takeda, and Y. Ogawa
Journal of Infrared Millimeter and Terahertz Waves 35, 198 (2014).
K. Takano, F. Miyamaru, K. Akiyama, H. Miyazaki, M. W. Takeda, Y. Abe, Y. Tokuda, H. Ito, and M. Hangyo
Optics Express 22, 24787 (2014).
Terahertz metamolecules deposited on thin flexible polymer: design, fabrication and experimental characterization
R. Yahiaoui, K. Takano, F. Miyamaru, M. Hangyo, and P. Mounaix
Journal of Optics 16, 094014 (2014).
Ultrafast optical control of group delay of narrow-band terahertz waves
F. Miyamaru, H. Morita, Y. Nishiyama, T. Nishida, T. Nakanishi, M. Kitano and M. W. Takeda
Scientific Reports 4, 4346 (2014).
Analysis and design of concave lens with metallic slit array for terahertz wave band
T. Suzuki, H. Yonamine, T. Konno, J. C. Young, K. Murai, F. Miyamaru, K. Takano, H. Kitahara, and M. Hangyo
Applied Physics A 115, 495 (2014).
Focusing effect measurements of artificial dielectric multilayer lens with metal rectangular chips for terahertz wave band
Y. Takebayashi, T. Konno, S. Shimada, F. Miyamaru, J. C. young, H. Kitahara, K. Takano, M. Hangyo, and T. Suzuki
Applied Physics A 115, 501 (2014).
Highly Sensitive Terahertz Sensing of Glycerol-Water Mixtures with Metamaterials
F. Miyamaru, K. Hattori, K. Shiraga, S. Kawashima, S. Suga, T. Nishida, M. W. Takeda, and Y. Ogawa
Journal of Infrared Millimeter and Terahertz Waves 35, 198 (2014).
2013
Fabrication and performance of TiO2-ceramic-based metamaterials for terahertz frequency range
K. Takano, Y. Yakiyama, K. Shibuya, K. Izumi, H. Miyazaki, Y. Jimba,F. Miyamaru, H. Kitahara, and M. Hangyo
IEEE Transactions on Terahertz Science and Technology 3, 812 (2013).
Fast-Scan Terahertz Time Domain Spectrometer Based on Laser Repetition Frequency Modulation
T. Furuya, E. S. Estacio, K. Horita, C. T. Que, K. Yamamoto, F. Miyamaru, S. Nishizawa, and M. Tani
Japanese Journal of Applied Physics 52, 022401 (2013).
Saturation and Polarization Characteristics of 1.56 μm Optical Probe Pulses in a LTG-GaAs Photoconductive Antenna Terahertz Detector
Elmer S. Estacio, Masakazu Hibi, Katsuya Saito, Christopher T. Que, Takashi Furuya, Fumiaki Miyamaru, SeiziNishizawa, Kohji Yamamoto, Masahiko Tani
Journal of Infrared, Millimeter, and Terahertz Waves 34, 423 (2013).
K. Takano, Y. Yakiyama, K. Shibuya, K. Izumi, H. Miyazaki, Y. Jimba,F. Miyamaru, H. Kitahara, and M. Hangyo
IEEE Transactions on Terahertz Science and Technology 3, 812 (2013).
Fast-Scan Terahertz Time Domain Spectrometer Based on Laser Repetition Frequency Modulation
T. Furuya, E. S. Estacio, K. Horita, C. T. Que, K. Yamamoto, F. Miyamaru, S. Nishizawa, and M. Tani
Japanese Journal of Applied Physics 52, 022401 (2013).
Saturation and Polarization Characteristics of 1.56 μm Optical Probe Pulses in a LTG-GaAs Photoconductive Antenna Terahertz Detector
Elmer S. Estacio, Masakazu Hibi, Katsuya Saito, Christopher T. Que, Takashi Furuya, Fumiaki Miyamaru, SeiziNishizawa, Kohji Yamamoto, Masahiko Tani
Journal of Infrared, Millimeter, and Terahertz Waves 34, 423 (2013).
2012
Transmission properties of double-gap asymmetric split ring resonators in terahertz region
F. Miyamaru, S. Kubota, T. Nakanishi, S. Kawashima, N. Sato, M. Kitano, and M. W. Takeda
Applied Physics Letterss 101, 051112 (2012).
Terahertz response of split-ring resonators with fractal structures
F. Miyamaru, S. Kuboda, and M. W. Takeda
Applied Physics Express 5, 072001 (2012).
Photoconductive emission and detection of terahertz pulsed radiation using semiconductors and semiconductor devices
M. Tani , K. Yamamoto, E. S. Estacio, C. T. Que, H. Nakajima, M. Hibi, F. Miyamaru, S. Nishizawa, and M. Hangyo
Journal of Infrared, Millimeter, and Terahertz Waves 33, 393 (2012).
Controlling extraordinary transmission characteristics of metal hole arrays with spoof surface plasmons
F. Miyamaru, M. Kamijyo, N. Hanaoka, and M. W. Takeda
Applied Physics Letters 100, 081112 (2012).
F. Miyamaru, S. Kubota, T. Nakanishi, S. Kawashima, N. Sato, M. Kitano, and M. W. Takeda
Applied Physics Letterss 101, 051112 (2012).
Terahertz response of split-ring resonators with fractal structures
F. Miyamaru, S. Kuboda, and M. W. Takeda
Applied Physics Express 5, 072001 (2012).
Photoconductive emission and detection of terahertz pulsed radiation using semiconductors and semiconductor devices
M. Tani , K. Yamamoto, E. S. Estacio, C. T. Que, H. Nakajima, M. Hibi, F. Miyamaru, S. Nishizawa, and M. Hangyo
Journal of Infrared, Millimeter, and Terahertz Waves 33, 393 (2012).
Controlling extraordinary transmission characteristics of metal hole arrays with spoof surface plasmons
F. Miyamaru, M. Kamijyo, N. Hanaoka, and M. W. Takeda
Applied Physics Letters 100, 081112 (2012).
2011
Optical switching of terahertz radiation from meta-atom-loaded photoconductive antennas
K. Takano, Y. Chiyoda, T. Nishida, F. Miyamaru, T. Kawabata, H. Sasaki, M. W. Takeda, and M. Hangyo
Applied Physics Letters 99, 161114 (2011).
Inelastic Neutron Scattering Study of Ferroelectric Phase Transition in Lithium Heptagermanate (Li2Ge7O15)
M. W. Takeda, Y. Noda, and T. Yamaguchi
Ferroelectrics 412, 45-51 (2011).
Single-phase electrorheological effect in microgravity
G. Zhao, S. Chen, W. Wen, F. Miyamaru, M. W. Takeda, J. Yu, and P. Sheng
Soft Matter 7, 7198 (2011).
Fano effect of metamaterial resonance in terahertz extraordinary transmission
X. Xiao, W. Jinbo, F. Miyamaru, M. Zhang, S. Li, M. W. Takeda, W. Wen, and P. Sheng
Applied Physics Letters 98, 011911 (2011).
K. Takano, Y. Chiyoda, T. Nishida, F. Miyamaru, T. Kawabata, H. Sasaki, M. W. Takeda, and M. Hangyo
Applied Physics Letters 99, 161114 (2011).
Inelastic Neutron Scattering Study of Ferroelectric Phase Transition in Lithium Heptagermanate (Li2Ge7O15)
M. W. Takeda, Y. Noda, and T. Yamaguchi
Ferroelectrics 412, 45-51 (2011).
Single-phase electrorheological effect in microgravity
G. Zhao, S. Chen, W. Wen, F. Miyamaru, M. W. Takeda, J. Yu, and P. Sheng
Soft Matter 7, 7198 (2011).
Fano effect of metamaterial resonance in terahertz extraordinary transmission
X. Xiao, W. Jinbo, F. Miyamaru, M. Zhang, S. Li, M. W. Takeda, W. Wen, and P. Sheng
Applied Physics Letters 98, 011911 (2011).