## Publication

### Journal Papers

- Toshihiro Nakanishi, Yosuke Nakata, Yoshiro Urade, and Kunio Okimura, “Broadband operation of active terahertz quarter-wave plate achieved withvanadium-dioxide-based metasurface switchable by current injection,” Applied Physics Letters
**117**, 091102 (2020). [arXiv:2009.00832] - Yosuke Nakata, Yoshitaka Ito, Yasunobu Nakamura, and Ryuichi Shindou, “Topological Boundary Modes from Translational Deformations,” Physical Review Letters
**124**, 073901 (2020). [arXiv:1903.07052] - Yosuke Nakata, Yoshiro Urade, and Toshihiro Nakanishi, “Geometric Structure behind Duality and Manifestation of Self-Duality from Electrical Circuits to Metamaterials,” Symmetry
**11**, 1336 (2019). - R. Hisatomi, A. Noguchi, R. Yamazaki, Y. Nakata, A. Gloppe, Y. Nakamura, and K. Usami, “Helicity-Changing Brillouin Light Scattering by Magnons in a Ferromagnetic Crystal,” Physical Review Letters
**123**, 207401 (2019). [arXiv:1905.04018] - S. Z. Baba, Y. Nakata, Y. Ito, R. Hisatomi, Y. Nakamura, and K. Usami, “Optical heterodyne imaging of magnetostatic modes in 1D magnonic crystals,” Physical Review B
**100**, 104437 (2019). [arXiv:1905.04683] - Arnaud Gloppe, Ryusuke Hisatomi, Yosuke Nakata, Yasunobu Nakamura, and Koji Usami, “Resonant Magnetic Induction Tomography of a Magnetized Sphere,” Physical Review Applied
**12**, 014061 (2019). [arXiv:1809.09785] - Yosuke Nakata, Kai Fukawa, Toshihiro Nakanishi, Yoshiro Urade, Kunio Okimura, and Fumiaki Miyamaru, “Reconfigurable Terahertz Quarter-Wave Plate for Helicity Switching Based on Babinet Inversion of an Anisotropic Checkerboard Metasurface,” Physical Review Applied
**11**, 044008 (2019). [arXiv:1805.10034] - Keisuke Takano, Yoku Tanaka, Gabriel Moreno, Abdallah Chahadih, Abbas Ghaddar, Xiang-Lei Han, François Vaurette, Yosuke Nakata, Fumiaki Miyamaru, Makoto Nakajima, Masanori Hangyo, and Tahsin Akalin, “Energy loss of terahertz electromagnetic waves by nano-sized connections in near-self-complementary metallic checkerboard patterns,” Journal of Applied Physics
**122**, 063101 (2017). [arXiv:1708.03107] - Yosuke Nakata, Yudai Taira, Toshihiro Nakanishi, and Fumiaki Miyamaru, “Freestanding transparent terahertz half-wave plate using subwavelength cut-wire pairs,” Optics Express
**25**, 2107-2114 (2017). [arXiv:1701.08346] - Yoshiro Urade, Yosuke Nakata, Toshihiro Nakanishi, and Masao Kitano, “Theoretical study on dynamical planar-chirality switching in checkerboard-like metasurfaces,” EPJ Applied Metamaterials
**4**, 2 (2017). - Yosuke Nakata, Yoshiro Urade, Kunio Okimura, Toshihiro Nakanishi, Fumiaki Miyamaru, Mitsuo Wada Takeda, and Masao Kitano, “Anisotropic Babinet-Invertible Metasurfaces to Realize Transmission-Reflection Switching for Orthogonal Polarizations of Light,” Physical Review Applied
**6**, 044022 (2016). [arXiv:1610.01707] (See also an introductory artcile in Physics Buzz by Kendra Redmond) - Yoshiro Urade, Yosuke Nakata, Toshihiro Nakanishi, and Masao Kitano, “Broadband and energy-concentrating terahertz coherent perfect absorber based on a self-complementary metasurface,” Optics Letters
**41**, 4472-4475 (2016). [arXiv:1609.07861] - Yosuke Nakata, Yoshiro Urade, Toshihiro Nakanishi, Fumiaki Miyamaru, Mitsuo Wada Takeda, and Masao Kitano, “Supersymmetric correspondence in spectra on a graph and its line graph: From circuit theory to spoof plasmons on metallic lattices,” Physical Review A
**93**, 043853 (2016). [arXiv:1605.00345] - Yoshiro Urade, Yosuke Nakata, Kunio Okimura, Toshihiro Nakanishi, Fumiaki Miyamaru, Mitsuo W. Takeda, and Masao Kitano, “Dynamically Babinet-invertible metasurface: a capacitive-inductive reconfigurable filter for terahertz waves using vanadium-dioxide metal-insulator transition,” Optics Express
**24**, 4405-4410 (2016). [arXiv:1602.07408] - Sho Kajiwara, Yoshiro Urade, Yosuke Nakata, Toshihiro Nakanishi, and Masao Kitano, “Observation of a nonradiative flat band for spoof surface plasmons in a metallic Lieb lattice,” Physical Review B
**93**, 075126 (2016). [arXiv:1602.04927] - Tsubasa Nishida, Yosuke Nakata, Fumiaki Miyamaru, Toshihiro Nakanishi, and Mitsuo W. Takeda, “Observation of Fano resonance using a coupled resonator metamaterial composed of meta-atoms arranged by double periodicity,” Applied Physics Express
**9**, 012201 (2016). [arXiv:1612.03552] - Yoshiro Urade, Yosuke Nakata, Toshihiro Nakanishi, and Masao Kitano, “Frequency-independent response of self-complementary checkerboard screens,” Physical Review Letters
**114**, 237401 (2015). [arXiv:1505.04874] - Yosuke Nakata, Yoshiro Urade, Toshihiro Nakanishi, and Masao Kitano, “Plane-wave scattering by self-complementary metasurfaces in terms of electromagnetic duality and Babinet’s principle,” Physical Review B
**88**, 205138 (2013). [arXiv:1311.3839] - Yosuke Nakata, Takanori Okada, Toshihiro Nakanishi, and Masao Kitano, “Circuit model for hybridization modes in metamaterials and its analogy to the quantum tight-binding model,” physica status solidi (b)
**249**, 2293-2302 (2012). - Yosuke Nakata, Takanori Okada, Toshihiro Nakanishi, and Masao Kitano, “Observation of flat band for terahertz spoof plasmon in a metallic kagomé lattice,” Physical Review B
**85**, 205128 (2012). [arXiv:1203.6138] - Takanori Okada, Kazufumi Ooi, Yosuke Nakata, Koji Fujita, Katsuhisa Tanaka, and Koichiro Tanaka, “Direct creation of a photoinduced metallic structure and its optical properties in the terahertz frequency region,” Optics Letters
**35**, 1719-1721 (2010).

## Presentation

### ・International Conference (Oral)

- Akihiro Okamoto, Yosuke Nakata, and Shuichi Murakami, “Topological phases of electromagnetic waves in superlattices of negative- and positive- epsilon materials,” APS March Meeting 2020, Denver, USA (Mar. 2, 2020). [Canceled by COVID-19 problem.]
- F. Miyamaru, C. Mizuo, K. Hasebe, T. Nakanishi, Y. Nakata, J. Madéo, and K. Dani, “Terahertz frequency change by rapidly switching propagation mode in waveguide structure,” OptoX-NANO 2019, Okayama, Japan, (Dec. 3, 2019). [invited]
- Yosuke Nakata, Yoshitaka Ito, Yasunobu Nakamura, and Ryuichi Shindou, “Topological emergence of Tamm state by Thouless pumping,” The 4th A3 Metamaterials Forum, Sapporo, Japan (Aug. 24, 2019). [invited]
- F. Miyamaru, C. Mizuo, K. Hasebe, T. Nakanishi, Y. Nakata, J. Madéo, and K. Dani, “Frequency shift of terahertz waves by changing waveguide modes in time domain,” The 4th A3 Metamaterials Forum, Sapporo, Japan (Aug. 22, 2019). [invited]
- Toshihiro Nakanishi, Yosuke Nakata, Yoshiro Urade, and Kunio Okimura, “Broadband Helicity Switching for Terahertz Waves Using Anisotropically Deformed Checkerboard Metasurface with Vanadium Dioxide,” Metamaterials 2019, Rome, Italy (Sep. 16, 2019).
- Yosuke Nakata, Yoshitaka Ito, Yasunobu Nakamura, and Ryuichi Shindou, “Tamm state generation by Thouless pumping,” NTTI 2019 and BEC 2019, Hiroshima, Japan (Jul. 18, 2019). [invited]
- Yosuke Nakata, Yoshitaka Ito, Yasunobu Nakamura, and Ryuichi Shindou, “Realization of Topological Tamm States by Thouless Pumping,” MORIS2019, Prague, Czech Republic (Jun. 24, 2019). [invited]
- Y. Nakata, S. Baba, R. Hisatomi, A. Gloppe, R. Shindou, Y. Nakamura, and K. Usami, “Heterodyne micro-focused Brillouin light scattering spectroscopy towards observation of topological modes in magnonic crystals,” International Symposium on Frontiers of Quantum Transport in Nano Science, Kashiwa, Chiba (Nov. 9, 2018). [invited]
- Fumiaki Miyamaru, Chihiro Mizuo, Yuichi Honma, Yosuke Nakata, Toshihiro Nakanishi, Keisuke Takano, Julien Modéo, and Keshav Dani, “Frequency Conversion by Using Temporal Boundary in Terahertz Region,” PIERS 2018, Toyama, Japan (Aug. 4 ,2018). [invited]
- Y. Urade, Y. Nakata, T. Nakanishi, and M. Kitano, “Novel Electromagnetic Absorption Characteristics of Metallic Checkerboard-Like Metasurfaces,” PIERS 2018, Toyama, Japan (Aug. 3, 2018). [invited]
- Fumiaki Miyamaru, Tsubasa Nishida, Kengo Kano, Hiroki Morita, Yohei Nishiyama, Yosuke Nakata, and Toshihiro Nakanishi, “Terahertz characteristics of coupled-resonator-based metasurfaces,” MTSA 2017, Okayama, Japan (Nov. 20, 2017).
- Yoshiro Urade, Yosuke Nakata, Toshihiro Nakanishi, and Masao Kitano, “Dynamic handedness switching in planar chiral checkerboard metasurfaces: Theory and numerical simulation,” Metamaterials 2016, Crete, Greece (Sep. 20, 2016).
- Yudai Taira, Yosuke Nakata, Fumiaki Miyamaru, and Mitsuo W. Takeda, “Terahertz Vortex Beam Generation Using Anisotropic Chiral Metasurfaces,” PIERS 2016, Shanghai, China (Aug. 9, 2016).
- Masao Kitano, Yoshiro Urade, Yosuke Nakata, Toshihiro Nakanishi, “Frequency-independent transmission characteristic of self-complementary checkerboard-like screens,” FTT-2015, Hamamatsu, Shizuoka, Japan (Sep. 1, 2015). [invited]
- Fumiaki Miyamaru, Kotaro Murai, Tetsuro Furuie, Tsubasa Nishida, Yosuke Nakata, Shinichiro Hayashi, Kouji Nawata, Hiroaki Minamide, Masahiko Tani, Mitsuo Takeda, “Magnification of sub-wavelength images to far-field images with hyperbolic metamaterials in terahertz region,” FTT-2015, Hamamatsu, Shizuoka, Japan (Aug. 31, 2015).
- Yosuke Nakata, Yoshiro Urade, Toshihiro Nakanishi, Fumiaki Miyamaru, Mitsuo Wada Takeda, Masao Kitano, “Frequency-independent electromagnetic-wave scattering by self-complementary checkerboard metasurfaces,” IMWS-AMP 2015, Suzhou, China (Jul. 2, 2015). [invited]
- Yoshiro Urade, Yosuke Nakata, Toshihiro Nakanishi, and Masao Kitano, “Photoinduced Structural Transition in a Checkerboard-like Metasurface,” Metamaterials’ 2013, Bordeaux, France (Sep. 19, 2013).
- Yosuke Nakata, Yoshiro Urade, Toshihiro Nakanishi, and Masao Kitano, “Electromagnetic Response of Self-complementary Metasurfaces,” PIERS 2013, Stockholm, Sweden (Aug. 13, 2013).

### ・International Conference (Poster)

- Hideaki Kitahara, Yosuke Nakata, Youhei Suzuki, Junichi Miyashita, Fumiaki Miyamaru, Mitsuo W. Takeda, “Propagation Property of Electromagnetic Waves in Coupled System of One-Dimensional Photonic Crystal,” CIMTEC 2020, Terme, Italy (June 20-23, 2020). [planning]
- Yoshiro Urade, Yosuke Nakata, Toshihiro Nakanishi, and Masao Kitano, “Checkerboard symmetry in metallic metasurfaces,” The 8th CEMS Topical Research Camp on ‘Symmetry and Topology’, Poster-17, Miura, Kanagawa (Oct. 5-6, 2018).
- Yosuke Nakata, Shotaro Baba, Ryusuke Hisatomi, Arnaud Gloppe, Yasunobu Nakamura, and Koji Usami, “Heterodyne Brillouin light scattering microscope toward phase-resolved spin-wave imaging of magnonic crystals,” Spin Cavitronics, Mainz, Germany (May 17, 2018).
- Arnaud Gloppe, Alto Osada, Ryusuke Hisatomi, Yosuke Nakata, Yasunobu Nakamura, and Koji Usami,”Spherical cavity optomagnonics beyond the Kittel mode,” Spin Cavitronics, Mainz, Germany (May 17, 2018).
- Y. Urade, Y. Nakata, K. Okimura, T. Nakanishi, F. Miyamaru, M. W. Takeda, and M. Kitano,”Dynamical control of terahertz waves by checkerboard-like metasurfaces with vanadium dioxide,” International Symposium on Photonics and Electronics Science and Engineering 2017, Kyoto, Japan (Mar. 10, 2017).
- Mitsuo W. Takeda, Akihiko Arikawa, Ryohei Araki, Yosuke Nakata, Fumiaki Miyamaru, and Toshihisa Yamaguchi, “Group-Velocity Anomaly Modes in Hybrid Bands of Photonic Crystals Made of Ferroelectrics,” CIMTEC 2016, Perugia, Italy (Jun. 9, 2016).
- Masashi Kusumoto, Yousuke Nakata, Fumiaki Miyamaru, Mitsuo W. Takeda, Wataru Sugimoto, “Terahertz response of RuO
_{2}nanosheets,” FTT-2015, Pos2.06, Hamamatsu, Shizuoka, Japan (Sep. 1, 2015). - Yoshiro Urade, Yosuke Nakata, Toshihiro Nakanishi, and Masao Kitano, “Coherent Absorption of Terahertz Pulses By A Checkerboard Metasurface,” IRMMW-THz 2015, WS-46, Hong Kong, China (Aug. 24, 2015).
- Fumiaki Miyamaru, Sakiko Suga, Yosuke Nakata, Mitsuo Wada Takeda, “Dependence of Terahertz Characteristics of Split Ring Resonators on Incident Direction,” ISPlasma2015, C4-P-43, Nagoya, Japan (Mar. 30, 2015).
- Masaki Gomi, Hiroki Morita, Tsubasa Nishida, Yosuke Nakata, Toshihiro Nakanishi, Fumiaki Miyamaru, Mitsuo W. Takeda, “Resonant Frequency Shift of Double-gap Split Ring Resonators in Terahertz Region,” ISPlasma2015, C4-P-47, Nagoya, Japan (Mar. 30, 2015).
- Yoshiro Urade, Yosuke Nakata, Toshihiro Nakanishi, and Masao Kitano, “Demonstrating broadband response of self-complementary metasurfaces with resonant structures,” International Symposium on Photonics and Electronics Science and Engineering 2015, Kyoto, Japan (Mar. 9 2015).
- Yoshiro Urade, Yosuke Nakata, Toshihiro Nakanishi, and Masao Kitano, “Experimental Study on Frequency-independent Response of Self-complementary Metasurfaces in Terahertz Regime,” Metamaterials’ 2014, Lyngby, Denmark (Aug. 25, 2014). [2nd prize for the Student Paper Competition for Mr. Urade]
- Sho Kajiwara, Yoshiro Urade, Yosuke Nakata, Toshihiro Nakanishi, and Masao Kitano, “Excitation of flat band for spoof surface plasmons in a metallic Lieb lattice by evanescent wave,” International Symposium on Frontier of Terahertz Science, Okinawa, Japan (Aug. 5, 2014). [The Best Student Poster Award for Mr. Kajiwara]
- Yoshiro Urade, Yosuke Nakata, Toshihiro Nakanishi, and Masao Kitano, “Self-complementary Metasurface Loaded with ELC resonators,” International Symposium on Frontier of Terahertz Science, Okinawa, Japan (Aug. 5, 2014). [The Best Presentation Award for Young Researchers for Mr. Urade]
- Yosuke Nakata, Yoshiro Urade, Toshihiro Nakanishi, and Masao Kitano, “Classification of self-dual metasurfaces,” The 3rd Korea-Japan Metamaterials Forum, Poster-17, Seoul, Korea (Jun. 27, 2013).
- Yoshiro Urade, Yosuke Nakata, Toshihiro Nakanishi, and Masao Kitano, “Metamaterial analogue of self-dual electrical circuit,” The 3rd Korea-Japan Metamaterials Forum, Poster-7, Seoul, Korea (Jun. 27, 2013).
- Yosuke Nakata, Takanori Okada, Toshihiro Nakanishi, and Masao Kitano, “Flat band formation in a metallic kagomé lattice,” Global COE 6th International Symposium on Photonics and Electronics Science and Engineering, P-18, Kyoto, Japan (Mar. 11, 2013).
- Yosuke Nakata, Takanori Okada, Toshihiro Nakanishi, and Masao Kitano, “Demonstration of flat band for terahertz coupled plasmon in metamaterials with kagomé symmetry,” Metamaterials’ 2012, Poster No. 22, St. Petersburg, Russia (Sep. 20, 2012).
- Yosuke Nakata, Takanori Okada, Toshihiro Nakanishi, and Masao Kitano, “Experimental demonstration of flat band for terahertz spoof plasmon with kagomé symmetry,” The 2nd Korea-Japan Metamaterials Forum, P20, Tsukuba, Japan (Jun. 29, 2012).
- Yosuke Nakata, Takanori Okada, Toshihiro Nakanishi, and Masao Kitano, “Comprehensive circuit-theoretical method for analyzing hybridization modes in metamaterials,” META’12, I-13, Paris, France (Apr. 19-22, 2012).
- Yosuke Nakata, Takanori Okada, Toshihiro Nakanishi, and Masao Kitano, “Quantum-mechanical analogy for metamaterials with circuit models and its application,” Global COE 5th International Symposium on Photonics and Electronics Science and Engineering, P-38, Kyoto, Japan (Mar. 9, 2012).
- Yosuke Nakata, Takanori Okada, Toshihiro Nakanishi, and Masao Kitano, “A circuit-theoretical method for analyzing coupled modes in metamaterials,” The 1st Korea-Japan Metamaterials Forum, Poster-15, Seoul, Korea (Jul. 8, 2011).