Publications

ResearcherID : C-5956-2008 (TY, h-index: 23) , AAZ-8749-2021 (RK, h-index: 6)
Google Scholar : TY (h-index: 32), RK (h-index: 7)

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2021

Synthesis of silver nanostructure on gold nanoparticle using near field assisted second harmonic generation

Takashi Yatsui, Felix Brandenburg, Benjamin Leuschel, Olivier Soppera

Synthesis of silver nanostructure on gold nanoparticle using near field assisted second harmonic generation Journal Article

In: Scientific Reports, 11 , pp. 5642, 2021.

Abstract | Links | BibTeX | Tags: First, Nanophotonic fabrication, Near-field effect, SHG

2019

Takashi Yatsui

Recent improvement of silicon absorption in opto-electric devices Journal Article

In: Opto-Electronic Advances, 2 (10), pp. 190023, 2019, (review article, selected as cover story).

Abstract | Links | BibTeX | Tags: Direct wave-vector excitation, First, First principle calculation, Indirect band gap, Near-field effect, Plasmon, Review, Si

Enhanced photo-sensitivity in a Si photodetector using a near-field assisted excitation

Takashi Yatsui, Syunsuke Okada, Tatsuya Takemori, Takumi Sato, Kota Saichi, Tatsuro Ogamoto, Shohei Chiashi, Shigeo Maruyama, Masashi Noda, Kazuhiro Yabana, Kenji Iida, Katsuyuki Nobusada

Enhanced photo-sensitivity in a Si photodetector using a near-field assisted excitation Journal Article

In: Communications Physics, 2 , pp. 62, 2019.

Abstract | Links | BibTeX | Tags: Direct wave-vector excitation, First, Selected, Si photodetector

Takashi Yatsui, Yusuke Nakahira, Yuki Nakamura, Tatsuki Morimoto, Yuma Kato, Muneaki Yamamoto, Tomoko Yoshida, Kenji Iida, Katsuyuki Nobusada

Realization of red shift of absorption spectra using optical near-field effect Journal Article

In: Nanotechnology, 30 (34), pp. 34LT02, 2019.

Abstract | Links | BibTeX | Tags: CO2 reduction, First, Near-field effect

2017

Effects of a power and photon energy of incident light on near-field etching properties

Takashi Yatsui, Hiroshi Saito, Katsuhiro Nishioka, Benjamin Leuschel, Olivier Soppera, Katsuyuki Nobusada

Effects of a power and photon energy of incident light on near-field etching properties Journal Article

In: Applied Physics A, 123 (12), pp. 751, 2017.

Abstract | Links | BibTeX | Tags: First, Nanophotonic fabrication, Near-field etching

Angstrom-scale flatness using selective nanoscale etching

Takashi Yatsui, Hiroshi Saito, Katsuyuki Nobusada

Angstrom-scale flatness using selective nanoscale etching Journal Article

In: Beilstein Journal of Nanotechnology, 123 , pp. 751, 2017.

Abstract | Links | BibTeX | Tags: First, Nanophotonic fabrication, Near-field etching, Wet etching

Nano-scale chemical reactions based on non-uniform optical near-fields and their applications

Takashi Yatsui, Maiku Yamaguchi, Katsuyuki Nobusada

Nano-scale chemical reactions based on non-uniform optical near-fields and their applications Journal Article

In: Progress in Quantum Electronics, 55 , pp. 166 - 194, 2017, ISSN: 0079-6727, (review article).

Abstract | Links | BibTeX | Tags: Artificial photosynthesis, First, Near-field etching, Non-uniform optical near field, Photodissociation path with two-step excitation, Review, Selected, SHG

2016

Optically controlled magnetic-field etching on the nano-scale

Takashi Yatsui, Toshiki Tsuboi, Maiku Yamaguchi, Katsuyuki Nobusada, Satoshi Tojo, Fabrice Stehlin, Olivier Soppera, Daniel Bloch

Optically controlled magnetic-field etching on the nano-scale Journal Article

In: Light: Science & Applications, 5 , pp. e16054, 2016.

Abstract | Links | BibTeX | Tags: First, Nanophotonic fabrication, Near-field etching, Selected

Takashi Yatsui, Kazunori Kuribara, Tsuyoshi Sekitani, Takao Someya, Mamoru Yoshimoto

Temperature-modulated annealing of c-plane sapphire for long-range-ordered atomic steps Journal Article

In: Journal of Physics D: Applied Physics, 49 (11), pp. 115302, 2016.

Abstract | Links | BibTeX | Tags: chocolate, First, sapphire, tempering

2015

Realization of Ultraflat Plastic Film Using Dressed-Photon-Phonon-Assisted Selective Etching of Nanoscale Structures

Takashi Yatsui, Wataru Nomura, Motoichi Ohtsu

Realization of Ultraflat Plastic Film Using Dressed-Photon-Phonon-Assisted Selective Etching of Nanoscale Structures Journal Article

In: Advances in Optical Technologies, 2015 , pp. 701802, 2015.

Abstract | Links | BibTeX | Tags: First, Nanophotonic fabrication, Near-field etching

2014

Controlling the optical and structural properties of ZnS-AgInS2 nanocrystals using photo-induced process

Takashi Yatsui, Fumihiro Morigaki, Tadashi Kawazoe

Controlling the optical and structural properties of ZnS-AgInS2 nanocrystals using photo-induced process Journal Article

In: Beilstein Journal of Nanotechnology, 5 , pp. 1767-1773, 2014.

Abstract | Links | BibTeX | Tags: First, Nanophotonic fabrication, ZAIS

Polarization-controlled dressed-photon–phonon etching of patterned diamond structures

Takashi Yatsui, Daisuke Takeuchi, Satoshi Koizumi, Kazuki Sato, Kohei Tsuzuki, Takayuki Iwasaki, Mutsuko Hatano, Toshiharu Makino, Masahiko Ogura, Hiromitsu Kato, Hideyo Okushi, Satoshi Yamasaki

Polarization-controlled dressed-photon–phonon etching of patterned diamond structures Journal Article

In: physica status solidi (a), 211 (10), pp. 2339-2342, 2014.

Abstract | Links | BibTeX | Tags: Diamond, First, Nanophotonic fabrication, Near-field etching

Emission from a dipole-forbidden energy state in a GaAs quantum-ring induced by dressed photon

Takashi Yatsui, Wataru Nomura, Takaaki Mano, Hideki Miyazaki, Kazuaki Sakoda, Tadashi Kawazoe, Motoichi Ohtsu

Emission from a dipole-forbidden energy state in a GaAs quantum-ring induced by dressed photon Journal Article

In: Applied Physics A, 115 (1), pp. 1-4, 2014.

Abstract | Links | BibTeX | Tags: First, GaAs, Non-uniform optical near field, Quantum-ring

Dressed-photon–phonon (DPP)-assisted visible- and infrared-light water splitting

Takashi Yatsui, Tsubasa Imoto, Takahiro Mochizuki, Kokoro Kitamura, Tadashi Kawazoe

Dressed-photon–phonon (DPP)-assisted visible- and infrared-light water splitting Journal Article

In: Scientific Reports, 4 , pp. 4561, 2014.

Abstract | Links | BibTeX | Tags: First, Non-uniform optical near field, Water splitting, ZnO

2013

Challenge in realizing ultraflat material surfaces

Takashi Yatsui, Wataru Nomura, Fabrice Stehlin, Olivier Soppera, Makoto Naruse, Motoichi Ohtsu

Challenge in realizing ultraflat material surfaces Journal Article

In: Beilstein Journal of Nanotechnology, 4 , pp. 875-885, 2013, (review article).

Abstract | Links | BibTeX | Tags: First, Nanophotonic fabrication, Near-field etching, Review, Selected

Phonon-assisted near-field activation of electron transfer

Takashi Yatsui, Kazaunori Iijima, Tsubasa Imoto, Kokoro Kitamura, Tadashi Kawazoe

Phonon-assisted near-field activation of electron transfer Journal Article

In: Journal of Nanophotonics, 7 (1), pp. 1 – 8, 2013.

Abstract | Links | BibTeX | Tags: Absorption, Electrodes, First, Nanostructuring, Non-uniform optical near field, Platinum, sapphire

2012

Takashi Yatsui, Wataru Nomura, Makoto Naruse, Motoichi Ohtsu

Realization of an atomically flat surface of diamond using dressed photon–phonon etching Journal Article

In: Journal of Physics D: Applied Physics, 45 (47), pp. 475302, 2012.

Abstract | Links | BibTeX | Tags: Diamond, First, Nanophotonic fabrication, Near-field etching

Superradiance from one-dimensionally aligned ZnO nanorod multiple-quantum-well structures

Takashi Yatsui, Akira Ishikawa, Kiyoshi Kobayashi, Akira Shojiguchi, Suguru Sangu, Tadashi Kawazoe, Motoichi Ohtsu, Jinkyoung Yoo, Gyu-Chul Yi

Superradiance from one-dimensionally aligned ZnO nanorod multiple-quantum-well structures Journal Article

In: Applied Physics Letters, 100 (23), pp. 233118, 2012.

Abstract | Links | BibTeX | Tags: First, nanorod, Superradiance, ZnO

Room-temperature growth of high-quality ZnO nanocrystals using a dressed-photon-assisted near-field process

Takashi Yatsui, Kosuke Nakanishi, Kokoro Kitamura, Motoichi Ohtsu

Room-temperature growth of high-quality ZnO nanocrystals using a dressed-photon-assisted near-field process Journal Article

In: Applied Physics B, 107 (3), pp. 637-641, 2012.

Abstract | Links | BibTeX | Tags: First, Near-field effect, ZnO

Emission from a dipole-forbidden energy state in a ZnO quantum dot induced by a near-field interaction with a fiber probe

Takashi Yatsui, Masahiro Tsuji, Yang Liu, Tadashi Kawazoe, Motoichi Ohtsu

Emission from a dipole-forbidden energy state in a ZnO quantum dot induced by a near-field interaction with a fiber probe Journal Article

In: Applied Physics Letters, 100 (22), pp. 223110, 2012.

Abstract | Links | BibTeX | Tags: First, Near-field effect, QD, ZnO

2011

Takashi Yatsui, Kazuya Hirata, Yoshinori Tabata, Yumiko Miyake, Yasuyuki Akita, Mamoru Yoshimoto, Wataru Nomura, Tadashi Kawazoe, Makoto Naruse, Motoichi Ohtsu

Self-organized near-field etching of the sidewalls of glass corrugations Journal Article

In: Applied Physics B, 103 (3), pp. 527-530, 2011.

Abstract | Links | BibTeX | Tags: First, Nanophotonic fabrication, Near-field etching

2010

Takashi Yatsui, Kazuya Hirata, Yoshinori Tabata, Wataru Nomura, Tadashi Kawazoe, Makoto Naruse, Motoichi Ohtsu

In situ real-time monitoring of changes in the surface roughness during nonadiabatic optical near-field etching Journal Article

In: Nanotechnology, 21 (35), pp. 355303, 2010.

Abstract | Links | BibTeX | Tags: First, Nanophotonic fabrication, Near-field etching

Self-assembly method of linearly aligning ZnO quantum dots for a nanophotonic signal transmission device

Takashi Yatsui, Yang Ryu, Tetsu Morishima, Wataru Nomura, Tadashi Kawazoe, Tetsu Yonezawa, Masao Washizu, Hiroyuki Fujita, Motoichi Ohtsu

Self-assembly method of linearly aligning ZnO quantum dots for a nanophotonic signal transmission device Journal Article

In: Applied Physics Letters, 96 (13), pp. 133106, 2010.

Abstract | Links | BibTeX | Tags: First, Nanophotonic device, QD, Self-assembly, ZnO

2009

Takashi Yatsui, Shunsuke Yamazaki, Keiichi Ito, Hiroshi Kawamura, Michinobu Mizumura, Tadashi Kawazoe, Motoichi Ohtsu

Increased spatial homogeneity in a light-emitting InGaN thin film using optical near-field desorption Journal Article

In: Applied Physics B, 97 (2), pp. 375-378, 2009.

Abstract | Links | BibTeX | Tags: First, GaN, Nanophotonic fabrication, Near-field effect, Self-assembly

Production of size-controlled Si nanocrystals using self-organized optical near-field chemical etching

Takashi Yatsui, Motoichi Ohtsu

Production of size-controlled Si nanocrystals using self-organized optical near-field chemical etching Journal Article

In: Applied Physics Letters, 95 (4), pp. 043104, 2009.

Abstract | Links | BibTeX | Tags: First, Nanophotonic fabrication, Near-field effect, Self-assembly, Si

Nanophotonic energy up conversion using ZnO nanorod double-quantum-well structures

Takashi Yatsui, Suguru Sangu, Kiyoshi Kobayashi, Tadashi Kawazoe, Motoichi Ohtsu, Jinkyoung Yoo, Gyu-Chul Yi

Nanophotonic energy up conversion using ZnO nanorod double-quantum-well structures Journal Article

In: Applied Physics Letters, 94 (8), pp. 083113, 2009.

Abstract | Links | BibTeX | Tags: First, nanorod, Non-uniform optical near field, ZnO

2008

Takashi Yatsui, Kazuya Hirata, Wataru Nomura, Yoshinori Tabata, Motoichi Ohtsu

Realization of an ultra-flat silica surface with angstrom-scale average roughness using nonadiabatic optical near-field etching Journal Article

In: Applied Physics B, 93 (1), pp. 55-57, 2008.

Abstract | Links | BibTeX | Tags: First, Nanophotonic fabrication, Near-field etching, Selected

Takashi Yatsui, Hyung Su Jeong, Motoichi Ohtsu

Controlling the energy transfer between near-field optically coupled ZnO quantum dots Journal Article

In: Applied Physics B, 93 (1), pp. 199-202, 2008.

Abstract | Links | BibTeX | Tags: Electrodes, First, QD, ZnO

2007

Takashi Yatsui, Tadashi Kawazoe, Kiyoshi Kobayashi, Motoichi Ohtsu

Near-field components and evaluation of photoluminescence in silicon nanostructures Journal Article

In: Journal of Nanophotonics, 1 (1), pp. 011570, 2007.

Abstract | Links | BibTeX | Tags: First, Non-uniform optical near field, Si, silicon

Takashi Yatsui, Wataru Nomura, Motoichi Ohtsu

Metallized slit-shaped pyramidal Si probe with extremely high resolution for 1.5-Tbit/in2 density near-field optical storage Journal Article

In: Journal of Nanophotonics, 1 (1), pp. 011550, 2007.

Abstract | Links | BibTeX | Tags: First, near-field optical recording, Optical storage, Si

Takashi Yatsui, Jungshik Lim, Tooru Nakamata, Kokoro Kitamura, Motoichi Ohtsu, Gyu-Chul Yi

Low-temperature (~270 oC) growth of vertically aligned ZnO nanorods using photoinduced metal organic vapour phase epitaxy Journal Article

In: Nanotechnology, 18 (6), pp. 065606, 2007.

Abstract | Links | BibTeX | Tags: First, nanorod, Near-field effect, ZnO

Nanophotonic switch using ZnO nanorod double-quantum-well structures

Takashi Yatsui, Suguru Sangu, Tadashi Kawazoe, Motoichi Ohtsu, Sung Jin An, Jinkyoung Yoo, Gyu-Chul Yi

Nanophotonic switch using ZnO nanorod double-quantum-well structures Journal Article

In: Applied Physics Letters, 90 (22), pp. 223110, 2007.

Abstract | Links | BibTeX | Tags: First, Nanophotonic device, Selected, ZnO

2006

Takashi Yatsui, Motoichi Ohtsu, Sung Jin An, Jinkyoung Yoo, Gyu-Chul Yi

Evaluating the quantum confinement effect of isolated ZnO nanorod single-quantum-well structures using near-field ultraviolet photoluminescence spectroscopy Journal Article

In: Optical Review, 13 (4), pp. 218-221, 2006.

Abstract | Links | BibTeX | Tags: First, nanorod, Near-field spectroscopy, ZnO

Takashi Yatsui, Yuuki Nakajima, Wataru Nomura, Motoichi Ohtsu

High-resolution capability of optical near-field imprint lithography Journal Article

In: Applied Physics B, 84 (1-2), pp. 265-267, 2006.

Abstract | Links | BibTeX | Tags: First, Imprint, Nanophotonic fabrication, Near-field effect

2005

Self-Assembly of Size- and Position-Controlled Ultralong Nanodot Chains using Near-Field Optical Desorption

Takashi Yatsui, Wataru Nomura, Motoichi Ohtsu

Self-Assembly of Size- and Position-Controlled Ultralong Nanodot Chains using Near-Field Optical Desorption Journal Article

In: Nano Letters, 5 (12), pp. 2548-2551, 2005, (PMID: 16351213).

Abstract | Links | BibTeX | Tags: First, Nanophotonic fabrication, Plasmon, Selected, Self-assembly

Takashi Yatsui, Wataru Nomura, Motoichi Ohtsu

Size-, Position-, and Separation-Controlled One-Dimensional Alignment of Nanoparticles Using an Optical Near Field Journal Article

In: IEICE TRANSACTIONS on Electronics, E88-C (9), pp. 1798-1802, 2005.

Abstract | Links | BibTeX | Tags: First, Nanophotonic fabrication, Self-assembly

Near-field measurement of spectral anisotropy and optical absorption of isolated ZnO nanorod single-quantum-well structures

Takashi Yatsui, Motoichi Ohtsu, Jinkyoung Yoo, Sung Jin An, Gyu-Chul Yi

Near-field measurement of spectral anisotropy and optical absorption of isolated ZnO nanorod single-quantum-well structures Journal Article

In: Applied Physics Letters, 87 (3), pp. 033101, 2005.

Abstract | Links | BibTeX | Tags: First, Near-field spectroscopy, QW, ZnO

2004

Takashi Yatsui, Jungshik Lim, Motoichi Ohtsu, Sung Jin An, Gyu-Chul Yi

Evaluation of the discrete energy levels of individual ZnO nanorodsingle-quantum-well structures using near-field ultraviolet photoluminescence spectroscopy Journal Article

In: Applied Physics Letters, 85 (5), pp. 727-729, 2004.

Abstract | Links | BibTeX | Tags: First, nanorod, Near-field spectroscopy, QW, ZnO

2003

Takashi Yatsui, Akira Takubo, Jungshik Lim, Wataru Nomura, Motonobu Kourogi, Motoichi Ohtsu

Regulating the size and position of deposited Zn nanoparticles by optical near-field desorption using size-dependent resonance Journal Article

In: Applied Physics Letters, 83 (9), pp. 1716-1718, 2003.

Abstract | Links | BibTeX | Tags: First, Self-assembly, Size-dependent resonance

2002

Takashi Yatsui, Tadashi Kawazoe, Minoru Ueda, Yoh Yamamoto, Motonobu Kourogi, Motoichi Ohtsu

Fabrication of nanometric single zinc and zinc oxide dots by the selective photodissociation of adsorption-phase diethylzinc using a nonresonant optical near field Journal Article

In: Applied Physics Letters, 81 (19), pp. 3651-3653, 2002.

Abstract | Links | BibTeX | Tags: First, Near-field effect

Takashi Yatsui, Kazutaka Itsumi, Motonobu Kourogi, Motoichi Ohtsu

Metallized pyramidal silicon probe with extremely high throughput and resolution capability for optical near-field technology Journal Article

In: Applied Physics Letters, 80 (13), pp. 2257-2259, 2002.

Abstract | Links | BibTeX | Tags: First, near-field optical recording, Plasmon

Takashi Yatsui, Tadashi Kawazoe, Takashi Shimizu, Yoh Yamamoto, Minoru Ueda, Motonobu Kourogi, Motoichi Ohtsu, Geun-Hyoung Lee

Observation of size-dependent features in the photoluminescence of zinc oxide nanocrystallites by near-field ultraviolet spectroscopy Journal Article

In: Applied Physics Letters, 80 (8), pp. 1444-1446, 2002.

Abstract | Links | BibTeX | Tags: First, Near-field spectroscopy, ZnO

2001

Takashi Yatsui, Motonobu Kourogi, Motoichi Ohtsu

Plasmon waveguide for optical far/near-field conversion Journal Article

In: Applied Physics Letters, 79 (27), pp. 4583-4585, 2001.

Abstract | Links | BibTeX | Tags: First, Plasmon, Selected

Takashi Yatsui, Takashi Shimizu, Yoh Yamamoto, Motonobu Kourogi, Motoichi Ohtsu, Geun-Hyoung Lee

Near-field ultraviolet photoluminescence spectroscopy for evaluating the crystallinity of polycrystalline zinc oxide Journal Article

In: Applied Physics Letters, 79 (15), pp. 2369-2371, 2001.

Abstract | Links | BibTeX | Tags: First, Near-field spectroscopy, ZnO

2000

Takashi Yatsui, Motonobu Kourogi, Kazuo Tsutsui, Motoichi Ohtsu, Jun-ichi Takahashi

High-density-speed optical near-field recording--reading with a pyramidal silicon probe on a contact slider Journal Article

In: Optics Letters, 25 (17), pp. 1279-1281, 2000.

Abstract | Links | BibTeX | Tags: First, near-field optical recording, Plasmon

1998

Takashi Yatsui, Motonobu Kourogi, Motoichi Ohtsu

Increasing throughput of a near-field optical fiber probe over 1000 times by the use of a triple-tapered structure Journal Article

In: Applied Physics Letters, 73 (15), pp. 2090-2092, 1998.

Abstract | Links | BibTeX | Tags: First, Plasmon, Selected

1997

Takashi Yatsui, Motonobu Kourogi, Motoichi Ohtsu

Highly efficient excitation of optical near-field on an apertured fiber probe with an asymmetric structure Journal Article

In: Applied Physics Letters, 71 (13), pp. 1756-1758, 1997.

Abstract | Links | BibTeX | Tags: First, Plasmon