Y. Cao, X. Shi, T. Oshikiri, S. Zu, Y. Sunaba, K. Sasaki, and H. Misawa Near-field engineering for boosting the photoelectrochemical activity to a modal strong coupling structure Chemical Communications 57, 524-527 (2021)
T. Wada, H. Fujiwara, K. Sasaki, H. Ishihara Proposed method for highly selective resonant optical manipulation using counter-propagating light waves Nanophotonics 9, 3335-3345 (2020)
A. Taguchi, A. Nakayama, R. Oketani, S. Kawata, K. Fujita Multiphoton-Excited Deep-Ultraviolet Photolithography for 3D Nanofabrication ACS Applied Nano Materials 3, 11434-11441 (2020)
T. Arikawa, T. Hiraoka, S. Morimoto, F. Blanchard, S. Tani, T. Tanaka, K. Sakai, H. Kitajima, K. Sasaki, K. Tanaka Transfer of orbital angular momentum of light to plasmonic excitations in metamaterials Science Advances, 6, aay1977 (2020)
A-C. Cheng, H. Niinomi, T. Omatsu, S. Ishida, K. Sasaki, T. Sugiyama Plasmonic Manipulation-Controlled Chiral Crystallization of Sodium Chlorate Journal of Physical Chemistry Letters 11, 4422–4426 (2020)
C. Pin, R. Otsuka, K. Sasaki Optical transport and sorting of fluorescent nanodiamonds inside a tapered glass capilary: optical sorting of nanomaterials at the femtonewton scale ACS Applied Nano Materials, 3, 4127–4134 (2020)
H. Fujiwara, T. Suzuki, C. Pin, K. Sasaki Localized ZnO Growth on a Gold Nanoantenna by Plasmon-Assisted Hydrothermal Synthesis Nano Letters 20, 389–394 (2020)
2019
K. Setoura, T. Tsuji, S. Ito, S. Kawano, H. Miyasaka Opto-thermophoretic separation and trapping of plasmonic nanoparticles Nanoscale 11, 21093 (2019)
2018
K. Sakai, T. Yamamoto, K. Sasaki Nanofocusing of structured light for quadrupolar light-matter interaction Scientific Reports, 8, 7746 (2018)
H. Fujiwara, H. Kaiju, J. Nishii, K. Sasaki Magnetic response of random lasing modes in a ZnO nanoparticle film deposited on a NiFe thin film Applied Physics Letters, 113, 131108 (2018)
H. Fujiwara, K. Sasaki Amplified spontaneous emission from a surface-modified GaN film fabricated under pulsedintense UV laser irradiation Applied Physics Letters, 113, 171606 (2018)
X. SHI, K. Ueno, T. Oshikiri, Q. Sun, K. Sasaki and H. Misawa Enhanced water splitting under modal strong coupling conditions Nature Nanotechnology, 13, 953-958 (2018)
C. Pin, S. Ishida, G. Takahashi, K. Sudo, T. Fukaminato, K. Sasaki Trapping and Deposition of Dye–Molecule Nanoparticles in the Nanogap of a Plasmonic Antenna ACS Omega, 3, 4878-4883 (2018)
H. Fujiwara, R. Niyuki and K. Sasaki White light induced photo-thermal switching in a graphene-flake-mixed ZnO nanoparticle random laser J. of Phys. Commun., 2(3): 35022 (2018)
2017
酒井 恭輔、笹木 敬司 多重極子プラズモン場の光渦による励振 光学、46(3) (2017)
2016
H. Fujiwara, T. Suzuki, R. Niyuki and K. Sasaki ZnO nanorod array random lasers fabricated by a laser-induced hydrothermal growth New J. Phys., 8: 103046 (2016)
K. Sakai, K. Nomura, T. Yamamoto, T. Omura and K. Sasaki Quadrupole lattice resonances in plasmonic crystal excited by cylindrical vector beams Sci. Rep., 6: 34967 (2016)
H. Takata, H. Naiki, L. Wang, H. Fujiwara, K. Sasaki, N. Tamai and S. Masuo Detailed Observation of Multiphoton Emission Enhancement from a Single Colloidal Quantum Dot Using a Silver-Coated AFM Tip Nano Lett., 16(9): 5770-5778 (2016)
R. Niyuki, H. Fujiwara, Y. Ishikawa, N. Koshizaki, T. Tsuji, K. Sasaki Toward single-mode random lasing within a submicrometre-sized spherical ZnO particle film Journal of Optics 18, 035202/1-6 (2016)
2015
Y. Tanaka, M. Komatsu, H. Fujiwara, and K. Sasaki Nanoscale color sorting of surface plasmons in a double-nanogap structure with multipolar plasmon excitation Nano Lett. 15, 7086 (2015)
R. Fang, H. Takashima, Y. Tanaka, H. Fujiwara, and K. Sasaki Two-photon excited fluorescencefrom a pseudosocyanine-attached gold tip via a plasmonic-photonic hybrid system Opt. Express 23,21730-21740 (2015)
K. Sakai, K. Nomura, T. Yamamoto and K. Sasaki Excitation of multipole plasmons by optical vortex beams Sci. Rep., 5 : 8431/1-8431/5 (2015)
2014
Yuki Nagao, Hideki Fujiwara, and Keiji Sasaki Analysis of Trap-State Dynamics of Single CdSe/ZnS Quantum Dots on a TiO2 Substrate with Different Nb Concentrations J. Phys. Chem. C 118 (35), 20571-20575 (2014)
Yoshiaki Nishijima, Jacob B. Khurgin, Lorenzo Rosa, Hideki Fujiwara, and Saulius Juodkazis Tunable Raman selectivity via randomization of a rectangular pattern of nano-disks ACS Photonics 1 (10), 1006-1012 (2014)
Toshihiro Nakamura, Hideki Fujiwara, Ryo Niyuki, Keiji Sasaki, Yoshie Ishikawa, Naoto Koshizaki, Takeshi Tsuji and Sadao Adachi Origins of lasing emission in resonance-controlled ZnO random laser New J. Phys. 16, 093054 (2014)
Ryo Niyuki, Hideaki Takashima, Hideki Fujiwara, and Keiji Sasaki Ultraviolet random lasing from a diamond nanoparticle film Appl. Phys. Lett.,105, 011112/1-3 (2014)
H. Kawagoe, S. Ishida, M. Aramaki, Y. Sakakibara, E. Omoda, H. Kataura and N. Nishizwa Development of a high power supercontinuum source in the 1.7 µm wavelength region for highly penetrative ultrahigh-resolution optical co-herence tomography Biomedical Optics Express, 5(3) : 632-643 (2014)
H. Takashima, K. Kitajima, Y. Tanaka, H. Fu-jiwara and K. Sasaki Efficient optical coupling into a single plasmonic nanostructure using a fiber-coupled microspherical cavity Phys. Rev. A, 89(2) : 021801/1-02180/5 (2014)
2013
H. Fujiwara, R. Niyuki, Y. Ishikawa, N. Koshizaki, T. Tsuji and K. Sasaki Low-threshold and quasi-single-mode random laser within a submicrometer-sized ZnO spherical particle film Appl. Phys. Lett. 102 061110-1 - 061110-4 (2013)
T. Chiba, J. Qi, H.Fujiwara and K. Sasaki Analysis of Trap State Dynamics of Single CdSe/ZnS Quantum Dots on an Indium Tin Oxide Thin Film with Applying External Electric Field J. Phys. Chem. C 117(6) 2507-2510 (2013)
Y. Tanaka, S. Kaneda, and K. Sasaki Nanostructured Potential of Optical Trapping Using a Plasmonic Nanoblock Pair Nano Lett. 2146-2150(2013)
Y. Nishijima, J. B. Khurgin, L. Rosa, H. Fujiwara, and S. Juodkazis Randomization of gold nano-brick arrays Optics Express 21(11) 13502-13514(2013)
Y. Higashi, T. Tsuji, M. Tsuji, H. Fujiwara, N. Koshizaki and Y. Ishikawa Fabrication of Spherical-Shaped Submicron Particles of ZnO Using Laser-induced Melting of Submicron-sized Source Materials Journal of Laser Micro/Nanoengineering : 8(3)292-295 (2013)
K. Sakai, K. Nomura, Y. Tanaka, and K. Sasaki Near-field optical response of periodically arrayed plasmonic nanogap antennas J. Appl. Phys. 114 024306-1-024306-4 (2013)
M. Okano, R. Okamoto, A. Tanaka, S. Ishida, N. Nishizwa and S. Takeuchi Dispersion cancellation in high-resolution two-photon interference Phys. Rev. A, 88 : 043845/1-043845/5 (2013)
R. Fang, H. Takashima, Y. Tanaka, H. Fujiwara and K. Sasaki Two-photon excited fluorescence from a pseudoisocyanine-attached gold-coated tip via a thin tapered fiber under a weak CW excitation Opt. Exp., 21(23) : 27759-27769 (2013)
2012
T. Chiba, H. Fujiwara, J. Hotta, S. Takeuchi, K. Sasaki Experimental evaluation of diffusion constant in a thin polymer film by triplet lifetime analysis of single molecules J. Photochem. Photobiol. A 238: 24-28 (2012)
N. Shimamoto, Y. Tanaka, H. Mitomo, R. Kawamura, K. Ijiro, K. Sasaki and Y. Osada Nanopattern Fabrication of Gold on Hydrogels and Application to Tunable Photonic Crystal Adv. Mater. 24(38) 5243-5248 (2012)
Y. Tanaka, S. Akio and K. Sasaki Nanoscale interference patterns of gap-mode multipolar plasmonic fields Sci. Rep 2 764/1-764/5 (2012)
2011
Y. Tanaka and K. Sasaki Optical trapping through the localized surface plasmon resonance of engineered gold nanoblock pairs Opt.Exp. 19(18) : 17462-17468 (2011)
H. Fujiwara, H. Ota, T. Chiba and K. Sasaki Temporal response analysis of trap states of single CdSe/ZnS quantum dots on a thin metal substrate J. Photochem. Photobiol. A 221(2-3) : 160-163 (2011)
Y. Miyamoto, D. Kawase, M. Takeda, K. Sasaki and S. Takeuchi Detection of superposition in orbital angular momentum of photons without excess components and its application to verification of non-classical correlation J. Opt. 13 (6): 064027/1-064027/6 (2011)
Y. Tanaka, H. Ishiguro, H. Fujiwara, Y. Yokota, K. Ueno, H. Misawa, and K.Sasaki Direct imaging of nanogap-mode plasmon-resonant fields Opt. Exp. 19 (8): 7726-7733 (2011)
H. Fujiwara, Y. Kawabe, R.Okamoto, S. Takeuchi and K. Sasaki Quantum lithography under imperfect conditions: effects of loss and dephasing on two-photon interference fringes J.Opt.Soc.Am.B 28 (3): 422-431 (2011)
S. Kadri, H. Fujiwara, and K. Sasaki Fano-like resonance in an optically driven atomic force microscope cantilever Opt. Exp. 19 (3): 2317-2324 (2011)
2010
H. Fujiwara, T. Ikeda, and K. Sasaki Numerical Analysis of Random Lasing Properties of a Waveguide Defect within a Random Structure Jpn. J. Appl. Phys. 49: 112002/1-112002/6 (2010)
H. Takashima, T. Asai, K. Toubaru, M. Fujiwara, K. Sasaki and S. Takeuchi Fiber-microsphere system at cryogenic temperatures toward cavity QED using diamond NV center Opt. Exp. 18 (14): 15169-15173 (2010)
H. Oka, H. Fujiwara, S. Takeuchi, and K. Sasaki Nonlinear optical phase shift obtained from two-level atoms confined in a planar microcavity J. Appl. Phys. 107 (5): 054310/1-054310/6 (2010)
Y. Tanaka and K. Sasaki Selection and transfer of individual plasmon-resonant metal nanoparticles Appl. Phys. Lett. 96 (5): 053117/1-053117/3 (2010)
2009
H. Fujiwara, Y.Tanaka, H. Ishiguro, A. Saito, and K. Sasaki Direct observation of localized fields in nanogaps between metal particles using a scattering-type near-field microscope Appl. Phys. Exp. 2 (10): 102002/1-102002/3 (2009)
Y. Tanaka, H. Yoshikawa, T. Itoh, and M. Ishikawa Laser-induced self-assembly of silver nanoparticles via plasmonic interactions Opt. Exp. 17 (21):18760-18767 (2009)
H. Fujiwara, Y. Hamabata and K. Sasaki Numerical analysis of resonant properties of a waveguide structure within a random medium Opt. Exp. 17(13) : 10522-10528 (2009)
Y. Tanaka and H. Yoshikawa Surface enhanced raman scattering from pseudoisocyanine on Ag nanoaggregates produced by optical trapping with a linearly polarized laser beam J. Phys. Chem. C 113(27) :11856-11860 (2009)
T. Chiba, H. Fujiwara, J. Hotta, S. Takeuchi and K. Sasaki Dynamical analysis of triplet lifetime of single molecules by a photon interdetection time analysis method J. Phys. Chem. C 113(27) : 11652-11656 (2009)
D. Kawase, Y. Miyamoto, M. Takeda, K. Sasaki and S. Takeuchi Effect of high-dimensional entanglement of Laguerre-Gaussian modes in parametric down conversion J. Opt. Soc. Am. B 26(4) : 797-804 (2009)
H. Fujiwara, Y. Hamabata and K. Sasaki Numerical analysis of resonant and lasing properties at a defect region within a random structure Opt. Exp. 17(5) : 3970-3977 (2009)
Y. Nishijima, K. Ueno, S. Juodkazis, V. Mizeikis, H. Fujiwara, K. Sasaki and H. Misawa Lasing with well-defined cavity modes in dye-infiltrated silica inverse opals Opt. Exp. 7(4) : 2976-2983 (2009)
R. Okamoto, J. L. O'Brien, H. F. Hofmann, T. Nagata, K. Sasaki and S. Takeuchi An entanglement filter Science 323 : 483-485 (2009)
M. Tanaka, H. Sato, Y. Sasaya, S. Horinouchi, J. Hotta, Y. Matsuo, K. Ijiro, K. Sasaki, M. Shimomura Fabrication of novel biocompatible surfaces by two-photon absorption technique using femtosecond laser Mol. Crys. Liq. Crys. 505 : 219/457- 230/468 (2009)