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Research Output 1990 2019

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Conference article
2011
3 Citations (Scopus)

Multimode interference waveguide switch of electro-optic polymer with tapered access waveguides

Yu, F., Yamamoto, K., Piao, X. & Yokoyama, S., Jan 1 2011, In : Physics Procedia. 14, p. 25-28 4 p.

Research output: Contribution to journalConference article

electro-optics
switches
waveguides
interference
polymers
2009

Reflective planar microcavity with enhanced electro-optic activity of a poled polymer

Inoeu, A., Inoue, S. & Yokoyama, S., Dec 1 2009, In : Proceedings of SPIE - The International Society for Optical Engineering. 7631, 763129.

Research output: Contribution to journalConference article

Microcavity
Electro-optics
Microcavities
Electrooptical effects
electro-optics
2006
6 Citations (Scopus)

Control of multiphoton process within diffraction limit space in polymer microstructures

Nakahama, T., Yokoyama, S., Miki, H. & Mashiko, S., Mar 21 2006, In : Thin Solid Films. 499, 1-2, p. 406-409 4 p.

Research output: Contribution to journalConference article

Multiphoton processes
Optical recording
Polymers
Photons
Diffraction
20 Citations (Scopus)

Control of photonic bandgaps in chiral liquid crystals for distributed feedback effect

Furumi, S., Yokoyama, S., Otomo, A. & Mashiko, S., Mar 21 2006, In : Thin Solid Films. 499, 1-2, p. 322-328 7 p.

Research output: Contribution to journalConference article

Liquid Crystals
Liquid crystals
Photonics
Energy gap
liquid crystals
14 Citations (Scopus)

Control of single supramolecular chain of porphyrin on a copper surface

Kamikado, T., Sekiguchi, T., Yokoyama, S., Wakayama, Y. & Mashiko, S., Mar 21 2006, In : Thin Solid Films. 499, 1-2, p. 329-332 4 p.

Research output: Contribution to journalConference article

Porphyrins
porphyrins
Copper
copper
Coordination Complexes
9 Citations (Scopus)

Structures of thin films of tertiary-phenyl-porphyrin derivatives on gold surface

Terui, T., Yokoyama, S., Suzuki, H., Mashiko, S., Sakurai, M. & Moriwaki, T., Mar 21 2006, In : Thin Solid Films. 499, 1-2, p. 157-160 4 p.

Research output: Contribution to journalConference article

Porphyrins
porphyrins
Gold
gold
Derivatives
2 Citations (Scopus)

Synthesis and luminescence properties of benzylthioether dendrons bearing Rhodamine B at the focal point

Miki, H., Otomo, A., Yokoyama, S. & Mashiko, S., Mar 21 2006, In : Thin Solid Films. 499, 1-2, p. 333-337 5 p.

Research output: Contribution to journalConference article

rhodamine B
Bearings (structural)
Dendrimers
rhodamine
Luminescence
2005

Nanoimprint technology for application to photonic devices

Nakao, M., Yokoyama, S. & Masuda, H., Dec 1 2005, In : Proceedings of SPIE - The International Society for Optical Engineering. 6050, 605001.

Research output: Contribution to journalConference article

Nanoimprint
Photonic devices
Photonics
photonics
dye lasers

Photonic crystal templates for organic solid-state laser

Yokoyama, S., Nakahama, T., Mashiko, S., Nakao, M., Yamada, M., Niship, K. & Masuda, H., Dec 1 2005, In : Proceedings of SPIE - The International Society for Optical Engineering. 5926, p. 1-8 8 p., 59260Q.

Research output: Contribution to journalConference article

organic lasers
organic solids
Solid-state Laser
Solid state lasers
solid state lasers

Polymer based sub-micrometer device for optical applications

Yokoyama, S., Nakahama, T., Mashiko, S., Nakao, M., Nishio, K. & Masuda, H., Dec 1 2005, In : Proceedings of SPIE - The International Society for Optical Engineering. 6050, 60500N.

Research output: Contribution to journalConference article

Dendrimers
Dye lasers
Microcavities
dendrimers
dye lasers
2003
11 Citations (Scopus)

Effective photocrosslinking reaction of dendrimers through triplet energy transfer

Furumi, S., Otomo, A., Yokoyama, S. & Mashiko, S., Aug 22 2003, In : Thin Solid Films. 438-439, p. 85-89 5 p.

Research output: Contribution to journalConference article

Dendrimers
dendrimers
Cinnamates
Energy transfer
energy transfer
20 Citations (Scopus)

Fabrication of three-dimensional microstructure in optical-gain medium using two-photon-induced photopolymerization technique

Yokoyama, S., Nakahama, T., Miki, H. & Mashiko, S., Aug 22 2003, In : Thin Solid Films. 438-439, p. 452-456 5 p.

Research output: Contribution to journalConference article

Optical gain
Dye lasers
Microcavities
Photopolymerization
dye lasers
9 Citations (Scopus)

Study on laser action from UV-curable chiral nematic liquid crystals

Furumi, S., Yokoyama, S., Otomo, A. & Mashiko, S., Aug 22 2003, In : Thin Solid Films. 438-439, p. 423-427 5 p.

Research output: Contribution to journalConference article

Nematic liquid crystals
liquid crystals
Lasers
Photopolymerization
lasers
21 Citations (Scopus)

Tunneling electron induced luminescence from monolayered Cu-TBP porphyrin molecules adsorbed on Cu(1 0 0)

Dong, Z. C., Kar, A., Dorozhkin, P., Amemiya, K., Uchihashi, T., Yokoyama, S., Kamikado, T., Mashiko, S. & Okamoto, T., Aug 22 2003, In : Thin Solid Films. 438-439, p. 262-267 6 p.

Research output: Contribution to journalConference article

Electron tunneling
Porphyrins
electron tunneling
porphyrins
Luminescence
20 Citations (Scopus)

Tunneling electron induced photon emission from monolayered H2TBP porphyrin molecules on Cu( 1 0 0 )

Dong, Z. C., Trifonov, A. S., Guo, X. L., Amemiya, K., Yokoyama, S., Kamikado, T., Yamada, T., Mashiko, S. & Okamoto, T., Jun 10 2003, In : Surface Science. 532-535, p. 237-243 7 p.

Research output: Contribution to journalConference article

Electron tunneling
Porphyrins
electron tunneling
porphyrins
Photons
2002

Inter- and intra-molecular energy transfers of encapsulated dyes in dendrimers

Otomo, A., Zhou, M., Furumi, S., Yokoyama, S. & Mashiko, S., Dec 1 2002, In : Proceedings of SPIE - The International Society for Optical Engineering. 4798, p. 37-43 7 p.

Research output: Contribution to journalConference article

Dendrimers
dendrimers
Energy Transfer
Dyes
Energy transfer

Rigid optical chromophore: The photophysical properties of p-phenylene benzobisthiazole derivative

Lee, S. H., Otomo, A., Nakahama, T., Yamada, T., Yokoyama, S. & Mashiko, S., Jan 1 2002, In : Materials Research Society Symposium - Proceedings. 708, p. 323-327 5 p.

Research output: Contribution to journalConference article

Chromophores
chromophores
Derivatives
Rayleigh scattering
Propanol

Triplet-triplet energy transfer in photocrosslinkable dendrimers

Furumi, S., Otomo, A., Yokoyama, S. & Mashiko, S., Jan 1 2002, In : Materials Research Society Symposium - Proceedings. 725, p. 255-260 6 p.

Research output: Contribution to journalConference article

Dendrimers
dendrimers
Energy transfer
energy transfer
Photoisomerization
2001
13 Citations (Scopus)

Effect of the metal/organic interface phenomena on the current-voltage characteristics of organic single electron tunneling device

Kubota, T., Yokoyama, S., Nakahama, T., Mashiko, S., Noguchi, Y., Majima, Y. & Iwamoto, M., Aug 1 2001, In : Thin Solid Films. 393, 1-2, p. 379-382 4 p.

Research output: Contribution to journalConference article

Electron tunneling
Current voltage characteristics
electron tunneling
Metals
Electric potential
18 Citations (Scopus)

Spatial photon confinement and super-radiation from dye cored dendrimer

Yokoyama, S., Otomo, A., Nakahama, T. & Mashiko, S., Aug 1 2001, In : Thin Solid Films. 393, 1-2, p. 124-128 5 p.

Research output: Contribution to journalConference article

Dendrimers
dendrimers
Chromophores
chromophores
Coloring Agents
6 Citations (Scopus)

Stimulated emission in dendrimer-doped polymer waveguides

Otomo, A., Otomo, S., Yokoyama, S. & Mashiko, S., Aug 1 2001, In : Thin Solid Films. 393, 1-2, p. 278-283 6 p.

Research output: Contribution to journalConference article

Dendrimers
Stimulated emission
dendrimers
stimulated emission
Polymers

Synthesis of new dendrimers based on 6,8-dinitroquinazoline and 3,5-dimercaptobenzyl blocks

Miki, H., Yokoyama, S. & Mashiko, S., Dec 1 2001, In : Materials Research Society Symposium - Proceedings. 660

Research output: Contribution to journalConference article

Dendrimers
dendrimers
synthesis
photoelectronics
electron orbitals
2000
2 Citations (Scopus)
Azobenzene
Dimers
optical activity
dimers
monomers
Dendrimers
Azobenzene
chromophores
Chromophores
augmentation
Dendrimers
Azobenzene
chromophores
augmentation
Chromophores
28 Citations (Scopus)

STM induced photon emission from adsorbed porphyrin molecules on a Cu(100) surface in ultrahigh vacuum

Fujita, D., Ohgi, T., Deng, W. L., Nejo, H., Okamoto, T., Yokoyama, S., Kamikado, K. & Mashiko, S., May 20 2000, In : Surface Science. 454, 1, p. 1021-1025 5 p.

Research output: Contribution to journalConference article

Porphyrins
Ultrahigh vacuum
porphyrins
ultrahigh vacuum
Photons
1994
8 Citations (Scopus)

Various orientations of pendant dye attached to polyamic Langmuir and Langmuir-Blodgett films studied by an optical second-harmonic generation interferometry technique

Tamada, T., Yokoyama, S., Kajikawa, K., Ishikawa, K., Takezoe, H., Fukuda, A., Kakimoto, M. A. & Imai, Y., Jan 1 1994, In : Thin Solid Films. 244, 1 -2 pt 3, p. 754-757 4 p.

Research output: Contribution to journalConference article

Langmuir Blodgett films
Langmuir-Blodgett films
Harmonic generation
Interferometry
harmonic generations