Kiyoshi Asakawa

发表

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Joseph W. Haus, Kiyoshi Asakawa, Qingqiu Gong, 2010 .

Nanophotonics for Communication: Materials and Devices

George Barbastathis, Kiyoshi Asakawa, Michal F. Lipson, 2004 .

Phase measurement interferometric microscopy of stacked fishnet metamaterials

Kazuo Sato, Tsuyoshi Nomura, Masayuki Ochiai, 2012, Other Conferences.

Silicon photonics for telecom and data-com applications

Kiyoshi Asakawa, Yoshimasa Sugimoto, Shigeru Nakamura, 2020, Opto-Electronic Advances.

Broadband Light Source Based on Four-Color Self-Assembled InAs Quantum Dot Ensembles Monolithically Grown in Selective Areas

Koichi Takeuchi, Yoshimasa Sugimoto, Kiyoshi Asakawa, 2012, IEICE Trans. Electron..

Nanotechnologies of photonic crystals and quantum dots for ultrasmall and ultrafast all-optical switches

Katsuro Inoue, Hiroshi Ishikawa, Yoshimasa Sugimoto, 2004, SPIE Micro + Nano Materials, Devices, and Applications.

Fabrication and characterization of silicon nitride directional coupler interferometer for sensing aptamer hybridization

Hiroaki Suzuki, Masatoshi Yokokawa, Kiyoshi Asakawa, 2016, SPIE BiOS.

Silicon nitride directional coupler interferometer for surface sensing

Hiroaki Suzuki, Kiyoshi Asakawa, Kyohei Okubo, 2017 .

Photonic crystal-based integrated optics for advanced ultra-fast all-optical signal processing

Kiyoshi Asakawa, Yoshimasa Sugimoto, K. Asakawa, 2005, SPIE Optics + Optoelectronics.

Hybrid plasmon waveguide for highly sensitive biosensing

Kiyoshi Asakawa, Kyohsuke Mohri, Hiroaki Suzuki, 2020 .

Nanophotonics Based on Semiconductor-Photonic Crystal/Quantum Dot and Metal-/Semiconductor-Plasmonics

Kazuo Sato, Tsuyoshi Nomura, Yoshinori Watanabe, 2012, IEICE Trans. Electron..

Low propagation losses in single-line-defect photonic crystal waveguides on GaAs membranes

Y. Tanaka, K. Inoue, Yoshimasa Sugimoto, 2005, IEEE Journal on Selected Areas in Communications.

Advanced quantum dot and photonic crystal technologies for integrated nanophotonic circuits

Yoshinori Watanabe, Yoshimasa Sugimoto, Kiyoshi Asakawa, 2009, Microelectron. J..

Light propagation characteristics of photonic crystal waveguide for miniaturized ultrafast optical-pulse control/delay devices

Kiyoshi Asakawa, Naoki Ikeda, Yoshimasa Sugimoto, 2001, International Symposium on Photonics and Applications.

Single Photonic-Crystal Defect Switch for All-Optical Ultrafast Operation Using Two Photon Absorption

Hiroshi Ishikawa, Yoshimasa Sugimoto, Yu Tanaka, 2004 .

Built-In Microplanar Lens for Light Coupling to Two-Dimensional Photonic Crystal Waveguide

Hitoshi Kawashima, Yoshimasa Sugimoto, Kiyoshi Asakawa, 2012, IEICE Trans. Electron..

Nanophotonics for Communication: Materials and Devices II

Nibir K. Dhar, Kiyoshi Asakawa, Achyut K. Dutta, 2005 .

Fabrication and characterization of photonic crystal-based symmetric Mach-Zehnder (PC-SMZ) structures based on GaAs membrane slab waveguides

Yoshinori Watanabe, Y. Tanaka, K. Inoue, 2005, IEEE Journal on Selected Areas in Communications.

Ultra-fast and ultra-small photonic crystal/quantum dot all-optical switch for future photonic networks

Hiroshi Ishikawa, Yu Tanaka, Kiyoshi Asakawa, 2005, SPIE Optics + Photonics.

Dry-etching and nanofabrication technology perspective for novel optical devices/components

Kiyoshi Asakawa, Yoshimasa Sugimoto, 2001, ITCom.

Applying flow theory to the evaluation of the quality of experience in a summer school program involving e-interaction

Kazuo Yana, Kiyoshi Asakawa, 浅川希洋志, 2009, DMS 2009.

AlGaAs-based two-dimensional photonic crystal with defect waveguides for miniaturized ultrafast optical-pulse control/delay devices

Kiyoshi Asakawa, Yoshimasa Sugimoto, Naoki Ikeda, 2001, ITCom.

Application of photonic crystal defects in constructing all-optical switches, optical delay lines and low-cross-talk waveguide intersections for ultrashort optical pulses

Tao Yang, Yoshimasa Sugimoto, Sheng Lan, 2002, SPIE ITCom.

Electron Beam Excited GaAs Maskless Etching Using C12 Nozzle Installed FIB/EB Combined System

Kiyoshi Asakawa, N. Takado, Yuichi Ide, 1990, Other Conferences.

Selectively excited bimodal interferometer for highly sensitive refractive index sensing

Kiyoshi Asakawa, Keito Ebihara, Hiroaki Suzuki, 2021 .

Transmission phase control by stacked metal-dielectric hole array with two-dimensional geometric design.

Tsuyoshi Nomura, Masanori Ozaki, Yoshimasa Sugimoto, 2012, Optics express.

Similar role of waveguide bends in photonic crystal circuits and disordered defects in coupled cavity waveguides: An intrinsic problem in realizing photonic crystal circuits

Hiroshi Ishikawa, Yoshimasa Sugimoto, Kiyoshi Asakawa, 2003 .

Nanostructuring in submicron-level waveguides with femtosecond laser pulses

Yoshimasa Sugimoto, Kiyoshi Asakawa, Xinbing Liu, 2002, CLEO 2002.

AlGaAs-based two-dimensional photonic crystal slab with defect waveguides for planar lightwave circuit applications

Yoshimasa Sugimoto, Kiyoshi Asakawa, Naoki Ikeda, 2002 .

Theoretical and experimental investigation of straight defect waveguides in AlGaAs-based air-bridge-type two-dimensional photonic crystal slabs

Yoshimasa Sugimoto, Kiyoshi Asakawa, Naoki Ikeda, 2001 .

Record Low Threshold Current in Microcavity Surface-Emitting Laser

Hiroyuki Yokoyama, Yoshimasa Sugimoto, Kenichi Kasahara, 1993 .

Photonic crystal and quantum dot technologies for all-optical switch and logic device

Peter Ingo Borel, Ole Sigmund, Hiroshi Ishikawa, 2006 .

Design, nano-fabrication and analysis of near-infrared 2D photonic crystal air-bridge structures

Kiyoshi Asakawa, Naoki Ikeda, Kuon Inoue, 2002 .

Optical nonlinear properties of InAs quantum dots by means of transient absorption measurements

Kiyoshi Asakawa, Hitoshi Nakamura, Shigeru Kohmoto, 2003 .

Smooth etching of various III/V and II/VI semiconductors by Cl2 reactive ion beam etching

Yoshimasa Sugimoto, Hitoshi Hotta, Kiyoshi Asakawa, 1996 .

Cleaning of MBE GaAs Substrates by Hydrogen Radical Beam Irradiation

Kiyoshi Asakawa, Eizo Miyauchi, Akira Takamori, 1987 .

Light amplification by stimulated Raman scattering in AlGaAs-based photonic-crystal line-defect waveguides

Yoshimasa Sugimoto, Kiyoshi Asakawa, Akio Yamanaka, 2008 .

Extending emission wavelength of InAs/GaAs quantum dots beyond 1.3 μm by using quantum dot bi-layer for broadband light source

Richard A. Hogg, Edmund Clarke, Yoshimasa Sugimoto, 2013 .

Topology optimization of a wavelength-selective Y-junction for 2D photonic crystal waveguides

Yoshimasa Sugimoto, Kiyoshi Asakawa, Naoki Ikeda, 2008 .

Novel nano-scale site-controlled InAs quantum dot assisted by scanning tunneling microscope probe

Tomonori Ishikawa, Kiyoshi Asakawa, Hitoshi Nakamura, 2000 .

Selective-area-growth of InAs-QDs with different absorption wavelengths via developed metal-mask/MBE method for integrated optical devices

Yoshimasa Sugimoto, Kiyoshi Asakawa, Naoki Ikeda, 2008 .

Observation of small group velocity in two-dimensional AlGaAs-based photonic crystal slabs

Yoshimasa Sugimoto, Kiyoshi Asakawa, Naoki Ikeda, 2002 .

Selective area growth of InAs quantum dots with a metal mask towards optical integrated circuit devices

Yoshimasa Sugimoto, Kiyoshi Asakawa, Yusui Nakamura, 2007 .

Two Dimensional Semiconductor-Based Photonic Crystal Slab Waveguides for Ultra-Fast Optical Signal Processing Devices (INVITED)

Hiroshi Ishikawa, Yoshimasa Sugimoto, Koji Ishida, 2004 .

Enhanced third-order nonlinear effects in slow-light photonic-crystal slab waveguides of line-defect.

Kiyoshi Asakawa, Naoki Ikeda, Kuon Inoue, 2009, Optics express.

High-precision optical interference in Mach-Zehnder-type photonic crystal waveguide.

Yoshimasa Sugimoto, Kiyoshi Asakawa, Hitoshi Nakamura, 2005, Optics express.

Broadband waveguide intersection with low crosstalk in two-dimensional photonic crystal circuits by using topology optimization.

Yoshimasa Sugimoto, Akio Mizutani, Kiyoshi Asakawa, 2006, Optics express.

Site control of self-organized InAs dots on GaAs substrates by in situ electron-beam lithography and molecular-beam epitaxy

Tomonori Ishikawa, Kiyoshi Asakawa, Shigeru Kohmoto, 1998 .

Optical characterization of photonic crystal delay lines based on one-dimensional coupled defects.

Hiroshi Ishikawa, Yoshimasa Sugimoto, Kiyoshi Asakawa, 2002, Optics letters.

Ultra-Small GaAs-Photonic-Crystal-Slab-Waveguide-Based Near-Infrared Components: Fabrication, Guided-Mode Identification, and Estimation of Low-Loss and Broad-Band-Width in Straight-Waveguides, 60°-Bends and Y-Splitters

Yoshimasa Sugimoto, Koji Ishida, Kiyoshi Asakawa, 2004 .

Dry‐etched‐cavity pair‐groove‐substrate GaAs/AlGaAs multiquantum well lasers

Keisuke Shinozaki, Kiyoshi Asakawa, Makoto Ishii, 1986 .

Three-dimensional site control of self-organized InAs quantum dots by in situ scanning tunneling probe-assisted nanolithography and molecular beam epitaxy

Kiyoshi Asakawa, Hitoshi Nakamura, Shigeru Kohmoto, 2002 .

Investigation of GaAs Surface Morphology Induced by Cl 2 Gas Reactive Ion Beam Etching

Kiyoshi Asakawa, Sumio Sugata, 1983 .

Studies on key nano-fabrication processes for GaAs-based air-bridge-type two-dimensional photonic-crystal slab waveguides

Yoshimasa Sugimoto, Kiyoshi Asakawa, Naoki Ikeda, 2007 .

Topology optimization of waveguide bends with wide, flat bandwidth in air-bridge-type photonic crystal slabs

Yoshimasa Sugimoto, Akio Mizutani, Kiyoshi Asakawa, 2007 .

RGB color filter comprising aluminum film with surface plasmon enhanced transmission through sub-wavelength hole-arrays

Tsuyoshi Nomura, Yoshimasa Sugimoto, Kiyoshi Asakawa, 2009, 2009 IEEE/LEOS International Conference on Optical MEMS and Nanophotonics.

Ultra-fast photonic crystal/quantum dot all-optical switch for future photonic networks

Yoshimasa Sugimoto, Kiyoshi Asakawa, Hitoshi Nakamura, 2006, QELS 2006.

Low propagation loss of 0.76 dB/mm in GaAs-based single-line-defect two-dimensional photonic crystal slab waveguides up to 1 cm in length.

Yoshimasa Sugimoto, Kiyoshi Asakawa, Yusui Nakamura, 2004, Optics express.

Topology optimised photonic crystal waveguide intersections with high-transmittance and low crosstalk

Peter Ingo Borel, Ole Sigmund, Jakob Søndergaard Jensen, 2006 .

Site-controlled self-organization of individual InAs quantum dots by scanning tunneling probe-assisted nanolithography

Tomonori Ishikawa, Kiyoshi Asakawa, Hitoshi Nakamura, 1999 .

Two-Dimensional InGaAs Quantum-Dot Arrays with Periods of 70–100 nm on Artificially Prepared Nanoholes

Yoshimasa Sugimoto, Kiyoshi Asakawa, Hitoshi Nakamura, 2004 .

Wavefront control by stacked metal-dielectric hole array with variable hole shapes.

Tsuyoshi Nomura, Masanori Ozaki, Yoshimasa Sugimoto, 2013, Optics express.

Simulation of group-velocity-dependent phase shift induced by refractive-index change in an air-bridge-type AlGaAs two-dimensional photonic crystal slab waveguide

Noritsugu Yamamoto, Yoshimasa Sugimoto, Kiyoshi Asakawa, 2004 .

Nonlinear optical phase shift in InAs quantum dots measured by a unique two-color pump/probe ellipsometric polarization analysis

Hiroshi Ishikawa, Kiyoshi Asakawa, Hitoshi Nakamura, 2004 .

Fabrication and characterization of different types of two-dimensional AlGaAs photonic crystal slabs

Yoshimasa Sugimoto, Kiyoshi Asakawa, Naoki Ikeda, 2002 .

Surface‐emitting GaAs/AlGaAs lasers with dry‐etched 45° total reflection mirrors

Mitsunori Sugimoto, Kiyoshi Asakawa, T. Yuasa, 1989 .

WIDEBAND OPERATION OF 2D PHOTONIC CRYSTAL DIRECTIONAL COUPLER WITH TOPOLOGY OPTIMIZED WAVEGUIDE BENDS

Yoshimasa Sugimoto, Kiyoshi Asakawa, Nobuhiko Ozaki, 2010 .

Saturation intensity in InAs quantum dot and its application to all-optical switches

Kiyoshi Asakawa, Shigeru Kohmoto, Satoshi Nishikawa, 2001, LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242).

Selective growth of high quality InAs quantum dots in narrow regions using in situ mask

Yoshimasa Sugimoto, Kiyoshi Asakawa, Hitoshi Nakamura, 2006 .

High transmission recovery of slow light in a photonic crystal waveguide using a hetero groupvelocity waveguide.

Yoshimasa Sugimoto, Akio Mizutani, Kiyoshi Asakawa, 2007, Optics express.

Trimodal polymer waveguide interferometer for chemical sensing

Kiyoshi Asakawa, Kyohei Okubo, Ken Uchiyamada, 2019, Japanese Journal of Applied Physics.

GaAs and GaAlAs Equi-Rate Etching Using a New Reactive Ion Beam Etching System

Kiyoshi Asakawa, K. Asakawa, Sumio Sugata, 1983 .

Transmission properties of coupled-cavity waveguides based on two-dimensional photonic crystals with a triangular lattice of air holes

Yoshimasa Sugimoto, Kiyoshi Asakawa, Tao Yang, 2003 .

The effect of higher-order dispersion on slow light propagation in photonic crystal waveguides.

Yoshimasa Sugimoto, Kiyoshi Asakawa, Jeroen P. Korterik, 2006 .

Chemically enhanced focused ion beam etching of deep grooves and laser‐mirror facets in GaAs under Cl2 gas irradiation using a fine nozzle

Kiyoshi Asakawa, Makoto Ishii, Eizo Miyauchi, 1987 .

Ultra-Small Photonic-Crystal-Waveguide-Based Y-Splitters Useful in the Near-Infrared Wavelength Region

Yoshimasa Sugimoto, Koji Ishida, Kiyoshi Asakawa, 2004 .

Use of independently controlled Cl radical and Ar ion beams for anisotropic chemically enhanced etching of GaAs

Larry A. Coldren, James L. Merz, Kiyoshi Asakawa, 1988 .

Experimental verification of guided modes in 60°-bent defect waveguides in AlGaAs-based air-bridge-type two-dimensional photonic crystal slabs

Yoshimasa Sugimoto, Kiyoshi Asakawa, Naoki Ikeda, 2002 .