Toyota Technological Institute

2001 - 2009

Toyota Technological Institute   Lecturer

1999 - 2001

Toyota Technological Institute   Research Associate

1995 - 1998

早稲田大学理   工学部総合研究センター   客員研究員

1993 - 1995

Waseda University

1992 - 1993

The difference in the coordination environment around Yb3+ ions between Yb–Al-doped and Yb–P-doped silica glasses Reviewed

Tomoya Okazaki **, Edson Haruhico Sekiya*, Kazuya Saito

Japanese Journal of Applied Physics   59   2020

Effect of P-to-Rare Earth Atomic Ratio on Energy Transfer in Er-Yb-Doped Optical Fiber Reviewed

Yuta Kobayashi **, Edson H. Sekiya*, Mizuki Banno **, Ryoichi Nishimura **, Tomoya Okazaki **, Yosuke Hashimoto **, Tomohiro Araki **, Kentaro Ichii **, Kazuya Saito

J. Lightwave. Technology   38 ( 16 )   4505 - 4512   2020

Impact of electron irradiation upon optical properties of Bismuth/Yttria codoped phosphosilicate fiber Reviewed

A.V. Kir’anov **, Arindam Halder*, Edson Haruhico Sekiya*, Kazuya Saito, Y. O. Barmenkov **, V. P. Minkkovich **, S. I.Didenko **, S. A. Legotin **, K. I .Tapero **

Opt. Letter Tech.   128   106245   2020

Relationship between the first sharp diffraction peak and physical properties of silicon dioxide (SiO2) glasses possessing different fictive temperatures Reviewed

Hirokazu MASAI **, Shinji KOHARA **, Yohei ONODERA **, Akitoshi KOREEDA **, Kazuya Saito, Edson Haruhico Sekiya **, Naoyuki KITAMURA **

J. Ceramic Society Jpn   128   1 - 7   2020

Broadband visible-to-NIR ASE from Bismuth doped optical fibers: a window towards lasing Reviewed

アリンダム　ハルダー, A. V. Kir'yanov **, Kazuya Saito

Optical Letters   58 ( 120915 )   1 - 5   2019.11

Atomic ratio P/Al dependence of local structure around Yb3+ ions and optical properties in Yb-Al-P-doped silica glasses Reviewed

岡崎朋也 **, エジソン晴彦関谷*, Kazuya Saito

Japanese Journal of Applied Physics   58 ( 122005 )   1 - 7   2019.10

Discussion on Raleigh scattering as a dominant loss factor in VIS/NIR in bismuth-doped silicate fibers Reviewed

Alexander V. Kir'yanov **, アリンダム　ハルダー, Yuri O. Barmenkov **, エジソン晴彦関谷*, Kazuya Saito

Optical Materials Express   9 ( 7 )   2817 - 2827   2019.7

Fabrication and characterization of bismuth-doped germano-silicate and phospho-silicate fibers for VIS/NIR applications Reviewed

アリンダム　ハルダー, Alexander Kir'yanov **, エジソン晴彦関谷*, Kazuya Saito

Optical Material Express   9 ( 4 )   1815 - 1825   2019.4

P concentration dependence of local structure around Yb3+ ions and optical properties in Yb–P-doped silica glasses Reviewed

岡崎朋也*, エジソン晴彦関谷*, Kazuya Saito

Japanese Journal of Applied Physics   58 ( 6 )   2019.3

Local structure of Yb3+ ions and X-ray induced defect in Yb-doped silica glass Reviewed

岡崎朋也*, エジソン晴彦関谷*, Kazuya Saito

Japanese Journal of Applied Physics   58 ( 1 )   2019.1

Fabrication of a laser cavity mirror in a large mode area fiber by an ultrashort pulse laser Reviewed

Kazuo Hasegawa 豊田中央研究所*, Satoru Kato 豊田中央研究所*, 岡崎朋也*, Hiroshi Murotani 東海大学*, Kazuya Saito

Applied Optics   57 ( 25 )   2018.9

Effects of Ge Co-Doping on P-Related Radiation-Induced Absorption in Er/Yb-Doped Optical Fibers for Space Applications Reviewed

Yuta Kobayashi JAXA*, エジソン晴彦関谷 フロンティア材料*, Kazuya Saito, Ryoichi Nishimura フジクラ*, Kentaro　Ichii フジクラ*, Tomohiro Araki JAXA*

JOURNAL OF LIGHTWAVE TECHNOLOGY   36 ( 13 )   2723 - 2728   2018.7

Fabrication and optical analysis of bismuth doped germanosilicate preforms to develop ~830nm fiber laser Reviewed

アリンダム　ハルダー, エジソン晴彦関谷 フロンティア材料*, Kazuya Saito

Optica Publishing Group, 2018   2018

Investigation of Optical Properties in Sn, Sb, Pb and Bi Doped Silica Glasses Aiming Visible Fiber Laser Reviewed

エジソン　晴彦　関谷, Kazuya Saito

Key Engineering Materials   702   91 - 95   2016.7 （   ISSN:1662-9795 ）

空孔構造マルチコア光ファイバ技術 Reviewed

姚　兵 日立金属*, 大薗　和正 日立金属*, 齋藤　和也

ITUジャーナル   43 ( 11 )   12 - 13   2013.11

Difference in Structural Relaxation Times of Inner Surface and Inner Bulk Region of Silica Glass Arc Tube Reviewed

Takuya Honma*, Nobuhiro Tamura*, Kazuya Saito, エジソン　晴彦　関谷

N.J.Glass and Ceram.   48 - 52   2013.3

Difference in structural relaxation times of inner surface and inner bulk region of silica arc tube Reviewed

T.Honma Toshiba Lighting & Technology Corporation*, N.Tamura Toshiba Lighting & Technology Corporation*, Kazuya Saito, エジソン　晴彦　関谷

New J. Glass and Ceramics   3   48 - 52   2013

Fictive temperature dependences of optical properties in Yb-doped silica glass Reviewed

Kazuya Saito, R. Yamamoto*, N. Kamiya*, エジソン　晴彦　関谷, P. Barua*

Proc. SPIE 6998   69981J   1 - 8   2008

Improvement of Yb3+ doped optical fiber performs b using MCVD method Reviewed

V. Petit*, エジソン　晴彦　関谷, T. Okazaki*, P. Barua*, B. Yao*, K. Ohsono*, Kazuya Saito

Proc. SPIE 6998 69980A-1-8   2008

Influences of Yb3+ ion concentration on the spectroscopic properties of silica glass Reviewed

P. Barua*, エジソン　晴彦　関谷, Kazuya Saito, A. J. Ikushima*

Journal of Non-Crystalline Solids   354   4760 - 4764   2008

Fabrication of Yb-doped silica glass through the modification of MCVD process Reviewed

エジソン　晴彦　関谷, P. Barua*, Kazuya Saito, A. J. Ikushima*

Journal of Non-Crystalline Solids   354   4737 - 4742.   2008

Characterization of Yb3+ clusters in silica glass performs Reviewed

V. Petit*, T. Okazaki*, エジソン　晴彦　関谷, R. Bacus*, Kazuya Saito, A. J. Ikushima*

Optical Materials   31   300 - 305   2008

Mid-infrared spectroscopic detection of refractive index in a CO2 laser-written long-period fiber grating Reviewed

T. Hirose*, Kazuya Saito, K. Takada*

Electronics Letters   44   1187 - 1188   2008

Mass fabrication of homogeneously Yb-doped silica nanoparticles and their spectroscopic properties Reviewed

熊　良明, エジソン　晴彦　関谷, Kazuya Saito

Nanotechnology   20   015605 - 1   2008

Structure and physical properties of Yb-doped silica glass Reviewed

Kazuya Saito, エジソン　晴彦　関谷, P. Barua*, A. J. Ikushima*

Proc. of XXIst International Congress on Glass,J7   2007

Fabrication of long-period fiber grating by CO2 laser-annealing in fiber-drawing process Reviewed

T. Hirose*, Kazuya Saito, S. Kojima*, Y. Bing*, K. Ohsono*, S. Sato*, K. Takada*, A. J. Ikushima*

Electronics Letters   43   443 - 445   2007

Density anomaly and microscopic structure in fluorine doped silica glass Reviewed

N. Shimodaira*, H. Kakiuchida*, Kazuya Saito, A. J. Ikushima*

Proc. of XXIst International Congress on Glass   8   2007

Refractive-index and density changes of silica glass by halogen doping Reviewed

H. Kakiuchida*, エジソン　晴彦　関谷, N. Shimodaira*, Kazuya Saito, A. J. Ikushima*

Journal of Non-Crystalline Solids   353   568 - 572.   2007

Structure and physical properties of sputter-deposited silica glss Reviewed

A. J. Ikushima*, T. Hirose*, Kazuya Saito

Proc. of XXIst International Congress on Glass,J63   2007

Structural relaxation in sputter-deposited silica glass Reviewed

Tomohiro Hirose*, Kazuya Saito, Akira J. Ikushima*

Journal of Non-crystalline Solids   352   2198   2006

Waveguide writing by CO2 laser annealing on sputtered silica film Reviewed

T.Hirose*, M.Fokine*, Kazuya Saito, A.J.Ikushima*

Journal of Non-crystalline Solids   352   664   2006

High-temperature treatment of hydrogen loaded GeO₂:SiO₂ glasses for photonic device fabrication Reviewed

M. Fokine*, H. Suzuki*, T. Goto*, Kazuya Saito, A. J. Ikushima*

Journal of Non-Crystalline Solids   352   494 - 499.   2006

Microscopic structural changes of SiO2 glasses as a　function of temperature investigated by in situ Raman spectroscopy Reviewed

N. Shimodaira*, Kazuya Saito, エジソン　晴彦　関谷, A.J. Ikushima*

Physical Review B   73   214206 - 1   2006

Distributions of Self-Trapped Holes Continuums in Silica Glass Reviewed

R. Wang*, Kazuya Saito

Journal of Applied Physics   ( 100 )   013706 - 1   2006

Control of glass forming process during fiber drawing to reduce the Rayleigh scattering loss Reviewed

Kazuya Saito, エジソン　晴彦　関谷, A. J. Ikushima*, K. Ohsono 日立電線*, Y. Kurosawa 日立電線*

Journal of the American Ceramic Society   89   65 - 69   2005

Effects of fictive temperature and halogen doping on the boson peak in silica glass Reviewed

N. Shimodaira 博士3*, Kazuya Saito, N. Hiramitsu H13学部卒業 槌屋*, S. Matsushita H15学部卒業 中部電力*, A. J. Ikushima*

Physical Review B   71   024209 - 1   2005

Effects of fictive temperature and halogen doping on the boson peak in silica glass Reviewed

N. Shimodaira 博士課程学生*, Kazuya Saito, N. Hiramitsu 元本学修士学生*, S. Matsushita 元本学学部学生*, A. J. Ikushima*

Physical Review B   71 ( 2 )   024209 - 1   2005

Refractive index and density in F- and Cl-doped silica glasses Reviewed

H. Kakiuchida*, N. Shimodaira*, エジソン　晴彦　関谷, Kazuya Saito, A. J. Ikushima*

Applied Physics Letters   86   161907   2005

Fluorine-doping concentration and fictive temperature dependence of self-trapped holes in SiO2 glasses. Reviewed

R. P. Wang*, N. Tai*, Kazuya Saito, A. J. Ikushima*

Journal of Applied Physics   98   23701   2005

Photo-bleaching of self-trapped holes in SiO2 glass Reviewed

R. P. Wang*, Kazuya Saito, A. J. Ikushima*

Journal of Non-Crystalline Solids   351   1569   2005

Thermally induced second-order nonlinearity in silica-based glasses Reviewed

M. Fokine*, Kazuya Saito, A. Ikushima*

Applied Physics Letters   87   171907   2005

シリカガラスの構造多様性とその光デバイスへの応用 Reviewed

齋藤　和也

機能材料   11   64   2005

Defect formation and recovery processes in hydrogen-loaded silica fibers Reviewed

Kazuya Saito, M. Ito H14学部卒業 デンソー*, A. J. Ikushima*, S. Funahashi 三菱電線*, K. Imamura 三菱電線*

Journal of Non-Crystalline Solids   347   289 - 293   2004

Refractive index, density, and polarizability of silica glass with various fictive temperatures Reviewed

H. Kakiuchida*, Kazuya Saito, A. Ikushima*

Japanese Journal of Applied Physics.Part 2   43   L743   2004

Density and concentration fluctuations in F-doped SiO2 glass Reviewed

T. Watanabe*, Kazuya Saito, A. J. Ikushima*

Journal of Applied Physics   95 ( 5 )   2432 - 2435   2004

Specific Volume of Fluorine-Doped Silca Glass with Various Fictive Temperatures Reviewed

Hiroshi Kakiuchida*, Kazuya Saito, Akira J. Ikushima*

Japanese Journal of Applied Physics.Part 2   43 ( 4A )   L464 - L467   2004

Structural relaxations in silica glass Reviewed

Akira J. Ikushima*, Kazuya Saito

Slow Dynamics in Complex Systems, 3rd International Symposium   571 - 575   2004

Refractive index, density and polarizability of silica glass with various fictive temperature Reviewed

Hiroshi Kakiuchida*, Kazuya Saito, Akira J. Ikushima*

Japanese Journal of Applied Physics.Part 2   43 ( 6A )   L743 - L745   2004

Approach for reducing the Rayleigh scattering loss in optical fibers Reviewed

Kazuya Saito, Masafumi Yamaguchi, A. J. Ikushima*, K. Ohsono Optoelectronic system lab, Hitachi Cable Ltd.*, Y. Kurosawa Optoelectronic system lab, Hitachi Cable Ltd.*

Journal of Applied Physics   95 ( 4 )   1733 - 1735   2004

Structural change of OH-free fused quartz tube by blowing with hydrogen-oxygen flame Reviewed

N. Kuzuu 福井大学*, Y. Kokubo 福井大学*, I. Serizawa 福井大学*, L. H. Zeng 福井大学*, K. Fujii 福井大学*, Masafumi Yamaguchi, Kazuya Saito, A. J. Ikushima*

Journal of Non-Crystalline Solids   333   115 - 123   2004

Early stage of phase separation of aluminoborosilicate glass for liquid crystal display substrate Reviewed

Y. Kato 日本電気硝子*, H. Yamazaki 日本電気硝子*, T. Watanabe*, Kazuya Saito, A. J. Ikushima*

Journal of the American Ceramic Society   88   473 - 477   2004

Structural relaxation in silica glass Reviewed

A. J. Ikushima*, Kazuya Saito, H. Kakiuchida*

Proc.of the 13th International Symposium on Slow Dynamics in Complex Systems (2003)   2003

Fictive temperature dependence of density fluctuation in SiO2 glass Reviewed

T. Watanabe*, Kazuya Saito, A. J. Ikushima*

Journal of Applied Physics   94 ( 8 )   4824 - 4827   2003

Fictive-temperature-dependence of photoinduced self-trapped holes in a-SiO2 Reviewed

Masafumi Yamaguchi, Kazuya Saito, A. J. Ikushima*

Physical Review B   68   153204   2003

Effect of Chlorine on Rayleigh Scattering Reduction in Silica Glass Reviewed

Hiroshi Kakiuchida*, エジソン　晴彦　関谷, Kazuya Saito, Akira J. Ikushima*

Japanese Journal of Applied Physics.Part 2   42 ( 12B )   L1526 - L1528   2003

Limit of the Rayleigh scattering loss in silica fiber Reviewed

Kazuya Saito, H. Yamaguchi*, K. Kakiuchida*, A. J. Ikushima*, K. Ohsono Hitachi Cable, Ltd.*, Y. Kurosawa Hitachi Cable, Ltd.*

Applied Physics Letters   83 ( 25 )   5175 - 5177   2003

Reyleigh Scattering in Fluorine-Doped Silica Glass Reviewed

Hiroshi Kakiuchida*, Kazuya Saito, Akira J. Ikushima*

Japanese Journal of Applied Physics.Part 1   42 ( 10 )   6516 - 6517   2003

Silica waveguides fabricated by oxidization of selectively anodized porous silicon Reviewed

Seiichi Nagata*, Shinobu Matsushita ハイテック*, Kazuya Saito, Yoshio Ohshita, Yoshinobu Maeda*, Masafumi Yamaguchi, Akira J. Ikushima*

Applied Physics Letters   82 ( 16 )   2559 - 2561   2003

Fictive temperature dependence of structural relaxation in silica glass Reviewed

H. Kakiuchida*, Kazuya Saito, A. J. Ikushima*

Journal of Applied Physics   94   1705 - 1708   2003

Precise determination of fictive temperature of silica glass by infrared absorption spectrum Reviewed

H. Kakiuchida*, Kazuya Saito, A. J. Ikushima*

Journal of Applied Physics   93   777 - 779   2003

Raman spectra of fluorine-doped silica glasses with various fictive temperatures Reviewed

N. Shimodaira Asahi Glass Co. Ltd.*, Kazuya Saito, A. J. Ikushima*

Journal of Applied Physics   91 ( 6 )   3522 - 3525   2002.3

Effects of fluorine on structure, structural relaxation, and absorption edge in silica glass Reviewed

Kazuya Saito, A. J. Ikushima*

Journal of Applied Physics   91 ( 8 )   4886 - 4890   2002

Formation and relaxation processes of photoinduced defects in a Ge-doped SiO2 glass Reviewed

Masafumi Yamaguchi, Kazuya Saito, A. J. Ikushima*

Physical Review B   66   132106 - 1   2002

Local structural relaxation around OH in silica glass Reviewed

H. Kakiuchida*, Kazuya Saito, A. J. Ikushima*

Japanese Journal of Applied Physics.Part 1   41   2993 - 2998   2002

Effects of halogen doping on structure of silica glass as a photonic material Reviewed

H. Kakiuchida*, Kazuya Saito, N. Hiramitsu*, A. J. Ikushima*

SPIE   4833   504 - 512   2002

Rayleigh scattering in fluorine-doped silica glass Reviewed

H. Kakiuchida*, Kazuya Saito, A. J. Ikushima*

SPIE   4905   355 - 362   2002

Precise determination of fictive temperature of silica glass by infrared absorption spectrum Reviewed

H. Kakiuchida*, Kazuya Saito, A. J. Ikushima*

Journal of Applied Physics   93   777 - 779   2002

Study of defect formation/relaxation processes in Ge-doped SiO2 by ArF laser irradiation Reviewed

Makoto Yamaguchi*, Kazuya Saito, Akira J. Ikushim*

Proceedings of SPIE, Design, Fabrication, and Characterization of Photonic Devices Ⅱ   300 - 307   2001

Toward ultra-lucent optical fibers Reviewed

Akira J. Ikushima*, Kazuya Saito, Hiroshi Kakiuchida*

Proceedings of SPIE, Design, Fabrication, and Characterization of Photonic DevicesⅡ   288 - 299   2001

Fictive temperature dependence of photo-induced defects in Ge:SiO2 glass Reviewed

Noriaki Horiuchi*, Kazuya Saito, Akira J. Ikushima*

Proceedings of SPIE,Design, Fabrication, and Characterization of Photonic Devices   4594   423 - 431   2001

Absorption edge in silica glass Reviewed

Kazuya Saito, Akira J. Ikushima*

Physical Review B   62 ( 13 )   8584 - 8587   2000.10

シリカガラスの構造無秩序性と構造緩和 Reviewed

齋藤　和也, 垣内田洋*, 生嶋明*

New Glass   15 ( 3 )   14 - 18   2000.9

Silica glass : A material for photonics Reviewed

Akira J. Ikushima*, Takumi Fujiwara 長岡技術科学大学*, Kazuya Saito

Journal of Applied Physics (Applied Physics Reviews)   88 ( 3 )   1201 - 1213   2000.8

Structural disorder and optical properties in silica glass Reviewed

Kazuya Saito, Hiroshi Kakiuchida*, Akira J. Ikushima*

25th Australian Conference on Optical Fiber Technology   57 - 58   2000

Effects of aluminum impurity on the structural relaxation in silica glass Reviewed

Kazuya Saito, Naoki Ogawa 修士2*, Akira J. Ikushima*, Yasushi Tsurita 三菱化学株式会社*, Keiji Yamahara 三菱化学株式会社*

Journal of Non-Crystalline Solids   270   60 - 65   2000

Silica Glass for Photonics Reviewed

Kazuya Saito, Akira J. Ikushima*

First Asia-Pacific Conference on Fundamental Problems of opto-and microelectronics   214 - 219   2000

VUV transmittance of fused silica glass influenced by thermal disorder Reviewed

Noriaki Shimodaira Asahi Glass Co. Ltd.*, Kazuya Saito, Akira J. Ikushima*, Toru Kamihori Asahi Glass Co. Ltd.*, Shuhei Yoshizawa Asahi Glass Co. Ltd.*

Proceedings of SPIE on Microlithography   4000   1553 - 1559   1999

Development of a wide-temperature range VUV and UV spectrophotometer and its applications to silica glass Reviewed

Kazuya Saito, A. J. Ikushima*

Journal of Non-Crystalline Solids   259   81 - 86   1999

シリカガラスの構造緩和と光物性 Reviewed

齋藤　和也, 生嶋明*

New Glass   14 ( 4 )   36 - 41   1999

シリカガラスはどこまで透明にできるか Reviewed

生嶋明*, 齋藤　和也

応用物理   68 ( 10 )   1157 - 1161   1999

Effects of preirradiation and thermal annealing on photoinduced defects creation in synthetic silica glass Reviewed

Kazuya Saito, A. J. Ikushima*, T. Kotani 北川工業(株)*, T. Miura 北川工業(株)*

Journal of Applied Physics   86 ( 7 )   3497 - 3501   1999

Improvement of the ultraviolet-proof property of silica glass fibers for ArF excimer-laser applications Reviewed

Kazuya Saito, A. J. Ikushima*, T. Kotani 北川工業(株)*, T. Miura 北川工業(株)*

Optics Letters   24 ( 23 )   1678 - 1680   1999

Dielectric relaxation in silica glass Reviewed

H. Kakiuchida 博士3*, Kazuya Saito, A. J. Ikushima*

Journal of Applied Physics   86 ( 11 )   5983 - 5987   1999

Structural Relaxation Enhanced by Impurities in Silica Glass Reviewed

Kazuya Saito, Akira Ikushima*

AIP Conference Proceedings CP469"Slow Dynamics in Comples Systems"International Symposium   507 - 512   1999

超低損失ファイバ素材の開発 Reviewed

齋藤　和也, 生嶋明*

機械の研究   51 ( 11 )   33 - 38   1999

Structural Relaxation enhanced by Cl ions in Silica Glass Reviewed

Kazuya Saito, A. J. Ikushima*

Applied Physics Letters   73 ( 9 )   1209 - 1211   1998

Light Scattering Studies on the Glass Transition and the Structure in Silica Glass Reviewed

Kazuya Saito, H. Kakiuchida 博士1*, A. J Ikushima*

Japanese Journal of Applied Physics.Part 1   37 ( S1 )   32 - 35   1998

Light-Scattering Study of the Glass Transition in Silica, with Practical Implications Reviewed

Kazuya Saito, H. Kakiuchida 博士2*, A. J. Ikushima*

Journal of Applied Physics   84 ( 6 )   3107 - 3112   1998

Investigation of the Origin of the Rayleigh Scattering in SiO2 Glass Reviewed

Kazuya Saito, H. Kakiuchida 博士1*, A. J Ikushima*

Journal of Non-Crystalline Solids   222   329 - 334   1997

これからの通信用光ファイバー－究極の透明性を求めて－ Reviewed

齋藤　和也

現代化学   317   31 - 36   1997

Structural Relaxation of the Frozen-in Density Fluctuations in Silica Glass Reviewed

Kazuya Saito, A. J. Ikushima*

Progress of Theoretical Physics   ( 126 )   277 - 280   1997

A New Method of Developing Ultralow-Loss Glasses Reviewed

Kazuya Saito, A. J. Ikushima*, T. Ito 豊田中央研究所*, A. Itoh 豊田中央研究所*

Journal of Applied Physics   81 ( 11 )   7129 - 7134   1997

Reduction of light-Scattering Loss in Silica Glass by the Structural relaxation of "Frozen-in"Density Fluctuations Reviewed

Kazuya Saito, A. J. Ikushima*

Applied Physics Letters   70 ( 26 )   3504 - 3506   1997

シリカガラスのガラス形成過程とファイバの低損失化 Invited

齋藤　和也

電子情報通信学会 光通信システム研究会（OCS研究会）  ( 道東経済センタービル 第１中会議室（北海道釧路市） )   2019.8  電子情報通信学会

ガラス転移と物性制御 Invited

齋藤　和也

第124回(平成29年度第4回)ニューガラスセミナー  ( 東京都新宿区 )   2018.3  ニューガラスフォーラム

Al co-doping influence on photo induce absorption of Mg doped silica glasses

エジソン　晴彦　関谷, 岡崎朋也*, Kazuya Saito

第78回応用物理学会秋季学術講演会  ( 福岡県福岡市 )   2017.9  応用物理学会

Yb添加シリカガラスにおけるYb-O結合距離とフォトダークニングの相関

岡崎朋也 フロンティア材料*, エジソン　晴彦　関谷, Kazuya Saito

第78回応用物理学会秋季学術講演会  ( 福岡県福岡市 )   2017.9  応用物理学会

共添加シリカガラスにおける欠陥抑制効果 International conference

横瀬啓*, エジソン　晴彦　関谷, Kazuya Saito

第78回応用物理学会秋季学術講演会  ( 福岡県福岡市 )   2017.9  応用物理学会

Mn添加シリカガラスにおけるMnイオンの価数制御

原田 鳳陽*, 岡崎 朋也*, エジソン　晴彦　関谷, Kazuya Saito

第78回応用物理学会秋季学術講演会  ( 福岡県福岡市 )   2017.9  応用物理学会

衛星間光通信用ファイバーアンプのガラス開発 Invited International conference

齋藤　和也

平成29年度第1回ガラス科学技術研究会  ( 東京都新宿区 )   2017.7  ニューガラスフォーラム

Photo-induced absorption on Mg doped silica glasses International conference

Edson Haruhico Sekiya, Kazuya Saito

The 64th JSAP Spring Meeting  ( 横浜 )   2017.3 

Yb添加シリカガラスにおけるAl共添加効果 International conference

岡崎朋也*, エジソン　晴彦　関谷, 齋藤　和也

第64回応用物理学会春季学術講演会  ( 神奈川県横浜市 )   2017.3 

高出力ファイバレーザー、衛星間光通信用ファイバアンプ（耐宇宙線）用のガラス開発 Invited International conference

齋藤　和也

第3回光材料・応用技術研究会  ( 神奈川県箱根師強羅 )   2016.11 

Investigation of NIR emission in Bi, Sb, Pb and Sn doped silica glasses aiming optical fiber amplifier and laser International conference

Kazuya Saito, Edson Haruhico Sekiya

ACO2015  ( Hong Kong )   2015.11 

Investigation of Optical Properties in Sn, Sb, Pb and Bi Doped Silica Glasses Aiming Visible Fiber Laser International conference

Kazuya Saito, Edson Haruhico Sekiya

ICG Annual Meeting Bangkok2015  ( Bangkok )   2015.9 

7コアフォトニック結晶ファイバーレーザーの位相同期特性 International conference

黒須　雄太 電気通信大学*, 久保内　照雄 電気通信大学*, 佐藤　慶吾 電気通信大学*, 白川　晃 電気通信大学*, 小森　翼 フロンティア材料*, Kazuya Saito

第15回レーザー学会東京支部研究会  ( 東海大学高輪キャンパス )   2015.3 

ファイバーレーザー用ガラス素材の研究 Invited International conference

齋藤　和也

ファイバーレーザー技術専門委員会　第8回委員会  ( 東京 )   2014.8  レーザー学会

Eu添加シリカガラスの光学特性 International conference

久松知弘 豊工大*, エジソン　晴彦　関谷, 齋藤　和也

第74回応用物理学会秋季講演会  ( 京都 )   2013.9  日本物理学会

Nd添加シリカガラスの光学特性 International conference

上水和平 豊工大*, エジソン　晴彦　関谷, 齋藤　和也

第74回応用物理学会秋季講演会  ( 京都 )   2013.9  日本物理学会

Sm添加シリカガラスの光学特性 International conference

木久山龍成 豊工大*, エジソン　晴彦　関谷, 齋藤　和也

第74回応用物理学会秋季講演会  ( 京都 )   2013.9  日本物理学会

Dy添加シリカガラスの光学特性 International conference

後村圭亮 豊工大*, エジソン　晴彦　関谷, 齋藤　和也

第74回応用物理学会秋季講演会  ( 京都 )   2013.9  日本物理学会

Photobleaching in Yb-doped silica glass International conference

Kazuya Saito, D.Minami TTI*, Edson Haruhico Sekiya

The ２３rd International Congress on Glass  ( Prague )   2013.7  ICG

Al-codoping effects on optical properties of Pr-doped silica glass International conference

H.Yamazaki TTI*, Edson Haruhico Sekiya, Kazuya Saito

The 23rd International Congress on Glass  ( Prague )   2013.7  ICG

Crosstalk and Fiber Fuse on Hole Walling Multi Core Fiber International conference

Edson Haruhico Sekiya, Kazuya Saito

The 23rd International Congress on Glass  ( Prague )   2013.7  ICG

Photobleaching in Yb-doped silica glass International conference

D.Minami TTI*, Edson Haruhico Sekiya, Kazuya Saito

The 23rd Internatilnal Congress on Glass  ( Prague )   2013.7  ICG

マルチコア光ファイバにおける空孔構造の応用 International conference

姚兵 日立電線*, 大薗和正 日立電線*, 小倉明 日立電線*, エジソン　晴彦　関谷, Kazuya Saito

電子情報通信学会EXAT研究会  ( 東京芝機械振興会館 )   2013.2  電子情報通信学会

空孔遮蔽型コア拡大マルチコアファイバの開発 International conference

大薗和正 日立電線*, 姚兵 日立電線*, 小倉明 日立電線*, エジソン　晴彦　関谷, Kazuya Saito

光ファイバ応用技術研究所（OFT）  ( 熊本市民会館 )   2012.11  光ファイバ応用技術研究会（OFT）

Large Effective Area Hole-Walled Multi-Core Fibers International conference

姚兵 日立電線*, 大薗和正 日立電線*, 小倉明 日立電線*, エジソン　晴彦　関谷, Kazuya Saito

61’IWCS  ( 米国　プロビデンス )   2012.11  61’IWCS

マルチコアファイバ用インターフェイス技術に関する検討 International conference

渡邉智紀 日立電線*, 小倉明 日立電線*, 姚兵 日立電線*, 大薗和正 日立電線*, エジソン　晴彦　関谷, Kazuya Saito

電子情報通信学会ソサイエティ大会  ( 富山大学 )   2012.9  電子情報通信学会

Fiber Fuse in Multi Core Fibers International conference

エジソン　晴彦　関谷, Kazuya Saito, 姚兵 日立電線*, 大薗和正 日立電線*, 小倉明 日立電線*

光ファイバ応用技術研究会（OFT）  ( サン・リフレ函館 )   2012.8  光ファイバ応用技術研究会（OFT）

マルチコアファイバ用インターフェイスに関する検討 International conference

小倉明 日立電線*, 姚兵 日立電線*, 大薗和正 日立電線*, 渡邉智紀 日立電線*, エジソン　晴彦　関谷, Kazuya Saito

光ファイバ応用技術研究会（OFT）  ( サン・リフレ函館 )   2012.8  光ファイバ応用技術研究会（OFT）

シリカガラスのガラス形成過程における構造および物性制御 Invited International conference

齋藤　和也

ニューガラスフォーラム　第102回若手懇談会  ( 東京 )   2011 

Mechanisms of photodarkening and methods to investigate the structural changes Invited International conference

Kazuya Saito

International Laser Symposium Fiber and Disc  ( Dresden )   2010 

Hole trap center induced by x-ray irradiation on Yb doped silica glass Invited International conference

Edson Haruhico Sekiya, M. Amano*, Kazuya Saito

International Congress on Glass  ( Bahia )   2010