Saito Kazuya

サイトウカズヤ | Saito Kazuya

Affiliation and department：

Research field (3)： Inorganic materials , Optical engineering and photonics , Semiconductors, optical and atomic physics

Research keywords (6)：応用光学・量子光工学 , 固体物性 , 無機材料・物性 , Applied Optics and Quantum Optics , Solid Stati Physics , Inorganic Materials and Properties

Research theme for competitive and other funds (15)：

2021 - 2024 Elucidation of the mechanism of photodarkening that hinders high output of visible silica fiber lasers
2018 - 2021 Generation of high power out-of-phase mode exceeding self-focusing limit by newly-designed multicore fiber
2013 - 2016 High energy fiber pulse sources by photonic bandgap fibers and multicore fibers
2010 - 2012 Relationship between the structural disorder and optical properties in rare-earth doped silica glasses
2007 - 2009 Study on glass structure and laser damage to develop 10kW fiber laser

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Papers (43)：

T. Okazaki, K. Kawai, C. Otsuka, E. H. Sekiya, Y. Kanbayashi, M. Mizusaki, K. Saito. Difference between X-ray-induced and 451 nm LD-induced photodarkening in DyAlGe-doped silica glasses. Japanese Journal of Applied Physics. 2023. 62. 4. 042003-042003
Tomoya Okazaki, Yuma Fujigaki, Edson Haruhico Sekiya, Kota Kawai, Masato Mizusaki, Yuta Kanbayashi, Kazuya Saito. Effects of P co-doping on X-ray/450 nm LD induced photodarkening in Dy3+ doped silica glass and fiber laser. JAPANESE JOURNAL OF APPLIED PHYSICS. 2022. 61. 6
Tomoya Okazaki, Kota Kawai, Chiaki Otsuka, Takehiro Mori, Yota Saeki, Edson Haruhico Sekiya, Kazuya Saito. Ge-codoping effect on X-ray-induced photodarkening in Al-doped and Dy-Al-doped silica glass. Japanese Journal of Applied Physics. 2022. 61. 3. 032002-032002
Tomoya Okazaki, Chiaki Otsuka, Edson H. Sekiya, Kota Kawai, Masato Mizusaki, Yuta Kanbayashi, Kazuya Saito. Diode pumped visible Dy³⁺-doped silica fiber laser: Ge-co-doping effects on lasing efficiency and photodarkening. Applied Physics Express. 2021. 15. 1. 012002-012002
Tomonari Kawamura, Akira Shirakawa, Kazuya Saito. Phase-locked and mode-locked multicore photonic crystal fiber laser with a saturable absorber. Optics Express. 2021. 29. 11. 17023-17023

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MISC (18)：

Mori Takehiro, Sekiya Edson Haruhico, Saito Kazuya. Effects of Ge-doping on suppressing photodarkening in silica glasses. JSAP Annual Meetings Extended Abstracts. 2020. 2020.1. 3233-3233
Arindam Halder, Edson H. Sekiya, Kazuya Saito. Fabrication and optical analysis of bismuth doped germanosilicate preforms to develop ~830nm fiber laser. Advanced Photonics 2018 (BGPP, IPR, NP, NOMA, Sensors, Networks, SPPCom, SOF). 2018
齋藤和也. いまさら聞けないガラス講座ガラス中の光散乱 : 光散乱の起因-Light Scattering in glasses : Origin of the Rayleigh scattering. New glass. 2017. 32. 3. 30-34
Edson Haruhico Sekiya, Kazuya Saito. Investigation of Optical Properties in Sn, Sb, Pb and Bi Doped Silica Glasses Aiming Visible Fiber Laser. Key Engineering Materials. 2016. 702. 91-95
FUTAMURA KENTA, SAITO KAZUYA, SEKIYA EDSON. Optical characteristics of Gold-Doped Silica glass. JSAP Annual Meetings Extended Abstracts. 2015. 2015.2. 571-571

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Patents (31)：

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Books (2)：

Works (4)：

超低損失シリカガラスおよびこれを用いた光ファイバ
耐紫外線・耐放射線シリカガラスおよびその製造方法・耐紫外線・耐放射線光学素子およびその製造方法
Ultralow - loss silica glass and optical fibers using the same
Silica glass, optical element and optical fiber appanatus resistant to ultraviolet rays and radio active rays, and manufacturing method therefor

Education (3)：

Professional career (1)：

Work history (11)：

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Committee career (1)：

Awards (2)：

Association Membership(s) (4)：

応用物理学会 , 応用科学学会 , 日本物理学会 , The Ceramic Society of Japan

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