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Kazuyuki Hirao
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Journal Articles

Direct micro-carbonization inside polymer using focused femtosecond laser pulses

Naoto Morita, Yasuhiko Shimotsuma, Masayuki Nishi, Masaaki Sakakura, Kiyotaka Miura, Kazuyuki Hirao
Journal: Applied Physics Letters
Appl. Phys. Lett. 105, 201104 (2014)
https://doi.org/10.1063/1.4902235
Published: November 2014
View articletitled, Direct micro-carbonization inside polymer using focused femtosecond laser pulses
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Journal Articles

Luminescence of black silicon fabricated by high-repetition rate femtosecond laser pulses

Tao Chen (陈 涛), Jinhai Si (司 金海), Xun Hou (侯 洵), Shingo Kanehira (兼平 真悟), Kiyotaka Miura (三浦 清贵), Kazuyuki Hirao (平尾 一之)
Journal: Journal of Applied Physics
J. Appl. Phys. 110, 073106 (2011)
https://doi.org/10.1063/1.3641976
Published: October 2011
View articletitled, Luminescence of black silicon fabricated by high-repetition rate femtosecond laser pulses
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Journal Articles

Thermal and shock induced modification inside a silica glass by focused femtosecond laser pulse

Masaaki Sakakura, Masahide Terazima, Yasuhiko Shimotsuma, Kiyotaka Miura, Kazuyuki Hirao
Journal: Journal of Applied Physics
J. Appl. Phys. 109, 023503 (2011)
https://doi.org/10.1063/1.3533431
Published: January 2011
View articletitled, Thermal and shock induced modification inside a silica glass by focused femtosecond laser pulse
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Journal Articles

Morphology change from nanocrack into periodic pore array formed by femtosecond laser pulses

Chiwon Moon, Shingo Kanehira, Kiyotaka Miura, Eita Tochigi, Naoya Shibata, Yuichi Ikuhara, Kazuyuki Hirao
Journal: Journal of Applied Physics
J. Appl. Phys. 109, 013517 (2011)
https://doi.org/10.1063/1.3527899
Published: January 2011
View articletitled, Morphology change from nanocrack into periodic pore array formed by femtosecond laser pulses
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Journal Articles

Mechanism of heat-modification inside a glass after irradiation with high-repetition rate femtosecond laser pulses

Masahiro Shimizu, Masaaki Sakakura, Masatoshi Ohnishi, Yasuhiko Shimotsuma, Takayuki Nakaya, Kiyotaka Miura, Kazuyuki Hirao
Journal: Journal of Applied Physics
J. Appl. Phys. 108, 073533 (2010)
https://doi.org/10.1063/1.3483238
Published: October 2010
View articletitled, Mechanism of heat-modification inside a glass after irradiation with high-repetition rate femtosecond laser pulses
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Journal Articles

Random lasing from localized modes in strongly scattering systems consisting of macroporous titania monoliths infiltrated with dye solution

Shunsuke Murai, Koji Fujita, Junko Konishi, Kazuyuki Hirao, Katsuhisa Tanaka
Journal: Applied Physics Letters
Appl. Phys. Lett. 97, 031118 (2010)
https://doi.org/10.1063/1.3464962
Published: July 2010
View articletitled, Random lasing from localized modes in strongly scattering systems consisting of macroporous titania monoliths infiltrated with dye solution
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Journal Articles

Temperature distribution and modification mechanism inside glass with heat accumulation during 250 kHz irradiation of femtosecond laser pulses

Masaaki Sakakura, Masahiro Shimizu, Yasuhiko Shimotsuma, Kiyotaka Miura, Kazuyuki Hirao
Journal: Applied Physics Letters
Appl. Phys. Lett. 93, 231112 (2008)
https://doi.org/10.1063/1.3046101
Published: December 2008
View articletitled, Temperature distribution and modification mechanism inside glass with heat accumulation during 250 kHz irradiation of femtosecond laser pulses
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Journal Articles

Ultrashort-pulse laser calligraphy

Weijia Yang, Peter G. Kazansky, Yasuhiko Shimotsuma, Masaaki Sakakura, Kiyotaka Miura, Kazuyuki Hirao
Journal: Applied Physics Letters
Appl. Phys. Lett. 93, 171109 (2008)
https://doi.org/10.1063/1.3010375
Published: October 2008
View articletitled, Ultrashort-pulse laser calligraphy
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Journal Articles

Scattering-based hole burning through volume speckles in a random medium with tunable diffusion constant

Shunsuke Murai, Koji Fujita, Takayuki Hirao, Kazuki Nakanishi, Kazuyuki Hirao, Katsuhisa Tanaka
Journal: Applied Physics Letters
Appl. Phys. Lett. 93, 151912 (2008)
https://doi.org/10.1063/1.2955830
Published: October 2008
View articletitled, Scattering-based hole burning through volume speckles in a random medium with tunable diffusion constant
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Journal Articles

Photoinduced microchannels inside silicon by femtosecond pulses

Tao Chen, Jinhai Si, Xun Hou, Shingo Kanehira, Kiyotaka Miura, Kazuyuki Hirao
Journal: Applied Physics Letters
Appl. Phys. Lett. 93, 051112 (2008)
https://doi.org/10.1063/1.2969401
Published: August 2008
View articletitled, Photoinduced microchannels inside silicon by femtosecond pulses
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Journal Articles

Ion exchange in glass using femtosecond laser irradiation

Shingo Kanehira, Kiyotaka Miura, Kazuyuki Hirao
Journal: Applied Physics Letters
Appl. Phys. Lett. 93, 023112 (2008)
https://doi.org/10.1063/1.2959820
Published: July 2008
View articletitled, Ion exchange in glass using femtosecond laser irradiation
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Journal Articles

Phase-matched second-harmonic generation in cross-linking polyurethane films by thermal-assisted optical poling

Jinhai Si, Kazuyuki Hirao
Journal: Applied Physics Letters
Appl. Phys. Lett. 91, 091105 (2007)
https://doi.org/10.1063/1.2776876
Published: August 2007
View articletitled, Phase-matched second-harmonic generation in cross-linking polyurethane films by thermal-assisted optical poling
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Journal Articles

Optically produced cross patterning based on local dislocations inside MgO single crystals

Shingo Kanehira, Kiyotaka Miura, Koji Fujita, Kazuyuki Hirao, Jinhai Si, Naoya Shibata, Yuichi Ikuhara
Journal: Applied Physics Letters
Appl. Phys. Lett. 90, 163110 (2007)
https://doi.org/10.1063/1.2722669
Published: April 2007
View articletitled, Optically produced cross patterning based on local dislocations inside MgO single crystals
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Journal Articles

“Quill” writing with ultrashort light pulses in transparent materials

Peter G. Kazansky, Weijia Yang, Erica Bricchi, James Bovatsek, Alan Arai, Yasuhiko Shimotsuma, Kiyotaka Miura, Kazuyuki Hirao
Journal: Applied Physics Letters
Appl. Phys. Lett. 90, 151120 (2007)
https://doi.org/10.1063/1.2722240
Published: April 2007
View articletitled, “Quill” writing with ultrashort light pulses in transparent materials
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Journal Articles

Room-temperature ferrimagnetic semiconductor 0.6 Fe Ti O 3 ∙ 0.4 Fe 2 O 3 solid solution thin films

Hajime Hojo, Koji Fujita, Katsuhisa Tanaka, Kazuyuki Hirao
Journal: Applied Physics Letters
Appl. Phys. Lett. 89, 142503 (2006)
https://doi.org/10.1063/1.2357547
Published: October 2006
View articletitled, Room-temperature ferrimagnetic semiconductor 0.6 Fe Ti O 3 ∙ 0.4 Fe 2 O 3 solid solution thin films
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Journal Articles

Epitaxial growth of room-temperature ferrimagnetic semiconductor thin films based on the ilmenite-hematite solid solution

Hajime Hojo, Koji Fujita, Katsuhisa Tanaka, Kazuyuki Hirao
Journal: Applied Physics Letters
Appl. Phys. Lett. 89, 082509 (2006)
https://doi.org/10.1063/1.2337276
Published: August 2006
View articletitled, Epitaxial growth of room-temperature ferrimagnetic semiconductor thin films based on the ilmenite-hematite solid solution
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Journal Articles

Large Faraday effect in a short wavelength range for disordered zinc ferrite thin films

Katsuhisa Tanaka, Seisuke Nakashima, Koji Fujita, Kazuyuki Hirao
Journal: Journal of Applied Physics
J. Appl. Phys. 99, 106103 (2006)
https://doi.org/10.1063/1.2199727
Published: May 2006
View articletitled, Large Faraday effect in a short wavelength range for disordered zinc ferrite thin films
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Journal Articles

Strong light scattering in macroporous Ti O 2 monoliths induced by phase separation

Koji Fujita, Junko Konishi, Kazuki Nakanishi, Kazuyuki Hirao
Journal: Applied Physics Letters
Appl. Phys. Lett. 85, 5595–5597 (2004)
https://doi.org/10.1063/1.1823596
Published: December 2004
View articletitled, Strong light scattering in macroporous Ti O 2 monoliths induced by phase separation
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Journal Articles

Phase-matched second-harmonic generation in bulk azodye-doped polymers by all-optical poling

Jinhai Si, Jianrong Qiu, Jianfeng Zhai, Yuquan Shen, Zhichong Meng, Kazuyuki Hirao
Journal: Journal of Applied Physics
J. Appl. Phys. 95, 3837–3839 (2004)
https://doi.org/10.1063/1.1667271
Published: April 2004
View articletitled, Phase-matched second-harmonic generation in bulk azodye-doped polymers by all-optical poling
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Journal Articles

Holographic volume gratings in bulk perylene-orange-doped hybrid inorganic-organic materials by the coherent field of a femtosecond laser

Guodong Qian, Jiayu Guo, Minquan Wang, Jinhai Si, Jianrong Qiu, Kazuyuki Hirao
Journal: Applied Physics Letters
Appl. Phys. Lett. 83, 2327–2329 (2003)
https://doi.org/10.1063/1.1613793
Published: September 2003
View articletitled, Holographic volume gratings in bulk perylene-orange-doped hybrid inorganic-organic materials by the coherent field of a femtosecond laser
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