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Hideki Fujiwara
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Journal Articles

Development of magnetic responsive random lasers fabricated by a laser-induced surface roughness

Hideki Fujiwara, Shohei Kawaguchi, Daiki Yonekawa, Hideo Kaiju
Journal: Applied Physics Letters
Appl. Phys. Lett. 119, 041105 (2021)
https://doi.org/10.1063/5.0058284
Published: July 2021
View article titled, Development of magnetic responsive random lasers fabricated by a laser-induced surface roughness
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Journal Articles

Amplified spontaneous emission from a surface-modified GaN film fabricated under pulsed intense UV laser irradiation

Hideki Fujiwara, Keiji Sasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 113, 171606 (2018)
https://doi.org/10.1063/1.5040551
Published: October 2018
View article titled, Amplified spontaneous emission from a surface-modified GaN film fabricated under pulsed intense UV laser irradiation
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Journal Articles

Magnetic response of random lasing modes in a ZnO nanoparticle film deposited on a NiFe thin film

Hideki Fujiwara, Hideo Kaiju, Junji Nishii, Keiji Sasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 113, 131108 (2018)
https://doi.org/10.1063/1.5040720
Published: September 2018
View article titled, Magnetic response of random lasing modes in a ZnO nanoparticle film deposited on a NiFe thin film
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Journal Articles

Double threshold behavior in a resonance-controlled ZnO random laser

Ryo Niyuki, Hideki Fujiwara, Toshihiro Nakamura, Yoshie Ishikawa, Naoto Koshizaki, Takeshi Tsuji, Keiji Sasaki
Journal: APL Photonics
APL Photonics 2, 036101 (2017)
https://doi.org/10.1063/1.4974334
Published: January 2017
View article titled, Double threshold behavior in a resonance-controlled ZnO random laser
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Journal Articles

Ultraviolet random lasing from a diamond nanoparticle film

Ryo Niyuki, Hideaki Takashima, Hideki Fujiwara, Keiji Sasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 105, 011112 (2014)
https://doi.org/10.1063/1.4889080
Published: July 2014
View article titled, Ultraviolet random lasing from a diamond nanoparticle film
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Journal Articles

Low-threshold and quasi-single-mode random laser within a submicrometer-sized ZnO spherical particle film

Hideki Fujiwara, Ryo Niyuki, Yoshie Ishikawa, Naoto Koshizaki, Takeshi Tsuji, Keiji Sasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 102, 061110 (2013)
https://doi.org/10.1063/1.4792349
Published: February 2013
View article titled, Low-threshold and quasi-single-mode random laser within a submicrometer-sized ZnO spherical particle film
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Journal Articles

Nonlinear optical phase shift obtained from two-level atoms confined in a planar microcavity

Hisaki Oka, Hideki Fujiwara, Shigeki Takeuchi, Keiji Sasaki
Journal: Journal of Applied Physics
J. Appl. Phys. 107, 054310 (2010)
https://doi.org/10.1063/1.3327411
Published: March 2010
View article titled, Nonlinear optical phase shift obtained from two-level atoms confined in a planar microcavity
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Journal Articles

Control of spontaneous emission coupling factor β in fiber-coupled microsphere resonators

Hideaki Takashima, Hideki Fujiwara, Shigeki Takeuchi, Keiji Sasaki, Masahide Takahashi
Journal: Applied Physics Letters
Appl. Phys. Lett. 92, 071115 (2008)
https://doi.org/10.1063/1.2884329
Published: February 2008
View article titled, Control of spontaneous emission coupling factor β in fiber-coupled microsphere resonators
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Journal Articles

Fiber-microsphere laser with a submicrometer sol-gel silica glass layer codoped with erbium, aluminum, and phosphorus

Hideaki Takashima, Hideki Fujiwara, Shigeki Takeuchi, Keiji Sasaki, Masahide Takahashi
Journal: Applied Physics Letters
Appl. Phys. Lett. 90, 101103 (2007)
https://doi.org/10.1063/1.2711384
Published: March 2007
View article titled, Fiber-microsphere laser with a submicrometer sol-gel silica glass layer codoped with erbium, aluminum, and phosphorus
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Journal Articles

Polarization-discriminated spectra of a fiber-microsphere system

Hidenori Konishi, Hideki Fujiwara, Shigeki Takeuchi, Keiji Sasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 89, 121107 (2006)
https://doi.org/10.1063/1.2355473
Published: September 2006
View article titled, Polarization-discriminated spectra of a fiber-microsphere system
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Journal Articles

A New Ferromagnetic Organic Semiconductor (BEDT‐TTFVS)⋅FeBr4

Satoru Noguchi, Tomoyuki Kosaka, Mingxing Wang, Hideki Fujiwara, Toyonari Sugimoto, Takekazu Ishida
Journal: AIP Conference Proceedings
AIP Conf. Proc. 850, 1063–1064 (2006)
https://doi.org/10.1063/1.2355070
Published: September 2006
View article titled, A New Ferromagnetic Organic Semiconductor (BEDT‐TTFVS)⋅FeBr<sub>4</sub>
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Journal Articles

Observation of optical bistability in a ZnO powder random medium

Hideki Fujiwara, Keiji Sasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 89, 071115 (2006)
https://doi.org/10.1063/1.2338533
Published: August 2006
View article titled, Observation of optical bistability in a ZnO powder random medium
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Journal Articles

Fano resonance in a multimode tapered fiber coupled with a microspherical cavity

Akito Chiba, Hideki Fujiwara, Jun-ichi Hotta, Shigeki Takeuchi, Keiji Sasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 86, 261106 (2005)
https://doi.org/10.1063/1.1951049
Published: June 2005
View article titled, Fano resonance in a multimode tapered fiber coupled with a microspherical cavity
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Journal Articles

Observation of the discrete transition of optically trapped particle position in the vicinity of an interface

Hideki Fujiwara, Hidehisa Takasaki, Jun-ichi Hotta, Keiji Sasaki
Journal: Applied Physics Letters
Appl. Phys. Lett. 84, 13–15 (2004)
https://doi.org/10.1063/1.1637947
Published: January 2004
View article titled, Observation of the discrete transition of optically trapped particle position in the vicinity of an interface
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Journal Articles

Photothermal fixation of laser-trapped polymer microparticles on polymer substrates

Jaihyung Won, Takanori Inaba, Hiroshi Masuhara, Hideki Fujiwara, Keiji Sasaki, Shigeru Miyawaki, Setsuya Sato
Journal: Applied Physics Letters
Appl. Phys. Lett. 75, 1506–1508 (1999)
https://doi.org/10.1063/1.124737
Published: September 1999
View article titled, Photothermal fixation of laser-trapped polymer microparticles on polymer substrates
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Journal Articles

Upconversion lasing of a thulium-ion-doped fluorozirconate glass microsphere

Hideki Fujiwara, Keiji Sasaki
Journal: Journal of Applied Physics
J. Appl. Phys. 86, 2385–2388 (1999)
https://doi.org/10.1063/1.371064
Published: September 1999
View article titled, Upconversion lasing of a thulium-ion-doped fluorozirconate glass microsphere
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Journal Articles

Pyrene fluorescence dynamics within a polymer microspherical cavity

Hideki Fujiwara, Keiji Sasaki, Hiroshi Masuhara
Journal: Journal of Applied Physics
J. Appl. Phys. 85, 2052–2056 (1999)
https://doi.org/10.1063/1.369501
Published: February 1999
View article titled, Pyrene fluorescence dynamics within a polymer microspherical cavity
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Journal Articles

Optical manipulation of a lasing microparticle and its application to near-field microspectroscopy

Keiji Sasaki, Hideki Fujiwara, Hiroshi Masuhara
Journal: Journal of Vacuum Science & Technology B
J. Vac. Sci. Technol. B 15, 2786–2790 (1997)
https://doi.org/10.1116/1.589728
Published: November 1997
View article titled, Optical manipulation of a lasing microparticle and its application to near-field microspectroscopy
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Journal Articles

Photon tunneling from an optically manipulated microsphere to a surface by lasing spectral analysis

Keiji Sasaki, Hideki Fujiwara, Hiroshi Masuhara
Journal: Applied Physics Letters
Appl. Phys. Lett. 70, 2647–2649 (1997)
https://doi.org/10.1063/1.118984
Published: May 1997
View article titled, Photon tunneling from an optically manipulated microsphere to a surface by lasing spectral analysis
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