Dr. Hiroyasu Fujiwara Profile

Dr. Hiroyasu Fujiwara

at Hamamatsu Photonics KK

SPIE Involvement:

Author

Publications (2)

Proceedings Article | 18 November 2019 Paper

Room-temperature monolithic quantum-cascade laser sources operating from 1.1 to 1.5 THz

Kazuue Fujita, Shohei Hayashi, Masahiro Hitaka, Akio Ito, Tatsuo Dougakiuchi, Wei Dong, Hiroyasu Fujiwara

Proceedings Volume 11196, 111960P (2019) https://doi.org/10.1117/12.2536271

KEYWORDS: Terahertz radiation, Quantum cascade lasers, Difference frequency generation, Semiconductors, Light sources, Phase matching, Imaging spectroscopy, Spectroscopes, Light emitting diodes, Nonlinear optics

Read Abstract +

Proceedings Article | 20 January 2005 Paper

Study on propagation characteristics of a high-powered multi-quantum-well (MQW) LD beam

You Wang, Xiang Wu, Hiroyasu Fujiwara, Takehito Nagakura, Zukang Lu, Hirofumi Kan

Proceedings Volume 5628, (2005) https://doi.org/10.1117/12.572080

KEYWORDS: Beam propagation method, Wave propagation, Waveguides, Cladding, Waveguide modes, Optical testing, Planar waveguides, Microscopes, Optical components, Beam analyzers

Read Abstract +

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years