Dr. Tsutomu Yanagawa Profile

Dr. Tsutomu Yanagawa

Senior Research Engineer at NTT Photonics Labs

SPIE Involvement:

Author

Publications (2)

Proceedings Article | 14 February 2007 Paper

Compact sub-mW mid-infrared DFG laser source using direct-bonded QPM-LN ridge waveguide and laser diodes

Osamu Tadanaga, Yoshiki Nishida, Tsutomu Yanagawa, Katsuaki Magari, Takeshi Umeki, Masaki Asobe, Hiroyuki Suzuki

Proceedings Volume 6455, 64550D (2007) https://doi.org/10.1117/12.699753

KEYWORDS: Mid-IR, Laser sources, Waveguides, Absorption, Laser development, Semiconductor lasers, Modulation, Semiconducting wafers, Continuous wave operation, Fiber Bragg gratings

Read Abstract +

Proceedings Article | 10 February 2006 Paper

Efficient broadband difference frequency generation in a direct-bonded periodically-poled LiNbO₃ waveguide and the observation of CO isotopomer absorption from 2.3 to 2.45 μm

Tsutomu Yanagawa, Osamu Tadanaga, Yoshiki Nishida, Hiroshi Miyazawa, Katsuaki Magari, Masaki Asobe, Hiroyuki Suzuki

Proceedings Volume 6103, 61030O (2006) https://doi.org/10.1117/12.643638

KEYWORDS: Carbon monoxide, Absorption, Waveguides, Difference frequency generation, Light sources, Signal detection, Fabrication, Refractive index, Sensors, Signal processing

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