Dr. Tsutaru Kumagai Profile

Dr. Tsutaru Kumagai

at Keio Univ

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Publications (2)

Proceedings Article | 16 February 2018 Presentation + Paper

Saturable absorption by carbon nanotubes on silica microtoroids for stable mode locking

Tsutaru Kumagai, Naoya Hirota, Katsuya Sato, Koki Namiki, Atsuhiro Hori, Hideyuki Maki, Takasumi Tanabe

Proceedings Volume 10518, 105180H (2018) https://doi.org/10.1117/12.2291874

KEYWORDS: Saturable absorption, Mode locking, Chemical vapor deposition, Optical microcavities, Carbon nanotubes

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Proceedings Article | 20 February 2017 Presentation + Paper

New spherical optical cavities with non-degenerated whispering gallery modes

Tsutaru Kumagai, Giuseppe Palma, Francesco Prudenzano, Tetsuo Kishi, Tetsuji Yano

Proceedings Volume 10090, 100901F (2017) https://doi.org/10.1117/12.2251599

KEYWORDS: Spherical lenses, Optical spheres, Glasses, Windows, Refractive index, Luminescence, Neodymium, Transient nonlinear optics, Optical microcavities

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