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

研究成果: Conference contribution

抄録

The combination of a high-Q optical microcavity and a saturable absorber is expected to enable mode locking between different transverse modes in a microcavity. This work studies saturable absorption in carbon nanotubes (CNTs) on microtoroids. The CNTs are selectively grown on silica microtoroids by chemical vapor deposition after the cobalt catalysis is selectively deposited on the surface. A Raman spectrum measurement showed that the grown CNTs are about 1.0 nm in diameter, and that the device is applicable for use in the 1550 nm band. The saturable absorption by CNTs is investigated with a counter-propagating pump-probe experiment.

本文言語English
ホスト出版物のタイトルLaser Resonators, Microresonators, and Beam Control XX
編集者Alexis V. Kudryashov, Vladimir S. Ilchenko, Alan H. Paxton
出版社SPIE
ISBN(電子版)9781510615212
DOI
出版ステータスPublished - 2018
イベント20th Conference on Laser Resonators, Microresonators and Beam Control - San Francisco, United States
継続期間: 2018 1 292018 2 1

出版物シリーズ

名前Proceedings of SPIE - The International Society for Optical Engineering
10518
ISSN(印刷版)0277-786X
ISSN(電子版)1996-756X

Other

Other20th Conference on Laser Resonators, Microresonators and Beam Control
CountryUnited States
CitySan Francisco
Period18/1/2918/2/1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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