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Optics Express

Optics Express

  • Editor: Martijn de Sterke
  • Vol. 16, Iss. 20 — Sep. 29, 2008
  • pp: 15425–15430

In-fiber microchannel device filled with a carbon nanotube dispersion for passive mode-lock lasing

Amos Martinez, Kaiming Zhou, Ian Bennion, and Shinji Yamashita  »View Author Affiliations

Optics Express, Vol. 16, Issue 20, pp. 15425-15430 (2008)

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Fueled by their high third-order nonlinearity and nonlinear saturable absorption, carbon nanotubes (CNT) are expected to become an integral part of next-generation photonic devices such as all-optical switches and passive mode-locked lasers. However, in order to fulfill this expectation it is necessary to identify a suitable platform that allows the efficient use of the optical properties of CNT. In this paper, we propose and implement a novel device consisting of an optofluidic device filled with a dispersion of CNT. By fabricating a microchannel through the core of a conventional fiber and filling it with a homogeneous solution of CNTs on Dimethylformamide (DMF), a compact, all-fiber saturable absorber is realized. The fabrication of the micro-fluidic channel is a two-step process that involves femtosecond laser micro-fabrication and chemical etching of the laser-modified regions. All-fiber high-energy, passive mode-locked lasing is demonstrated with an output power of 13.5 dBm. The key characteristics of the device are compactness and robustness against optical, mechanical and thermal damage.

© 2008 Optical Society of America

OCIS Codes
(140.4050) Lasers and laser optics : Mode-locked lasers
(190.4400) Nonlinear optics : Nonlinear optics, materials

ToC Category:
Lasers and Laser Optics

Original Manuscript: August 13, 2008
Revised Manuscript: September 10, 2008
Manuscript Accepted: September 10, 2008
Published: September 15, 2008

Amos Martinez, Kaiming Zhou, Ian Bennion, and Shinji Yamashita, "In-fiber microchannel device filled with a carbon nanotube dispersion for passive mode-lock lasing," Opt. Express 16, 15425-15430 (2008)

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