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

Martínez, Amós, Zhou, Kaiming, Bennion, Ian and Yamashita, Shinji (2008). In-fiber microchannel device filled with a carbon nanotube dispersion for passive mode-lock lasing. Optics Express, 16 (20), pp. 15425-15430.

Abstract

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.

Publication DOI: https://doi.org/10.1364/OE.16.015425
Divisions: Engineering & Applied Sciences
Engineering & Applied Sciences > Electrical, Electronic & Power Engineering
Additional Information: © 2008 Optical Society of America
Uncontrolled Keywords: Atomic and Molecular Physics, and Optics
Full Text Link: http://www.opti ... =oe-16-20-15425
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
Published Date: 2008-09-29
Authors: Martínez, Amós
Zhou, Kaiming ( 0000-0002-6011-1912)
Bennion, Ian
Yamashita, Shinji

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