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

Amós Martínez, Kaiming Zhou, Ian Bennion, Shinji Yamashita

Research output: Contribution to journalArticle

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.
Original languageEnglish
Pages (from-to)15425-15430
Number of pages6
JournalOptics Express
Volume16
Issue number20
DOIs
Publication statusPublished - 29 Sep 2008

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microchannels
lasing
carbon nanotubes
fibers
lasers
fabrication
fluidics
void ratio
absorbers
switches
platforms
nonlinearity
etching
photonics
damage
optical properties
output
energy

Bibliographical note

© 2008 Optical Society of America

Cite this

Martínez, Amós ; Zhou, Kaiming ; Bennion, Ian ; Yamashita, Shinji. / In-fiber microchannel device filled with a carbon nanotube dispersion for passive mode-lock lasing. In: Optics Express. 2008 ; Vol. 16, No. 20. pp. 15425-15430.
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In-fiber microchannel device filled with a carbon nanotube dispersion for passive mode-lock lasing. / Martínez, Amós; Zhou, Kaiming; Bennion, Ian; Yamashita, Shinji.

In: Optics Express, Vol. 16, No. 20, 29.09.2008, p. 15425-15430.

Research output: Contribution to journalArticle

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